Glueballs, Hybrids, Multiquarks. Experimental facts versus QCD inspired concepts

Abstract

The spectroscopy of light and heavy mesons is reviewed with emphasis on glueballs, hybrids, and tetraquarks.

266 pages, 117 figures, 39 tables. to be published in Physics Reports

References in corpus (554)

• The Cosmological Parameters 2006
• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• Final Report of the Muon E821 Anomalous Magnetic Moment Measurement at BNL
• Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
• Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays
• Heavy Quark Symmetry
• The BABAR Detector
• Instantons in QCD
• QCD and a Holographic Model of Hadrons
• Linear Confinement and AdS/QCD
• The Infrared Behavior of QCD Green's Functions - Confinement, Dynamical Symmetry Breaking, and Hadrons as Relativistic Bound States
• The glueball spectrum from an anisotropic lattice study
• Hard Scattering and Gauge/String Duality
• Higher Charmonia
• Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872)
• ππscattering
• Observation of a Broad Structure in the ${\pi }^{+}{\pi }^{-}J/\psi$ Mass Spectrum around 4.26 GeV/$c^2$
• Observation of a Narrow Meson Decaying to Ds+pi0 at a Mass of 2.32 GeV/c^2
• Mixing and Decay Constants of Pseudoscalar Mesons
• QCD forces and heavy quark bound states
• Observation of the Narrow State $X(3872)\to J/\psi {\pi }^{+}{\pi }^{-}$ in $\bar{p}p$ Collisions at $\sqrt{s}=1.96 \TeV$
• The New Heavy Mesons: A Status Report
• Meson-Meson interaction in a non-perturbative chiral approach
• Exotica
• Observation and Properties of the X(3872) Decaying to J/psi pi+ pi- in p-p(bar) Collisions at sqrt(s) = 1.96 TeV
• Isospin breaking of the narrow charmonium state of Belle at 3872 MeV as a deuson
• From the Deuteron to Deusons, an Analysis of Deuteronlike Meson-Meson Bound States
• Mass and width of the lowest resonance in QCD
• Observation of a Narrow Resonance of Mass 2.46 GeV/c^2 Decaying to D_s^*+ pi^0 and Confirmation of the D_sJ^* (2317) State
• Study of the B- --> J/psi K- pi+ pi- Decay and Measurement of the B- --> X(3872) K- Branching Fraction
• Light-Front Dynamics and AdS/QCD Correspondence: The Pion Form Factor in the Space- and Time-Like Regions
• Short Range Structure in the X(3872)
• Chiral Multiplets of Heavy-Light Mesons
• Evidence that the a0(980) and f0(980) are not elementary particles
• Hadronic Spectrum of a Holographic Dual of QCD
• Constituent quark model study of the meson spectra
• Scalar mesons above and below 1 GeV
• Implications of a DK Molecule at 2.32 GeV
• Non-perturbative Approach to effective chiral Lagrangians and Meson Interactions
• On heavy-light meson resonances and chiral symmetry
• Observation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays
• The D*0 D0bar threshold resonance
• Observed D_s(2317) and tentative D(2100-2300) as the charmed cousins of the light scalar nonet
• Chiral Dynamics and the $S_{11}(1535)$ Nucleon Resonance
• Excited Heavy-Light Systems and Hadronic Transitions
• Experimental evidence for a light and broad scalar resonance in $D^{+}\to {\pi }^{-}{\pi }^{+}{\pi }^{+}$ decay
• Is $f_0(1500)$ a Scalar Glueball?
• Instantons at work
• Observation of a near-threshold enhancement in th p pbar mass spectrum from radiative J/psi-->gamma p pbar decays
• UNDERSTANDING THE SCALAR MESON $q\bar{q}$ NONET
• The inverse amplitude method in Chiral Perturbation Theory
• Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/$c^2$ in the Reaction $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\psi (2S)$ Measured at BaBar
• On the nature of light scalar mesons from their large $N_c$ behavior
• Recent Developments in Chiral Perturbation Theory
• Charmonium Options for the X(3872)
• Charmonium levels near threshold and the narrow state $X(3872) \to π^{+}π^{-}\jpsi$
• Resonances in $J/\psi \to \varphi {\pi }^{+}{\pi }^{-}$ and $\varphi K^{+}{K}^{-}$
• Observation of Double cc bar Production in e+ e- Annihilation at sqrt{s} ~ 10.6 GeV
• Higher Quarkonia
• Systematics of q anti-q states in the (n,M^2) and (J,M^2) planes
• Observation of the DsJ(2317) and DsJ(2457) in B decays
• Study of B- => D**0 pi-(D**0 => D(*)+ pi-) decays
• Reanalysis of Hadronic Cross Section Measurements at CMD-2
• Meson-meson scattering within one loop Chiral Perturbation Theory and its unitarization
• Four Sorts of Mesons
• Can the X(3872) be a 1^{++} four-quark state?
• The X(3872) boson: Molecule or charmonium
• Charmonium Decays of $Y(4260), psi(4160), and psi(4040)
• Dalitz Plot Analysis of the Decay D^+ --> K^- pi^+ pi^+ and Indication of a Low-Mass Scalar K pi Resonance
• Observation of a new charmonium state in double charmonium production in e+ e- annihilation at \sqrt{s} ~ 10.6 GeV
• Putative Light Scalar Nonet
• Gluonic charmonium resonances at BaBar and Belle?
• High-statistics measurement of the pion form factor in the rho-meson energy range with the CMD-2 detector
• The Production and Decay of Hybrid Mesons by Flux-Tube Breaking
• Molecular States of Heavy Quark Mesons
• Masses, decays and mixings of gluonia in QCD
• Four Quark Interpretation of Y(4260)
• Analysis of the Quantum Numbers $J^{PC}$ of the X(3872) Particle
• Static potentials and glueball masses from QCD simulations with Wilson sea quarks
• Small x: Two Pomerons!
• EVIDENCE FOR A SCALAR GLUEBALL
• Measurement of $\sigma (e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\gamma )$ and extraction of $\sigma (e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-})$ below 1 {\rm GeV} with the KLOE detector
• Scalar Quarkonium Masses and Mixing with the Lightest Scalar Glueball
• Evidence for Exotic Meson Production in the Reaction ${\pi }^{-}p\to \eta {\pi }^{-}p$ at 18 GeV/c
• Update of the e^+e^-\toπ^+π^- cross section measured by SND detector in the energy region 400<\sqrt{s}<1000 MeV
• Light-Front Hadron Dynamics and AdS/CFT Correspondence
• Evidence for the Role of Instantons in Hadron Structure from Lattice QCD
• Strong and radiative decays of the Ds0*(2317) meson in the DK-molecule picture
• Confirmation of the Y(4260) Resonance Production in ISR
• Ab Initio Study of Hybrid b-bar-gb Mesons
• The Possible Interpretations of Y(4260)
• Light Meson Spectroscopy
• B Decays as Spectroscope for Charmed Four-quark States
• Diagnostic Decays of the X(3872)
• X(3872): Hadronic Molecules in Effective Field Theory
• Decay width of light quark hybrid meson from the lattice
• Hybrid and Conventional Mesons in the Flux Tube Model: Numerical Studies and their Phenomenological Implications
• Measurement of e+e- -> pi+pi- cross section with CMD-2 around rho-meson
• Coupled-channel model for charmonium levels and an option for X(3872)
• S-wave Kpi scattering in chiral perturbation theory with resonances
• Quenched Light Hadron Spectrum
• Observation of a resonance X(1835) in J/ψ--> γπ^+ π^- η^{\prime}
• Observation of a Near-threshold $D^0{\bar{D}}^0{\pi }^0$ Enhancement in $B\to D^0{\bar{D}}^0{\pi }^{0}K$ Decay
• Strong Decays of Strange Quarkonia
• Three dimensional image correlation from X-Ray computed tomography of solid foam
• On the narrow dip structure at 1.9 GeV/c${}^2$ in diffractive photoproduction
• Measurement of Double Charmonium Production in $e^{+}{e}^{-}$ Annihilations at $\sqrt{s}=10.6$ GeV
• Suppressed decay into open charm for the Y(4260) being an hybrid
• Measuring sigma(e^+e^- \to hadrons) using tagged photon
• QCD sum rules study of $QQ-\bar{u}\bar{d}$ mesons
• Proton-Antiproton Annihilation and Meson Spectroscopy with the Crystal Barrel
• Spectroscopy at B-factories Using Hard Photon Emission
• Exotic mesons in quenched lattice QCD
• The K^*_0(800) scalar resonance from Roy-Steiner representations of pi K scattering
• Open-charm meson resonances with negative strangeness
• Study of the Decay phi --> pi0 pi0 gamma with the KLOE Detector
• Observation of the eta_c(2S) in exclusive B-->K KsK-pi+ decays
• Gluon excitations of the static quark potential and the hybrid quarkonium spectrum
• Study of e+e- --> pi+ pi- pi0 process using initial state radiation with BABAR
• The e+ e- --> 3(pi+pi-), 2(pi+pi-pi0) and K+K- 2(pi+pi-) Cross Sections at Center-of-Mass Energies from Production Threshold to 4.5 GeV Measured with Initial-State Radiation
• Dalitz analysis of the three-body charmless decays B+=>K+Pi+Pi- and B+=>K+K+K-
• Hybrid Meson Decay Phenomenology
• Study of the $D_s^{+}\to {\pi }^{-}{\pi }^{+}{\pi }^{+}$ decay and measurement of $f_0$ masses and widths
• A Structure at 2175 MeV in $e^{+}{e}^{-}\to \varphi f_0(980)$ Observed via Initial-State Radiation
• Observation of a New D_s Meson Decaying to D K at a Mass of 2.86 GeV/c^2
• Study of double charmonium production in e^+ e^- annihilation at \sqrt{s} ~ 10.6 GeV
• Measurements of the $D_{sJ}$ resonance properties
• Scalar nonet quarkonia and the scalar glueball: mixing and decays in an effective chiral approach
• Determining the Gluonic Content of Isoscalar Mesons
• An Analysis of ππ-Scattering Phase Shift and Existence of σ(555) particle
• Measurement of the e+e- -> pi+pi- cross section with the CMD-2 detector in the 370-520 MeV c.m. energy range
• The $\epem\toπ^+π^-π^+π^-$, $K^{+}{K}^{-}{\pi }^{+}{\pi }^{-}$, and $K^{+}{K}^{-}{K}^{+}{K}^{-}$ Cross Sections at Center-of-Mass Energies 0.5--4.5 \gev Measured with Initial-State Radiation
• Toy model for two chiral nonets
• Production of $f_0(1710)$, $f_0(1500)$, and $f_0(1370)$ in $J/\psi$ hadronic decays
• Measurement of the Dipion Mass Spectrum in X(3872) -> J/Psi Pi+ Pi- Decays
• Near threshold enhancement of the ppbar mass spectrum in J/Psi decay
• Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma
• BABAR resonance as a new window of hadron physics
• Measurement of Masses and Widths of Excited Charm Mesons $D_2^{\ast }$ and Evidence for Broad States
• Reinterpreting several narrow `resonances' as threshold cusps
• The $e^{+}{e}^{-}\to K^{+}{K}^{-}{\pi }^{+}{\pi }^{-}$, $K^{+}{K}^{-}{\pi }^0{\pi }^0$ and $K^{+}{K}^{-}{K}^{+}{K}^{-}$ Cross Sections Measured with Initial-State Radiation
• Dalitz Analysis of the Decay $D^0\to K^{-}{\pi }^{+}{\pi }^0$
• The pion-pion scattering amplitude
• Restoration of chiral and $U(1{)}_A$ symmetries in excited hadrons
• Dalitz-plot analysis of the decays B+/- --> K+/- pi-/+ pi+/-
• Hadronic Structure in the Decay ${\tau }^{-}\to {\nu }_{\tau }{\pi }^{-}{\pi }^0{\pi }^0$ and the Sign of the Tau Neutrino Helicity
• Observation of exotic meson production in the reaction ${\pi }^{-}p\to {\eta }^{\prime }{\pi }^{-}p$ at 18 GeV/c
• Study of the $\varphi$ decays into ${\pi }^0{\pi }^0\gamma$ and $\eta {\pi }^0\gamma$ final states
• Scalar Glueball-qqbar Mixing above 1 GeV and implications for Lattice QCD
• High statistics measurement of Ke4 decay properties
• Light scalars as tetraquarks or two-meson states from large Nc and unitarized Chiral Perturbation Theory
• K-matrix analysis of the (IJ^{PC}=00^{++})-wave in the mass region below 1900 MeV
• Charmonium Spectrum from Quenched Anisotropic Lattice QCD
• $D_{sJ}(2860)$ and $D_{sJ}(2715)$
• Is X(3872) a possible candidate of hybrid meson
• Abundant phi-Meson Production in pbar-p Annihilation at Rest and Strangeness in the Nucleon
• Measurement of the pseudoscalar mixing angle and ${\eta }^{\prime }$ gluonium content with KLOE detector
• Study of the Decay phi --> eta pi0 gamma with the KLOE detector
• Observation of $B^{\pm }\to p\bar{p}{K}^{\pm }$
• Exotic Meson Production in the $f_1(1285){\pi }^{-}$ System observed in the Reaction ${\pi }^{-}p\to \eta {\pi }^{+}{\pi }^{-}{\pi }^{-}p$ at 18 GeV/c
• The mixing of the f0(1370), f0(1500) and f0(1710) and the search for the scalar glueball
• The nature of $\sigma$, $\kappa$, $a_0(980)$ and $f_0(980)$
• The $\varphi (1020)\to {\pi }^0{\pi }^0\gamma$ decay
• Central exclusive diffractive production as a spin--parity analyser: from hadrons to Higgs
• Heavy Quarks on Anisotropic Lattices: The Charmonium Spectrum
• Observation of a Narrow Meson Decaying to Ds pi0 gamma at a Mass of 2.458 GeV/c^2
• One-pion-exchange final-state-interaction and the pbar p near threshold enhancement in J/psi -> gamma pbar p decays
• Separation of S- wave pseudoscalar and pseudovector amplitudes in pi^- p---> pi^+ pi^- n reaction on polarized target
• The antinucleon-nucleon interaction at low energy : annihilation dynamics
• Evidence for kappa Meson Production in J/psi -> bar{K}^*(892)^0K^+pi^- Process
• QCD sum rule approach for the light scalar mesons as four-quark states
• Observation of h_c(^1P_1) State of Charmonium
• Dalitz Analysis of D^0 --> K_S^0 pi+ pi-
• Linear square-mass trajectories of radially and orbitally excited hadrons in holographic QCD
• Measurement of the Pion Form Factor in the Energy Range 1.04-1.38 GeV with the CMD-2 Detector
• One Explanation for the Exotic State Y(4260)
• Observation of eta_c^{prime} Production in gamma gamma Fusion at CLEO
• Measurements of the parameters of the $\varphi (1020)$ resonance through studies of the processes $e^{+}{e}^{-}\to K^{+}{K}^{-}$, $K_S{K}_L$ and ${\pi }^{+}{\pi }^{-}{\pi }^0$
• Study of the process $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0$ in the energy region $\sqrt[]{s}$ below 0.98 GeV
• Study of the X(3872) and Y(4260) in B0-->J/psi pi+ pi- K0 and B-->J/psi pi+ pi- K- decays
• Observation of B0bar --> D(*)0 p pbar
• Search for a Charged Partner of the X(3872) in the B Meson Decay B --> X- K, X- --> J/psi pi- pi0
• Parity doublets and chiral symmetry restoration in baryon spectrum
• High statistics study of f_0(980) resonance in gamma gamma --> pi^+ pi^- production
• A coupled channel analysis of the centrally produced K+K- and pi+pi- final states in pp interactions at 450 GeV/c
• On the gluon content of the eta and eta' mesons
• Dynamical Generation of Scalar Mesons
• Instantons, the QCD Vacuum, and Hadronic Physics
• K-matrix analysis of the K-pi S-wave in the mass region 900-2100 Mev and nonet classification of scalar qqbar-states
• Measurements of the mass and width of the eta_c meson and of an eta_c(2S) candidate
• The $\varphi \to \eta {\pi }^0\gamma$ decay
• Scalar meson and glueball decays within a effective chiral approach
• The $\kappa$ resonance in s wave $\pi K$ scatterings
• Possible Molecular Structure of the Newly Observed Y(4260)
• Charmonium's K2 peak
• Does A Narrow Tetraquark $cc\bar{u}\bar{d}$ State Exist?
• Study of Charmless Hadronic B Meson Decays to Pseudoscalar-Vector Final States
• Canonical Interpretation of the D_{sJ}(2860) and D_{sJ}(2690)
• First observation of a narrow charm-strange meson DsJ(2632) -> Ds eta and D0 K+
• Flatte-like distributions and the a_0(980)/f_0(980) mesons
• Model Independent Measurement of \swave $K^{-}{\pi }^{+}$ systems using $\Dp\to Kππ$ Decays from Fermilab E791
• Observation of a near-threshold enhancement in the ωϕmass spectrum from the doubly OZI suppressed decay J/ψ\to γωϕ
• A Glueball- $q\bar{q}$ Filter in Central Hadron Production
• Towards resolution of the enigmas of P-wave meson spectroscopy
• Theoretical Study of the γγ-->meson-meson Reaction
• Two-photon decays of hadronic molecules
• Heavy quark spin selection rule and the properties of the X(3872)
• Hybrid meson decay from the lattice
• A study of the eta eta channel produced in central pp interactions at 450 GeV/c
• I = 0 C = +1 mesons from 1920 to 2410 MeV
• Exotic Meson Decay to $\omega {\pi }^0{\pi }^{-}$
• First Observation of PHI(1020)--->PI0+PI0+GAMMA Decay
• Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B-+ -> D(*)K-+ decays with a Dalitz analysis of D -> K0s pi- pi+
• QCD Tests of the Puzzling Scalar Mesons
• Direct instantons, topological charge screening and QCD glueball sum rules
• A chromomagnetic mechanism for the X(3872) resonance
• The new analysis of the KLOE data on the phi->eta pi0 gamma decay
• Exclusive Production of the X(3872) in B Meson Decay
• Effects of S-wave thresholds
• D_{sJ}(2860) as the first radial excitation of the D_{s0}^*(2317)
• $D_{sJ}(2860)$ resonance and the $s_{\ell }^P={\frac{5}{2}}^{-}$ $c\bar{s}$ ($c\bar{q}$) doublet
• Hadronic Cross Sections in Electron-Positron Annihilation with Tagged Photon
• Properties of the light scalar mesons face the experimental data on the $\varphi \to {\pi }^0{\pi }^0\gamma$ decay and the $\pi \pi$ scattering
• Study of the process $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0$ in the energy region $\sqrt[]{s}$ from 0.98 to 1.38 GeV.}
• A covariant constituent quark/gluon model for the glueball-quarkonia content of scalar-isoscalar mesons
• Study of the decay phi--> f0(980)g --> pi+pi-g with the KLOE detector
• Excited hadrons on the lattice: Mesons
• Chiral Loops and Ghost States in the Quenched Scalar Propagator
• Dalitz plot analysis of the decay B+- -> K+-K+-K-+
• Hadron Spectroscopy and Structure from AdS/CFT
• Evidence for Exotic J^{PC}=1^{-+} Meson Production in the Reaction pi- p --> eta pi- p at 18 GeV/c
• Observation of B+ -> p pbar pi+, B0 -> p pbar K0, and B+ -> p pbar K*+
• Production of the X(3872) in B Meson Decay by the Coalescence of Charm Mesons
• Properties of the a0(980) meson
• f_1(1285) Formation in Two-Photon Collisions at LEP
• First Observation of a Upsilon(1D) State
• Chiral multiplets versus parity doublets in highly excited baryons
• A lattice study of the masses of singlet 0++ mesons
• Scalar Mesons in a Relativistic Quark Model with Instanton-Induced Forces
• Nonet Classification of Scalar/Isoscalar Resonances below 1900 MeV: the Existence of an Extra Scalar State in the Region 1200-1600 MeV
• Nature of the light scalar mesons
• Observation of psi(3770)--> pi pi J/psi and Measurement of Gamma_{ee}[psi(2S)]
• The Photoproduction of Hybrid Mesons from Cebaf to HERA
• Properties of new unflavored mesons below 2.4 GeV
• Wilson Loop, Regge Trajectory and Hadron Masses in a Yang-Mills Theory from Semiclassical Strings
• Properties of light scalar mesons from lattice QCD
• A Study of the DsJ(2317) and DsJ(2460) Mesons in Inclusive ccbar Production Near sqrt(s) = 10.6 GeV
• Production of singlet P-wave $c\bar{c}$ and $b\bar{b}$ states
• Scalar meson in dynamical and partially quenched two-flavor QCD: lattice results and chiral loops
• The pole structure of the unitary, crossing symmetric low energy $\pi \pi$ scattering amplitudes
• Observation of the Decay B=> J/psi eta K and Search for X(3872)=> J/psi eta
• Charm Meson Spectra in e^+e^- Annihilation at 10.5 GeV c.m.e
• Study of the Process e+ e- --> omega pi0 --> pi0 pi0 gamma in c.m. Energy Range 920--1380 MeV at CMD-2
• Dalitz plot analysis of D_s+ and D+ decay to pi+pi-pi+ using the K-matrix formalism
• Partial wave analyses of J/psi to gamma pi^+ pi^- and gamma pi^0 pi^0
• Evidence of the PHI(1020)--->ETA+PI0+GAMMA Decay
• Observation of the ^1P_1 State of Charmonium
• Glueballs, closed fluxtubes and eta(1440)
• Study of B -> DsJ(*)+ Dbar(*) Decays
• Observation of B+ to Lambda Lambdabar K+
• Light meson spectrum and classical symmetries of QCD
• Does one observe chiral symmetry restoration in baryon spectrum?
• The Meson Spectrum in a Covariant Quark Model
• Study of the Baryon-Antibaryon Low-Mass Enhancements in Charmless Three-body Baryonic B Decays
• Partial wave analysis of pbar-p annihilation channels in flight with I=1, C=+1
• Lattice calculation of $1^{-+}$ hybrid mesons with improved Kogut-Susskind fermions
• Observation of B0 to p Lambdabar pi-
• Study of the process e+e- to pi+pi-pi+pi-pi0 with CMD-2 detector
• Psi(2S) -> pi^+ pi^- J/psi Decay Distributions
• A measurement of the branching fractions of the f1(1285) and f1(1420) produced in central pp interactions at 450 GeV/c
• Hybrid Quarkonia on Asymmetric Lattices
• Chromomagnetism, flavour symmetry breaking and S-wave tetraquarks
• New precision measurement of the $J/\psi$- and ${\psi }^{\prime }$ -meson masses
• Left Hand Singularities, Hadron Form Factors and the Properties of the Sigma Meson
• Study of B meson decays to three-body charmless hadronic final states
• There is no $\kappa (900)$
• Threshold effect and π^\pm ψ(2S) peak
• A Study in Depth of f0(1370)
• Mass Uncertainties of f0(600) and f0(1370) and their Effects on Determination of the Quark and Glueball Admixtures of the I=0 Scalar Mesons
• Partial Wave Analyses of $J/\psi \to \gamma K^{+}{K}^{-}$ and $\gamma K_S^0{K}_S^0$
• Monte Carlo study of glueball masses in the Hamiltonian limit of SU(3) lattice gauge theory
• A spin analysis of the 4pi channels produced in central pp interactions at 450 GeV/c
• D_s (2317) as a four-quark state in QCD sum rules
• An improved study of the kappa resonance and the non-exotic $s$ wave $\pi K$ scatterings up to $\sqrt{s}=2.1$GeV of LASS data
• Generalizing the Noether theorem for Hopf-algebra spacetime symmetries
• Towards understanding broad degeneracy in non-strange mesons
• The radiative decays $\varphi \to \gamma a_0/f_0$ in the molecular model for the scalar mesons
• Experimental study of the e+e- -> pi0 gamma process in the energy region sqrt(s)=0.60-0.97 GeV
• Semiclassical Quantization of Effective String Theory and Regge Trajectories
• A Relativistic Quark Model for Mesons with an Instanton-Induced Interaction
• Observation of a threshold enhancement in the p \bar{Lambda} invariant mass spectrum
• Measurement of omega meson parameters in pi^+pi^-pi^0 decay mode with CMD-2
• Measurement of K^+K^- production in two-photon collisions in the resonant-mass region
• Elimination of ambiguities in pion-pion phase shifts using crossing symmetry
• A study of the centrally produced 4pi channel in pp interactions at 450 GeV/c
• Photon transitions in Upsilon(2S) and Upsilon(3S)
• Implications of the Glueball-qqbar filter on the 1++ nonet
• SU(2)_L * SU(2)_R and U(1)_A restorations high in the hadron spectrum and what it tells us about
• $1^{-+}$ exotic meson at light quark masses
• Determining the upper limit of Gamma_{ee} for the Y(4260)
• Glueball-quarkonia content and decay of scalar-isoscalar mesons
• Combined analysis of meson channels with I=1, C = -1 from 1940 to 2410 MeV
• Partial Wave Analysis of $J/\psi \to \gamma ({\pi }^{+}{\pi }^{-}{\pi }^{+}{\pi }^{-})$
• A Precision Determination of the D^0 Mass
• Meson-Meson Scattering in the Quark Model: Spin Dependence and Exotic Channels
• Cross section of the reaction $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^{+}{\pi }^{-}$ below 1 GeV at CMD-2
• Systematics of quark-antiquark states and scalar exotic mesons
• Parity Doubling Among the Baryons
• The kappa in E791 data for D->K-pi-pi
• ppbar enhancement in B and J/Psi decay
• A mass formula for baryon resonances
• A partial wave analysis of the centrally produced pi+pi- system in pp interactions at 450 GeV/c
• Experimental indication on chiral symmetry restoration in meson spectrum
• Measurement of Gamma(phi -> eta' gamma)/Gamma(phi -> eta gamma) and the pseudoscalar mixing angle
• Light resonances in Ks K pi and eta pi pi final states in gamma gamma collisions at LEP
• A partial wave analysis of the centrally produced K+K- and K0K0 systems in pp interactions at 450 GeV/c and new information on the spin of the fJ(1710)
• Chiral symmetry restoration and the string picture of hadrons
• Scalar Quarkonium and the Scalar Glueball
• The s-sbar and K-Kbar nature of f_0(980) in D_s decays
• Ordinary and Extraordinary Hadrons
• Amplitude Analysis of the Decay B+- -> pi+- pi+- pi-+
• On the use of the Operator Product Expansion to constrain the hadron spectrum
• Evidence for a narrow dip structure at 1.9 GeV/c${}^2$ in $3{\pi }^{+}3{\pi }^{-}$ diffractive photoproduction
• A partial wave analysis of the ${\pi }^{-}{\pi }^{-}{\pi }^{+}$ and ${\pi }^{-}{\pi }^0{\pi }^0$ systems and the search for a $J^{PC}=1^{-+}$ meson
• Production of the ${\eta }_b(nS)$ states
• Improved Analysis of J/psi Decays into a Vector Meson and Two Pseudoscalars
• Observation of ${\rm Y}(4S)decaysto$π^+pi^-Υ(1S)$and$π^+pi^-Υ(2S)
• A search for J^{PC}=1^{-+} exotic mesons in the pi- pi- pi+ and pi- pi0 pi0 systems
• I=0, C=-1 mesons from 1940 to 2410 MeV
• Study of the Process e+ e- ---> eta gamma in c.m. Energy Range 600-1380 MeV at CMD-2
• X(1835): A Natural Candidate of ${\eta }^{\prime }$'s Second Radial Excitation
• The pion-pion scattering amplitude. II: Improved analysis above $\bar{K}K$ threshold
• Exotic mesons from quantum chromodynamics with improved gluon and quark actions on the anisotropic lattice
• An Alternative Interpretation of X(3872)
• The e+ e- -> P1 P2 gamma processes close to the Phi peak: toward a model-independent analysis
• Observation of a New Charmed Strange Meson
• A New Analysis of the R Measurements: Resonance Parameters of the Higher Vector States of Charmonium
• Scalar Gluonium and Instantons
• Hybrid meson properties in Lattice QCD and Flux Tube Models
• Observation of 1^-0^- Final States from psi(2S) Decays and e^+e^- Annihilation
• Parity Doubling and SU(2)_L x SU(2)_R Restoration in the Hadron Spectrum
• Strong decays of $D_{sJ}(2317)$ and $D_{sJ}(2460)$
• Remarks on the f_0(400-1200) scalar meson as the dynamically generated chiral partner of the pion
• Resonance production in central pp collisions at the CERN Omega Spectrometer
• Search for gammagamma -> eta_b in e+e- collisions at LEP2
• Gluonia, Scalar and Hybrid Mesons in QCD
• Hunting the Vector Hybrid
• Pseudoscalar production at omega omega threshold in J/psi -> gamma omega omega
• Observation of a broad 1^-- resonant structure around 1.5 GeV/$c^2$ in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0
• Study of the $\eta \pi$ and ${\eta }^{\prime }\pi$ spectra and interpetation of possible exotic $J^{PC}=1^{-+}$ mesons
• Zero temperature string breaking in lattice quantum chromodynamics
• A study of the KKbarpi channel produced centrally in pp interactions at 450 GeV/c
• A partial wave analysis of the ${\pi }^0{\pi }^0$ system produced in ${\pi }^{-}p$ charge exchange collisions
• Study of B+ to p Lambdabar gamma, p Lambdabar pi0 and B0 to p Lambdabar pi-
• Total Cross Section of the Process e+e- -> pi+pi-pi+pi- in the C.M.Energy Range 980-1380 MeV
• Measurement of gamma gamma -> p p-bar production at Belle
• Search for the glueball candidates f0(1500) and fJ(1710) in gamma gamma collisions
• Observation of the phi to pi+pi-pi+pi- Decay
• B decays into light scalar particles and glueball
• Measurements of $\psi (2S)$ decays into Vector- Tensor final states
• Scalar glueball: analysis of the (IJ^{PC}=00^{++})-wave
• Analysis the $0^{++}$ nonet mesons as four-quark states with the QCD sum rules
• First Observation and Dalitz Analysis of the D^0 --> K_S^0 eta pi^0 Decay
• A study of pseudoscalar states produced centrally in pp interactions at 450 GeV/c
• A Study of the ηπ^{0} Spectrum and Search for a J^{PC} = 1^{-+} Exotic Meson
• The X(3872) at CDF II
• Hadronic Mass Spectrum Analysis of D+ into K- pi+ mu+ nu Decay and Measurement of the K*(892)^0 Mass and Width
• Measurement of Interfering K^*+K^- and K^*-K^+ Amplitudes in the Decay D^0 --> K^+K^-pi^0
• Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{*0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{*-}\proton\antiprotonπ^+$
• The JPC=1-+ hunting season at VES
• Structure of the axial-vector meson $D_{s1}(2460)$ and the strong coupling constant $g_{D_{s1}{D}^{\ast }K}$ with the light-cone QCD sum rules
• Glueball-$Q\bar{Q}$ mixing and Okuba-Zweig-Iizuka rule violation in the hadronic decays of heavy quarkonia
• Further evidence for a large glue component in the f0(1500) meson
• Evidence that the Pomeron transforms as a non-conserved vector current
• From the Kappa via the Ds0*(2317) to the chi_c0: connecting light and heavy scalar mesons
• Study of the P-wave charmonium state χ_{cJ} in ψ(2S) decays
• New study of the isotensor pi-pi interaction
• Positive Parity Scalar Mesons in the 1-2 GeV Mass Range
• Two-Photon Production of Charged Pion and Kaon Pairs
• Study of the $e^{+}{e}^{-}\to \eta \gamma$ process with SND detector at the VEPP-2M $e^{+}{e}^{-}$ collider
• A study of the f0(1370), f0(1500), f0(2000) and f2(1950) observed in the centrally produced 4pi final states
• Charm as a domain wall fermion in quenched lattice QCD
• Structure of the $D_{s0}(2317)$ and the strong coupling constant $g_{D_{s0}DK}$ with the light-cone QCD sum rules
• First observation of the $\varphi \to {\pi }^{+}{\pi }^{-}\gamma$ decay
• Is the anomalous decay ratio of D_{sJ}(2632) due to isospin breaking?
• A partial wave analysis of the centrally produced pi0pi0 system in pp interactions at 450 GeV/c
• A study of the centrally produced phiphi system in pp interactions at 450 GeV/c
• Study on Decays of $D_{sJ}^{\ast }(2317)$ and $D_{sJ}(2460)$ in terms of the CQM Model
• Experimental evidence for a vector-like behaviour of Pomeron exchange
• Observation of the decay Upsilon(4S) -> Upsilon(1S) pi+ pi-
• Final state interaction and a light mass "exotic" resonance
• Partial Wave Analysis of $J/\psi \to \gamma (K^{\pm }{K}_S^0{\pi }^{\mp })$
• Reconclining phi radiative decays with other data for a0(980), fo(980), pi-pi -> KK and pi-pi -> eta-eta
• Interpretation of Experimental J^PC Exotic Signals
• K-Matrix Analysis of the (${IJ}^{PC}=00^{++}$) Amplitude in the Mass Region up to 1550 MeV
• Determination of the $\eta$ and ${\eta }^{\prime }$ Mixing Angle from the Pseudoscalar Transition Form Factors
• Observation of B- -> J/psi Lambda pbar and searches for B- -> J/psi Sigma0 pbar and B0 -> J/psi p pbar Decays
• Partial wave analysiss of pbar-p -> piminus-piplus, pizero-pizero, eta-eta and eta-etaprime
• Central production of mesons: Exotic states versus Pomeron structure
• Measurement of the Spectroscopy of Orbitally Excited B Mesons at LEP
• Evidence for f0(980)f0(980) production in chi_c0 decays
• The lightest scalar glueball
• Analysis the $f_0(980)$ and $a_0(980)$ mesons as four-quark states with the QCD sum rules
• Two-pion transitions in quarkonium revisited
• Search for Charmless Two-body Baryonic Decays of B Mesons
• Multichannel calculation for Ds* vector states and the Ds(2632) resonance
• $D_{sJ}^{+}(2632)$: An Excellent Candidate of Tetraquarks
• Classification of the scalar mesons: a strange pole expedition into charm and beauty territory
• Towards a model independent determination of the phi -> f_0 - gamma coupling
• Measurement of Exclusive rho^0 rho^0 Production in Two-Photon Collisions at High Q^2 at LEP
• Chiral and U(1)_A restorations high in the hadron spectrum, semiclassical approximation and large N_c
• Chiral radiative corrections and D_s(2317)/D(2308) mass puzzle
• Dynamics of Glueball and qqbar production in the central region of pp collisions
• X(1812) in Quarkonia-Glueball-Hybrid Mixing Scheme
• The upper limit of the e+e- partial width of X(3872)
• A Study of J/psi-->gamma gamma V(rho,phi) Decays with the BESII Detector
• Experimental Study of the Reaction $e^{+}{e}^{-}\to K_S{K}_L$ in the Energy Range $\sqrt{s}=1.04÷1.38$ GeV
• Masses of singlet and non-singlet 0++ particles
• Dalitz Plot Analysis of D0-->K0bar K+ K-
• ψ(2S) Decays into $\J$ plus Two Photons
• Diquarks and antiquarks in exotics: a menage a trois and a menage a quatre
• The glueball among the light scalar mesons
• Sizes of Lightest Glueballs in SU(3) Lattice Gauge Theory
• The Hadronic Transitions $Upsilon(2S)\to Upsilon(1S)$
• A study of the centrally produced eta pi0 and eta pi- systems in pp interactions at 450 GeV/c
• TASI Lectures: Introduction to the AdS/CFT Correspondence
• Modern theory of nuclear forces
• Parity Doubling in the Meson Spectrum
• Shape of the $f_0(980)$ in $\gamma \gamma \to {\pi }^{+}{\pi }^{-}$
• Study of the $\rho$ and $\omega$ meson decays into pseudoscalar meson and $e^{+}{e}^{-}$ pair with the CMD-2 detector
• Filtering glueball from $q\bar{q}$ production in proton proton or double tagged $e^{+}{e}^{-}\to e^{+}{e}^{-}R$ and implications for the spin structure of the Pomeron
• $SU(3)$ Classification of $p$-Wave $\eta \pi$ and ${\eta }^{\prime }\pi$ Systems
• Studying Kaon-pion S-wave scattering in K-matrix formalism
• Light 1-+ exotics: molecular resonances
• Azimuthal Angular Distributions in EDDE as Spin-Parity Analyser and Glueball Filter for LHC
• $\pi \pi$ scattering S wave from the data on the reaction ${\pi }^{-}p\to {\pi }^0{\pi }^{0}n$
• Suppression of flavor symmetry breaking in B decay sum rules
• Study of the radiative decay $\varphi \to \eta \gamma$ with CMD-2 detector
• Resonances formed by pbar-p and decaying into pizero-pizero-eta for masses 1960 to 2410 MeV
• Towards an understanding of the light scalar mesons
• Observation of Pseudoscalar and Axial Vector Resonances in pi- p -> K+ K- pi0 n at 18 GeV
• The X(3872) and the 3941 MeV peak in omega+J/Psi
• Study of the decay mode D^0 -> K-K+pi-pi+
• Observation of a New J(PC)=1(+-) Isoscalar State in the Reaction Pi- Proton -> Omega Eta Neutron at 18 GeV/c
• Study of the $\pi \pi$ mass spectra in the process $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0$ at $\sqrt[]{s}\simeq 1020$ MeV
• Instanton Effects in the Decay of Scalar Mesons
• On Goldstone bosons decoupling from high-lying hadrons
• Measurement of mass and width of the excited charmed meson states $D_1^0$ and $D_2^{\ast 0}$
• A partial wave analysis of pbar-p -> eta-eta-pizero
• The operator product expansion does not imply parity doubling of hadrons
• Light Quark Resonances in pbar p Annihilations at 5.2 GeV/c
• Comment on "Valence QCD: Connecting QCD to the Quark Model"
• Sector of the $2^{++}$ mesons: observation of the tensor glueball
• Partial Wave Analysis of $J/\psi \to \gamma (K^{+}{K}^{-}{\pi }^{+}{\pi }^{-})$
• X(1576) and the Final State Interaction Effect
• Precise measurement of spin-averaged chi_{cJ}(1P) mass using photon conversions in psi(2S) -> gamma chi_{cJ}
• The f2(1565) in pbar-p -> (omega-omega)pizero interactions at rest
• A Possible Two-Component Structure of the Non-Perturbative Pomeron
• Search for X(3872) in gamma gamma Fusion and ISR at CLEO
• Observation of the decay PHI(1020)--->OMEGA+PI0
• Tests of the nature and of the gluon content of the σ(0.6) from D and D_{s} semileptonic decays
• Pentaquark implications for exotic mesons
• Production of Ds** mesons in hadronic Z decays
• Analysis of the X(1576) as a tetraquark state with the QCD sum rules
• Search for psi(3770)\raρπat the BESII detector at the Beijing Electron-Positron Collider
• A study of the etapipi channel produced in central pp interactions at 450 GeV/c
• Observation of B^+ -> \barΞ_c^0Λ_c^+ and Evidence for B^0 -> \barΞ_c^-Λ_c^+
• Chiral Extrapolations and Exotic Meson Spectrum
• Estimating the I=3/2 K pi interaction in D decay
• The Search for eta(1440) --> K^0_S K^pm π^mp in Two-Photon Fusion at CLEO
• The Kappa in J/Psi -> Kpplus-piminus-Kminus-piplus
• A study of the eta etaprime and etaprime etaprime channels produced in central pp interactions at 450 GeV/c
• Hybrid Quarkonia with Dynamical Sea Quarks
• Charmonium Decays to Axialvector plus Pseudoscalar Mesons
• chi_{cJ} Decays to h^+h^-h^0
• A study of the reaction pim p --> omega pim p at 18 GeV/c: The D and S decay amplitudes for b1(1235) --> omega pi
• Do parity doublets in the baryon spectrum reflect restoration of chiral symmetry?
• chi_cJ Decays to h^+h^-h^0
• Scalars in the hadron world: the Higgs sector of the strong interaction
• Nonlinear Regge trajectories and glueballs
• Radiative Decay of the ψ(2S) into Two Pseudoscalar Mesons
• A Measurement of the Mass and Full-Width of the ${\eta }_c$ Meson
• Production of Chi_c2 Mesons in Photon-Photon Collisions at LEP
• Partial-wave analysis of the eta pi+ pi- system produced in the reaction pi-p --> eta pi+ pi- n at 18 GeV/c
• Study of psi(2S) decays to X J/psi
• Further Search for the Two-Photon Production of the Glueball Candidate $f_J(2220)$
• A study of the centrally produced K*K* and phi omega systems in pp interactions at 450 GeV/c
• Data on pbar-p -> etaprime-pizero-pizero for masses 1960 to 2410 MeV/c^2
• A study of the omega omega channel produced in central pp interactions at 450 GeV/c
• Scalar mesons and low-mass sigma: Does the $\sigma$ reveal the confinement singularity?
• X(1576) as Diquark-Antidiquark Bound State
• The phase of the sigma -> pi-pi amplitude in J/Psi -> omega-pi-pi
• Radiative Decays of the Upsilon(1S) to gamma pi^0 pi^0, and gamma eta eta and gamma pi^0 eta
• A study of the centrally produced 3pi channel in pp interactions at 450 GeV/c
• Vector meson pair production in two-photon collisions near threshold
• Radiative decays of phi-meson about nature of light scalar resonances
• Radiative decay width of the a2(1320)^- meson
• Scalar mesons in QCD and tests of the gluon content of the sigma
• Mass and width of the sigma
• The "forbidden" decays of hybrid mesons to $\pi \rho$ can be large
• Measurement of Exclusive rho+rho- Production in Mid-Virtuality Two-Photon Interactions and Study of the gamma gamma* -> rho rho Process at LEP
• Study of the doubly and singly Cabibbo suppressed decays D+ --> K+ pi+ pi- and Ds+ --> K+ pi+ pi-
• A New Decomposition of pion-pion S-wave Interaction
• Properties of the scalar mesons $f_0(1370)$, $f_0(1500)$ and $f_0(1710)$
• New measurement of the rare decay $\varphi \to {\eta }^{\prime }\gamma$ with CMD-2
• Computing the eta and eta' Mesons in Lattice QCD
• The two-pion spectra for the reaction π^- p -> π^0π^0 n at 38 GeV/c pion momentum and combined analysis of the GAMS, Crystal Barrel and BNL data
• A Search for a Narrow Radial Excitation of the D*+/- Meson
• Measurement of the decay phi->mu+mu-
• Evidence for a 4th state related to the three JPC = 2++, pi- p -> phi phi n states explainable by 2++ Glueball production
• Meson model for f_0(980) production in peripheral pion-nucleon reactions
• Zero mode effect in the $1^{-+}$ four quark states
• $4\pi$ Decay Modes of the $f_0(1500)$ Resonance
• Semileptonic Decays of Heavy Tetraquarks
• Exotic Meson Decay Widths using Lattice QCD
• Observation of the phi to eta' gamma decay with four charged particles and photons in the final state
• Isospin and a possible interpretation of the newly observed X(1576)
• Hadronic decays from the lattice
• Complex amplitude phase motion in Dalitz plot heavy meson three body decay
• Highly Excited Hadrons in QCD and Beyond
• The eta_c(2980) formation in two-photon collisions at LEP energies
• A study of the centrally produced pi0pi0pi0 channel in pp interactions at 450 GeV/c
• chi_c0 and chi_c2 Decays into eta eta, eta eta', and eta' eta' Final States
• Exclusive channels in $\gamma \gamma$ reactions: light at the end of the tunnel?
• A Study of D0 --> K0(S) K0(S) X Decay Channels
• Meson and Baryon Spectroscopy on a Lattice
• U(12) A New Symmetry Possibly Realizing in Hadron Spectroscopy
• Experimental study of $\psi (2S)$ decays to $\K^+ K^- π^+ π^- π^0$ final states
• A study of the centrally produced baryon-antibaryon systems in pp interactions at 450 GeV/c
• Decay $\varphi (1020)\to \gamma f_0(980)$: analysis in the non-relativistic quark model approach
• Measurements of J/psi Decays into 2(pi+pi-)eta and 3(pi+pi-)eta
• Determination of $\sigma (e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-})$ from radiative processes at DA$\Phi$NE
• Towards resolution of the scalar meson nonet enigma
• Hadron Spectroscopy from BES and CLEOc
• Towards a Relativistic Description of Exotic Meson Decays
• Exotic ${\rho }^{\pm }{\rho }^0$ state photoproduction
• A Study of \bar{p}p -> Two Neutral Pseudoscalar Mesons at the chi_c0(1^3P_0) Formation Energy
• Study of reaction pi- A --> pi+pi-pi- A at VES setup
• Search for X(3872) in gamma gamma Fusion and ISR at CLEO
• Observation of Observation of tensor glueball in the reactions p anti-p -> pi-pi, eta-eta, eta-eta'
• New Data from SND Detector in Novosibirsk
• Scalar glueball production in $J/\psi$ hadronic decays
• Mechanisms of the $f_0(980)$ production in the reaction ${\pi }^{-}p\to {\pi }^0{\pi }^{0}n$
• Remarks on the amplitude of the decay Upsilon(3S) -> Upsilon(1S) pi pi
• A search for charmonium states produced in central pp interactions at 450 GeV/c
• D_{s0}^+(2317) as an iso-triplet four-quark meson
• Are the reactions $\gamma \gamma \to V{V}^{\prime }$ a challenge for the factorized Pomeron at high energies?
• The Possible $J^{PC}{I}^G=2^{++}{2}^{+}$ State X(1600)
• From QCD to Dual Superconductivity to Effective String Theory
• Effective Lagrangians Induced by the Anomalous Wess-Zumino Action and $I^G(J^{PC})=1^{-}(1^{-+})$ Exotic States
• Broad resonances as locking states and the problem of confinement
• A study of the pi^0pi^0 system produced in charge exchange and central collisions
• Charmonium at CLEO
• B and D Spectroscopy at LEP

Cited by in corpus (547)

• Heavy quarkonium: progress, puzzles, and opportunities
• Hadronic molecules
• The hidden-charm pentaquark and tetraquark states
• Pentaquark and Tetraquark states
• Heavy-Quark QCD Exotica
• An updated review of the new hadron states
• Light-Front Holographic QCD and Emerging Confinement
• QCD and strongly coupled gauge theories: challenges and perspectives
• The Physics of the B Factories
• Electron-Ion Collider in China
• A review of the open charm and open bottom systems
• Baryon spectroscopy
• New Charmonium States in QCD Sum Rules: a Concise Review
• Physics Opportunities with the 12 GeV Upgrade at Jefferson Lab
• Light-Front Holography: A First Approximation to QCD
• Threshold cusps and triangle singularities in hadronic reactions
• Longitudinal short-distance constraints for the hadronic light-by-light contribution to $(g-2{)}_{\mu }$ with large-$N_c$ Regge models
• The Physics of Glueballs
• Physics with the KLOE-2 experiment at the upgraded DA$\varphi$NE
• Progress Toward Understanding Baryon Resonances
• Mass spectra and Regge trajectories of light mesons in the relativistic quark model
• The Status of Glueballs
• Precise determination of the f0(600) and f0(980) pole parameters from a dispersive data analysis
• STCF Conceptual Design Report: Volume 1 -- Physics & Detector
• Hybrid Mesons
• 50 Years of Quantum Chromodynamics
• Toward the excited isoscalar meson spectrum from lattice QCD
• Meson vacuum phenomenology in a three-flavor linear sigma model with (axial-)vector mesons
• Exotic hadrons: review and perspectives
• Analysis of the X(3872), Z_c(3900) and Z_c(3885) as axial-vector tetraquark states with QCD sum rules
• Towards the glueball spectrum from unquenched lattice QCD
• Spectroscopy and Regge trajectories of heavy quarkonia and B_c mesons
• Isoscalar meson spectroscopy from lattice QCD
• Light Hadron Masses from Lattice QCD
• Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'
• Regge analysis of the pi pi scattering amplitude
• The puzzle of anomalously large isospin violations in $\eta (1405/1475)\to 3\pi$
• Dynamical holographic QCD model for glueball and light meson spectra
• Weak decays of heavy hadrons into dynamically generated resonances
• Wave functions of composite hadron states and relationship to couplings of scattering amplitudes for general partial waves
• A new interpretation for the $D_{s2}^{\ast }(2573)$ and the prediction of novel exotic charmed mesons
• $Z_b$ and $Z_c$ Exotic States as Coupled Channel Cusps
• Masses of fully heavy tetraquarks $QQ\bar{Q}\bar{Q}$ in an extended relativized quark model
• Evidence for a new resonance and search for the Y(4140) in $\gamma \gamma \to \varphi J/\psi$
• Two-pole structure of the $D_0^{\ast }(2400)$
• Dalitz plot analysis of $B_s^0\to {\bar{D}}^0{K}^{-}{\pi }^{+}$ decays
• Scalar Meson Contributions to a_μfrom Hadronic Light-by-Light Scattering
• Is f0(1710) a glueball?
• QCD Sum Rules Approach to the $X,Y$ and $Z$ States
• Structure and compositeness of hadron resonances
• Dalitz plot analysis of $B^0\to {\overline{D}}^0{\pi }^{+}{\pi }^{-}$ decays
• Vacuum phenomenology of the chiral partner of the nucleon in a linear sigma model with vector mesons
• Tetraquark bound states in a Bethe-Salpeter approach
• Evidence that the Y(4660) is a f_0(980)psi' bound state
• Observation of the $\varphi (1680)$ and the Y(2175) in $e^{+}{e}^{-}\to \varphi {\pi }^{+}{\pi }^{-}$
• Strong decays of heavy-light mesons in a chiral quark model
• Systematics of radial and angular-momentum Regge trajectories of light non-strange q\bar{q}-states
• Glueball Decay Rates in the Witten-Sakai-Sugimoto Model
• On the nature of $a_1(1420)$
• The Glueball in a Chiral Linear Sigma Model with Vector Mesons
• A viable QCD axion in the MeV mass range
• Dynamical holographic QCD with area-law confinement and linear Regge trajectories
• Evidence for Direct CP Violation from Dalitz-plot analysis of B+/- -> K+/- pi+/- pi-/+
• The XYZ states revisited
• Subleading contributions to the width of the D_{s0}*(2317)
• High statistics study of the reaction $\gamma p\to p{\pi }^0\eta$
• Implications of heavy quark spin symmetry on heavy meson hadronic molecules
• Kinematical and Dynamical Aspects of Higher-Spin Bound-State Equations in Holographic QCD
• Observation of overlapping spin-1 and spin-3 ${\bar{D}}^0{K}^{-}$ resonances at mass $2.86\mathrm{GeV}/c^2$
• Short-distance constraints on hadronic light-by-light scattering in the anomalous magnetic moment of the muon
• Understanding the property of $\eta (1405/1475)$ in the $J/\psi$ radiative decay
• Interplay of quark and meson degrees of freedom in a near-threshold resonance
• Branching fractions of semileptonic $D$ and $D_s$ decays from the covariant light-front quark model
• Observation of an isoscalar resonance with exotic $J^{PC}=1^{-+}$ quantum numbers in $J/\psi \to \gamma \eta {\eta }^{\prime }$
• Decay of the pseudoscalar glueball into scalar and pseudoscalar mesons
• Nuclear matter within a dilatation-invariant parity doublet model: the role of the tetraquark at nonzero density
• Measurement of $e^{+}{e}^{-}\to K^{+}{K}^{-}$ cross section at $\sqrt{s}=2.00-3.08$ GeV
• Holographic glueball structure
• Selected Science Opportunities for the EicC
• The Hadronic Final State at HERA
• Strong $Z_c^{+}(3900)\to J/\psi {\pi }^{+};{\eta }_c{\rho }^{+}$ decays in QCD
• Y(4140): Possible options
• Odd and Even Partial Waves of $\eta {\pi }^{-}$ and ${\eta }^{\prime }{\pi }^{-}$ in ${\pi }^{-}p\to {\eta }^{(\prime )}{\pi }^{-}p$ at $191\text{GeV}/c$
• Light isovector resonances in ${\pi }^{-}p\to {\pi }^{-}{\pi }^{-}{\pi }^{+}p$ at 190 GeV/$c$
• PANDA Phase One
• The Status of Exotic-quantum-number Mesons
• Observation of a new narrow axial-vector meson $a_1(1420)$
• Etaprime and Eta Mesons with Connection to Anomalous Glue
• Light-Front Holography and Gauge/Gravity Duality: The Light Meson and Baryon Spectra
• Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement
• Scalar isoscalar mesons and the scalar glueball from radiative $J/\psi$ decays
• A new parametrization for the scalar pion form factors
• Mass and decay constant of the newly observed exotic $X(5568)$ state
• $f_1(1285)$ decays into $a_0(980){\pi }^0$, $f_0(980){\pi }^0$ and isospin breaking
• Universal description of radially excited heavy and light vector mesons
• Study of the a_0(980) meson via the radiative decay phi->eta pi^0 gamma with the KLOE detector
• Non-exponential decay in quantum field theory and in quantum mechanics: the case of two (or more) decay channels
• Non-strange partner of strangeonium-like state Y(2175)
• Analysis of the scalar and axial-vector heavy diquark states with QCD sum rules
• Study of J/psi->eta phi pi+pi- at BESIII
• Study of the reaction $\gamma p\to p{\pi }^0\eta$
• Standard candle central exclusive processes at the Tevatron and LHC
• Categorizing resonances X(1835), X(2120) and X(2370) in the pseudoscalar meson family
• QCD and the Strange Baryon Spectrum
• A Study in Depth of f0(1370)
• Masses of light tetraquarks and scalar mesons in the relativistic quark model
• One-photon decay of the tetraquark state $X(3872)\to \gamma +J/\psi$ in a relativistic constituent quark model with infrared confinement
• Amplitude Analysis of High Statistics Results on $\gamma \gamma \to {\pi }^{+}{\pi }^{-}$ and the Two Photon Width of Isoscalar States
• Open charm and bottom tetraquarks in an extended relativized quark model
• Glueball nature of the sigma/f_0(600) from pi-pi and gamma-gamma scatterings
• Partial wave analysis of $J/\psi \to \gamma \eta \eta$
• Exotic open-flavor $bc\bar{q}\bar{q}$, $bc\bar{s}\bar{s}$ and $qc\bar{q}\bar{b}$, $sc\bar{s}\bar{b}$ tetraquark states
• $a_0(980)$ revisited
• Central exclusive chi_c meson production at the Tevatron revisited
• Nonchiral enhancement of scalar glueball decay in the Witten-Sakai-Sugimoto model
• Resonance Production and $\pi \pi$ S-wave in ${\pi }^{-}+p\to {\pi }^{-}{\pi }^{-}{\pi }^{+}+p_{recoil}$ at 190 GeV/c
• Glueball mass measurements from improved staggered fermion simulations
• Light-Meson Spectroscopy with COMPASS
• Large-Nc Properties of the rho and f0(600) Mesons from Unitary Resonance Chiral Dynamics
• Unitary coupled-channels model for three-mesons decays of heavy mesons
• Dynamical generation and dynamical reconstruction
• The mass spectra and decay properties of dimesonic states, using the Hellmann potential
• Dynamical generation of pseudoscalar resonances
• Dalitz Plot Analysis of D_s+ -> pi+ pi- pi+
• Lattice investigation of the scalar mesons a_0(980) and κ using four-quark operators
• The I^G J^{PC}=1^- 1^{-+} Tetraquark States
• Partial wave analysis of $J/\psi \to \gamma \eta {\eta }^{\prime }$
• Phenomenology of axial-vector and pseudovector mesons: decays and mixing in the kaonic sector
• Thermodynamics and Phase Structure of the Two-Flavor Nambu--Jona-Lasinio Model Beyond Large-N_c
• Glueball scattering cross section in lattice SU(2) Yang-Mills theory
• Novel approaches in Hadron Spectroscopy
• 1^{-+} light exotic mesons in QCD
• Scalar mesons in weak semileptonic decays of $B_{(s)}$
• Width of the exotic $X_b(5568)$ state through its strong decay to $B_s^0{\pi }^{+}$
• The $\gamma \gamma$ decay of the $f_0(1370)$ and $f_2(1270)$ resonances in the hidden gauge formalism
• The mass spectrum and strong decays of isoscalar tensor mesons
• Observation of a resonant structure in $e^{+}{e}^{-}\to \omega \eta$ and another in $e^{+}{e}^{-}\to \omega {\pi }^0$ at center-of-mass energies between 2.00 and 3.08 GeV
• Could $Z_c(3900)$ be a $I^G{J}^P=1^{+}{1}^{+}$ $D^{\ast }\bar{D}$ molecular state?
• Revisiting Scalar Glueballs
• $K_0^{\ast }(800)$ as a companion pole of $K_0^{\ast }(1430)$
• $f_0(500)$, $f_0(980)$ and $a_0(980)$ production in the ${\chi }_{c1}\to \eta {\pi }^{+}{\pi }^{-}$ reaction
• Systematic analysis of single heavy baryons ${\Lambda }_Q$, ${\Sigma }_Q$ and ${\Omega }_Q$
• $X(1835)$ and $\eta (1760)$ observed by the BES Collaboration
• Heavy quark symmetry and weak decays of the $b$-baryons in pentaquarks with a $c\bar{c}$ component
• Charmed-strange Meson Spectrum: Old and New Problems
• Weak productions of new charmonium in semi-leptonic decays of B_c
• Puzzles in Hadronic Physics and Novel Quantum Chromodynamics Phenomenology
• Properties of the rho and sigma Mesons from Unitary Chiral Dynamics
• Triangle singularities in $B^{-}\to K^{-}{\pi }^{-}{D}_{s0}^{+}$ and $B^{-}\to K^{-}{\pi }^{-}{D}_{s1}^{+}$
• Holographic like models as a five-dimensional rewriting of large-Nc QCD
• Gluonium nature of the sigma/f_0(600) from its coupling to KK
• How the axial anomaly controls flavor mixing among mesons
• Two-photon and one photon-one vector meson decay widths of the $f_0(1370)$, $f_2(1270)$, $f_0(1710)$, $f_2^{\prime }(1525)$, and $K_2^{\ast }(1430)$
• Charmed partner of the exotic $X(5568)$ state and its properties
• Predictions for ${\eta }_c\to \eta {\pi }^{+}{\pi }^{-}$ producing $f_0(500)$, $f_0(980)$ and $a_0(980)$
• Mass Spectrum of Heavy Quarkonium Hybrids
• The sigma and f_0(980) from Ke4 + pi-pi scatterings data
• Phenomenology of charmed mesons in the extended Linear Sigma Model
• Observation of a structure in $e^{+}{e}^{-}\to \varphi {\eta }^{\prime }$ at $\sqrt{s}$ from 2.05 to 3.08 GeV
• Determination of spin-parity quantum numbers of X(2370) as $0^{-+}$ from $J/\psi \to \gamma K_S^0{K}_S^0{\eta }^{\prime }$
• Light meson spectroscopy from Dalitz plot analyses of ${\eta }_c$ decays to ${\eta }^{\prime }{K}^{+}{K}^{-}$, ${\eta }^{\prime }{\pi }^{+}{\pi }^{-}$, and $\eta {\pi }^{+}{\pi }^{-}$ produced in two-photon interactions
• Delicate interplay between the D0-D*0, rho0-J/psi, and omega-J/psi channels in the X(3872) resonance
• Study of the pseudoscalar glueball in $J/\psi$ radiative decays
• Nucleon resonances in the fourth resonance region
• Helicity amplitudes for photoexcitation of nucleon resonances off neutrons
• Glueball spectrum from $N_f=2$ lattice QCD study on anisotropic lattices
• A possible partner state of the $Y(2175)$
• Gluons in glueballs: Spin or helicity?
• Possible structure of the newly found exotic state ${\eta }_1(1855)$
• Towards the establishment of the light $J^{P(C)}=1^{-(+)}$ hybrid nonet
• Dark matter scattering cross section and dynamics in dark Yang-Mills theory
• Mass spectrum and strong decays of strangeonium in a constituent quark model
• Open-flavor charmed/bottom $sq\bar{q}\bar{Q}$ and $qq\bar{q}\bar{Q}$ tetraquark states
• Triangular singularity and a possible $\varphi p$ resonance in the ${\Lambda }_c^{+}\to {\pi }^0\varphi p$ decay
• ${\Sigma }_{1/2^{-}}^{\ast }(1380)$ in the ${\Lambda }_c^{+}\to \eta {\pi }^{+}\Lambda$ decay
• Strong and radiative decays of excited vector mesons and predictions for a new $\varphi (1930)$ resonance
• Internal particle width effects on the the triangle singularity mechanism in the study of the $\eta (1405)$ and $\eta (1475)$ puzzle
• Canonical interpretation of the ${\eta }_2(1870)$
• The I^G J^{PC}=0^+ 1^{-+} Tetraquark State
• High-statistics study of K^0_S pair production in two-photon collisions
• Probabilities in nonorthogonal basis: Four--quark systems
• Polyakov SU(3) extended linear $\sigma$-model: Sixteen mesonic states in chiral phase-structure
• Mixing effects on 1S and 2S state heavy mesons in the light-front quark model
• Excited states of $\varphi$ meson
• Charmonium and Charmoniumlike States at the BESIII Experiment
• Sum rules for light-by-light scattering
• The $a_0(980)$ and $\Lambda (1670)$ in the ${\Lambda }_c^{+}\to {\pi }^{+}\eta \Lambda$ decay
• Magnetic and quadrupole moments of the $Z_c(3900)$
• Anomalous dimensions and scalar glueball spectroscopy in AdS/QCD
• Scalar-isoscalar states in the large-Nc Regge approach
• Two charged strangeonium-like structures observable in the $Y(2175)\to \varphi (1020){\pi }^{+}{\pi }^{-}$ process
• Strong decays of the bottom mesons $B_1(5721)$, $B_2(5747)$, $B_{s1}(5830)$, $B_{s2}(5840)$ and $B(5970)$
• Higher spin glueballs from functional methods
• Tetraquark Spectroscopy: A Symmetry Analysis
• Extraction of Meson Resonances from Three-pions Photo-production Reactions
• Electromagnetic multipole moments of the $P_c^{+}(4380)$ pentaquark in light-cone QCD
• QCD axial anomaly enhances the $\eta {\eta }^{\prime }$ decay of the hybrid candidate ${\eta }_1(1855)$
• $X(1835)$ and the New Resonances $X(2120)$ and $X(2370)$ Observed by the BES Collaboration
• Holography Inspired Stringy Hadrons
• Hadron spectroscopy from strangeness to charm and beauty
• $S$-wave $K\pi$ contributions to the hadronic charmonium $B$ decays in the perturbative QCD approach
• $B^0$ and $B_s^0$ decays into $J/\psi$ plus a scalar or vector meson
• Cross section measurements of $e^{+}{e}^{-}\to K^{+}{K}^{-}{K}^{+}{K}^{-}$ and $\varphi K^{+}{K}^{-}$ at center-of-mass energies from 2.10 to 3.08 GeV
• Theoretical support for the $\pi (1300)$ and the recently claimed $f_0(1790)$ as molecular resonances
• Constraints on the $\eta {\eta }^{\prime }$ decay rate of a scalar glueball from gauge/gravity duality
• Application of the QCD light cone sum rule to tetraquarks: the strong vertices $X_b{X}_b\rho$ and $X_c{X}_c\rho$
• Observation of the $X(2370)$ and search for the $X(2120)$ in $J/\psi \to \gamma K\bar{K}{\eta }^{\prime }$
• eta(1405) in a chiral approach based on mixing of the pseudoscalar glueball with the first radial excitations of eta and eta'
• Light scalar mesons in QCD
• The Decay Properties of the 1^{-+} Hybrid State
• The $\sigma$-meson: four-quark vs. two-quark components and decay width in a Bethe-Salpeter approach
• Excited Scalar and Pseudoscalar Mesons in the Extended Linear Sigma Model
• Glueballs and deconfinement temperature in AdS/QCD
• Weak decays of heavy hadron molecules involving the f0(980)
• Pseudotensor meson family
• Two-photon decay of heavy hadron molecules
• $B^0\to D^0{\bar{D}}^0{K}^0$, $B^{+}\to D^0{\bar{D}}^0{K}^{+}$ and the scalar $D\bar{D}$ bound state
• $f_0(980)$ production in $D_s^{+}\to {\pi }^{+}{\pi }^{+}{\pi }^{-}$ and $D_s^{+}\to {\pi }^{+}{K}^{+}{K}^{-}$ decays
• A Comprehensive Study of the Radiative Decays of $J/\psi$ and $\psi (2S)$ to Pseudoscalar Meson Pairs, and Search for Glueballs
• A simple alternative to the Breit-Wigner distribution
• Glueballs and Mesons: the Ground States
• Two-gluon and trigluon glueballs from dynamical holography QCD
• Study of $J/\psi \to \omega p\bar{p}$ at BESIII
• The Possible J^{PC}=0^{--} Exotic State
• A cornucopia of antineutrons and hyperons from super J/psi factory for next-generation nuclear and particle physics high-precision experiments
• What can we learn about light-meson interactions at electron-positron colliders?
• Central exclusive production at RHIC
• Effective multi-quark interactions with explicit breaking of chiral symmetry
• Roles of $a_0(980)$, $\Lambda (1670)$, and $\Sigma (1385)$ in the ${\Lambda }_c^{+}\to \eta \Lambda {\pi }^{+}$ decay
• Open charm-bottom scalar tetraquarks and their strong decays
• Evidence of the four-quark nature of $f_0(980)$ and $f_0(500)$
• On the chiral covariant approach to $\rho \rho$ scattering
• Exclusive diffractive production of ${\pi }^{+}{\pi }^{-}{\pi }^{+}{\pi }^{-}$ via the intermediate $\sigma \sigma$ and $\rho \rho$ states in proton-proton collisions within tensor pomeron approach
• Newly observed $a_0(1817)$ as the scaling point of constructing the scalar meson spectroscopy
• QCD sum rule studies on the $ss\bar{s}\bar{s}$ tetraquark states with $J^{PC}=1^{+-}$
• Analytical $\pi \pi$ scattering amplitude and the light scalars-II
• Strong decay of the heavy tensor mesons with QCD sum rules
• Study of the process $e^{+}{e}^{-}\to \varphi \eta$ at center-of-mass energies between 2.00 and 3.08 GeV
• Mass spectrum of the scalar hidden charm and bottom tetraquark states
• Constituent gluon interpretation of glueballs and gluelumps
• Theoretical study of $N(1535)$ and ${\Sigma }^{\ast }(1/2^{-})$ in the Cabibbo-favored process ${\Lambda }_c^{+}\to p{\bar{K}}^0\eta$
• AdS/QCD models describing a finite number of excited mesons with Regge spectrum
• $f_2(1810)$ as a triangle singularity
• Y(4260) as a mixed charmonium-tetraquark state
• Covariant spectator theory of quark-antiquark bound states: Mass spectra and vertex functions of heavy and heavy-light mesons
• Role of the $N^{\ast }(1535)$ in the ${\Lambda }_c^{+}\to {\bar{K}}^0\eta p$ decay
• Chiral Dynamics and S-wave contributions in Semileptonic $D_s/B_s$ decays into ${\pi }^{+}{\pi }^{-}$
• Mass spectrum of the axial-vector hidden charmed and hidden bottom tetraquark states
• Decay of light scalar mesons into vector-photon and into pseudoscalar mesons
• Systematic analysis of doubly charmed baryons ${\Xi }_{cc}$ and ${\Omega }_{cc}$
• Exclusive photoproduction of $f_1(1285)$ meson off proton in the JLab kinematics
• Strange quark matter in the presence of explicit symmetry breaking interactions
• Light unflavor vector meson spectroscopy around the mass range of $2.4\sim 3$ GeV and possible experimental evidence
• Progress and Opportunities in Backward angle (u-channel) Physics
• $\bar{K}\Lambda$ molecular explanation to the newly observed $\Xi (1620{)}^0$
• Partial-wave analysis of $J/\psi \to K^{+}{K}^{-}{\pi }^0$
• A broad pseudovector glueball from holographic QCD
• Investigation of the light four-quark states with exotic $J^{PC}=0^{--}$
• Masses of the Bottom-Charm Hybrid $\bar{b}Gc$ States
• Light Quark Masses in Multi-Quark Interactions
• Hadronic and radiative three-body decays of J/psi involving the scalars f0(1370), f0(1500) and f0(1710)
• The $K\bar{K}\pi$ decay of the $f_1(1285)$ and its nature as a $K^{\ast }\bar{K}-cc$ molecule
• Triply-heavy tetraquarks in an extended relativized quark model
• Propagator poles and an emergent stable state below threshold: general discussion and the E(38) state
• $a_1(1420)$ resonance as a tetraquark state and its isospin partner
• Evidence for a spin-quartet of nucleon resonances at 2\,GeV
• Exotic mesons with hidden charm as diquark-antidiquark states
• Mass spectrum of the vector hidden charm and bottom tetraquark states
• On the nature of the $π_2(1880)
• Settling the $Z_c(4600)$ in the charged charmonium-like family
• Potential higher radial excitations in the light pseudoscalar meson family
• Partial wave analysis of $J/\psi \to \gamma {\eta }^{\prime }{\eta }^{\prime }$
• Pomeron Interactions from the Einstein-Hilbert Action
• The role of the next-to-leading order triangle-shaped diagram in two-body hadronic decays
• Combined fit to BaBar and Belle Data on e+e- to phi pi+ pi- and phi f0(980)
• Radiative open charm decay of the Y(3940), Z(3930), X(4160) resonances
• Glueballs as rotating folded closed strings
• Spectra of glueballs and oddballs and the equation of state from holographic QCD
• Magnetic dipole moment of $Z_b(10610)$ in light-cone QCD
• Double-polarization observable G in neutral-pion photoproduction off the proton
• Phenomenology of pseudotensor mesons and the pseudotensor glueball
• First study of η_c, η(1760) and X(1835) production via η'π^+π^- final states in two-photon collisions
• High-spin mesons below 3 GeV
• Analysis of the scalar nonet mesons with the QCD sum rules
• Recent progress on the study of the charmoniumlike states
• Yang-Mills glueball masses from spectral reconstruction
• On the scalar $\pi K$ form factor beyond the elastic region
• Towards a theory of bottom-up holographic models for linear Regge trajectories of light mesons
• Possible tetraquark states in the ${\pi }^{+}{\chi }_{c1}$ invariant mass distribution
• The $D\to \rho$ semileptonic and radiative decays within the light-cone sum rules
• On the leptonic partial widths of the excited psi states
• Deploying heavier $\eta$ meson states: configurational entropy hybridizing AdS/QCD
• Implications of the Crystal Barrel data for meson-baryon symmetries
• Constructing new pseudoscalar meson nonets with the observed $X(2100)$, $X(2500)$, and $\eta (2225)$
• Towers of hybrid mesons
• Lattice status of gluonia/glueballs
• The pseudoscalar glueball in a chiral Lagrangian model with instanton effect
• Light Scalar Meson sigma(600) in QCD Sum Rule with Continuum
• Light scalar tetraquarks from a holographic perspective
• Does nuclear matter bind at large $N_c$?
• Study of $\eta (1475)$ and $X(1835)$ in radiative $J/\psi$ decays to $\gamma \varphi$
• Chiral Nonet Mixing in ${\eta }^{\prime }\to \eta \pi \pi$ Decay
• Meson decay in a corrected $3_0^P$ model
• On nature of the scalar-isoscalar mesons in the uniformizing-variable method based on analyticity and unitarity
• Decays of the vector glueball
• Measurements of psi'-> pbar K+ sigma0 and chi_cj->pbar K+ Lambda
• The $\varphi (2170)$ production in the process $\gamma p\to \eta \varphi p$
• Analysis on the composite nature of the light scalar mesons $f_0(980)$ and $a_0(980)$
• The f0(1370) controversy from dispersive meson-meson scattering data analyses
• Form factors and transverse charge and magnetization densities in the hard-wall AdS/QCD model
• Holographic QCD predictions for production and decay of pseudoscalar glueballs
• Cross section measurement of $e^{+}{e}^{-}\to K_S^0{K}_L^0$ at $\sqrt{s}=2.00-3.08\mathrm{GeV}$
• Revisiting the pseudoscalar meson and glueball mixing and key issues in the search for pseudscalar glueball state
• The structure, mixing angle, mass and couplings of the light scalar $f_0(500)$ and $f_0(980)$ mesons
• The semileptonic baryonic decay $D_s^{+}\to p\bar{p}{e}^{+}{\nu }_e$
• Observation of the decay ${\overline{B}}_s^0\to \psi (2S)K^{+}{\pi }^{-}$
• Partial wave analysis of J/ψ\to γϕϕ
• New hadron configuration: The double-gluon hybrid state
• Studying $X(2100)$ hadronic decays and predicting its pion and kaon induced productions
• Possible $J^{PC}=0^{+-}$ Exotic State
• Strong decays of radially excited mesons in a chiral approach
• $a_0(980)$-meson twist-2 distribution amplitude within the QCD sum rules and investigation of $D\to a_0(980)(\to \eta \pi )e^{+}{\nu }_e$
• Decay modes of the excited pseudoscalar glueball
• Search for the tensor glueball
• Production of $N^{\ast }(1535)$ and $N^{\ast }(1650)$ in ${\Lambda }_c\to {\bar{K}}^0\eta p$ $(\pi N)$ decay
• The electromagnetic multipole moments of the charged open-flavor $Z_{\bar{c}q}$ states
• Asymptotic regime for hadron-hadron diffractive collisions at ultrahigh energies
• Phenomenology of $J^{PC}=3^{--}$ tensor mesons
• SUSY with R-symmetry: confronting EW precision observables and LHC constraints
• Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom
• Strong isospin symmetry breaking in light scalar meson production
• Study of chiral symmetry restoration in linear and nonlinear O(N) models using the auxiliary field method
• $B^{\ast }{B}^{\ast }\rho$ vertex from QCD sum rules
• The radial Regge trajectories and leptonic widths of the isovector mesons
• Identifying Glueball at 3.02 GeV in Baryonic $B$ Decays
• Phenomenological studies on the $B_{d,s}^0\to J/\psi f_0(500)[f_0(980)]$ decays
• Photoproduction of the $f_2^{\prime }(1525)$ and $K_2^{\ast }(1430)$
• Photoproduction of the $f_2(1270)$ resonance
• Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at $\sqrt{s}=2.125$ GeV
• Flavor-dependent U(3) Nambu Jona Lasinio coupling constant
• Dynamics of the quark-antiquark interaction and the universality of Regge trajectories
• The fate of the critical endpoint at large $N_c$
• On Vector Meson Masses in a Holographic SQCD
• Analysis of rescattering effects in $3\pi$ final states
• Inclusive K0SK0S resonance production in ep collisions at HERA
• Observation of $J/\psi \to \gamma \eta {\pi }^0$
• Search for the glueball content of hadrons in gamma p interactions at GlueX
• Radiative Meson and Glueball Decays in the Witten-Sakai-Sugimoto Model
• Tri-meson bound state $BB{B}^{\ast }$ via delocalized $\pi$~Bond
• Strong coupling constants and radiative decays of the heavy tensor mesons
• Are the XYZ states unconventional states or conventional states with unconventional properties?
• Probing the substructure of $f_0(1370)$
• Double Exotic States Productions in Pion and Kaon Induced Reactions
• Parity doubling from Weinberg sum rules
• Reconciling the X(2240) with the Y(2175)
• Exploring the meson spectrum with twisted mass lattice QCD
• Analysis of the X(1835) and related baryonium states with Bethe-Salpeter equation
• Analysis of the radiative decays among the charmonium states
• Light double-gluon hybrid states from QCD sum rules
• Tests on the molecular structure of $f_2(1270)$, $f_2^{\prime }(1525)$ from $\psi (nS)$ and ${\rm Y}(nS)$ decays
• The three-pion decays of the $a_1(1260)$
• ${\pi }^{-}p\to {\eta }^{(\prime )}{\pi }^{-}p$ in the double-Regge region
• QCD quark cyclobutadiene and light tetraquark spectrum
• Resonance $X(5568)$ as an exotic axial-vector state
• Low-lying Scalars in an extended Linear $\sigma$ Model
• The sigma meson from QCD sum rules for large-$N_c$ Regge spectra
• Observation of ${\Lambda }_c^{+}\to \Lambda a_0(980{)}^{+}$ and Evidence for $\Sigma (1380{)}^{+}$ in ${\Lambda }_c^{+}\to \Lambda {\pi }^{+}\eta$
• Inverse Mass Hierarchy of Light Scalar Mesons Driven by Anomaly-Induced Flavor Breaking
• Observation of the $B_s^0\to J/\psi \varphi \varphi$ decay
• Hunting for a scalar glueball in exclusive B decays
• Towards reconciling the holographic and lattice descriptions of radially excited hadrons
• Proximity of $f_0(1500)$ and $f_0(1710)$ to the scalar glueball
• Soft wall model with inverse exponential profile as a model for the axial and pseudoscalar mesons
• Analysis of the nonet scalar mesons as tetraquark states with new QCD sum rules
• The molecular nature of some exotic hadrons
• Study of ${\rm Y}(1S)$ Radiative Decays to $\gamma {\pi }^{+}{\pi }^{-}$ and $\gamma K^{+}{K}^{-}$
• Hybrid exotic meson with J^{PC}=1^{-+} in AdS/QCD
• Masses and widths of scalar-isoscalar multi-channel resonances from data analysis
• Probing an axial-vector tetraquark $Z_s$ via its semileptonic decay $Z_s\to X(4274)\overline{l}{\nu }_l$
• The role of $a_1(1260)$ in ${\pi }^{-}p\to a_1^{-}(1260)p$ and ${\pi }^{-}p\to {\pi }^{-}{\rho }^{0}p$ reactions near threshold
• Properties of hadrons in a chiral model with (axial-)vector mesons
• Strong and Electromagnetic Decays of X(1835) as a Baryonium State
• Observation of the Higgs Boson of strong interaction via Compton scattering by the nucleon
• The ${\pi }^0-\eta -{\eta }^{\prime }$ mixing in a generalized multi-quark interaction scheme
• Can parameters of f_0-mesons be determined correctly analyzing only pion-pion scattering?
• Exotic tetraquark states with $J^{PC}=0^{+-}$
• Ordinary and exotic mesons in the extended Linear Sigma Model
• The strong decays of the light scalar mesons $f_0(500)$ and $f_0(980)$
• On the two-body decay processes of the predicted three-body $K^{\ast }(4307)$ resonance
• Holographically emulating sequential versus instantaneous disappearance of vector mesons in a hot environment
• Glueballs and the Pomeron
• Scalar mesons in the chiral theory with quark degrees of freedom
• The new $a_1(1420)$ state: structure, mass and width
• Extended soft wall model with background related to features of QCD thermodynamics
• Determination of the compositeness of resonances from decays: the case of the $B_s^0\to J/\psi f_1(1285)$
• Probing $|V_{cs}|$ and lepton flavor universality through $D\to K_0^{\ast }(1430)\ell {\nu }_{\ell }$ decay
• Roles of the $N(1535)$ and $a_0(980)$ in the process ${\Lambda }_c^{+}\to {\pi }^{+}\eta n$
• Gluon string breaking and meson spectrum in the holographic Soft Wall model
• Mass Formula for Light Nonstrange Mesons and Regge Trajectories in Quark Model
• Computation of pion and kaon heavy ion multiplicities in a gluon-meson model
• Decay of vector-vector resonances into $\gamma$ and a pseudoscalar meson
• Scalar Meson Photoproduction
• Delta resonances, quark models, chiral symmetry and AdS/QCD
• Relativistic Friedrichs-Lee model and quark-pair creation model
• Decay of the pseudoscalar glueball and its first excited state into scalar and pseudoscalar mesons and their first excited states
• Precision spectroscopy with COMPASS and the observation of a new iso-vector resonance
• Strong decays $B_{s0}\to B_s\pi$ and $B_{s1}\to B_s^{\ast }\pi$ with light-cone QCD sum rules
• Fully-strange tetraquark states with the exotic quantum numbers $J^{PC}=0^{+-}$ and $2^{+-}$
• The finite-width Laplace sum rules for $0^{++}$ scalar glueball in instanton liquid model
• Glueball-meson molecules
• Chiral Nonet Mixing in $\pi K$ Scattering
• Hadronic decays of the (pseudo-)scalar charmonium states ${\eta }_c$ and ${\chi }_{c0}$ in the extended Linear Sigma Model
• Quark-antiquark states of the lightest scalar mesons within the Nambu-Jona-Lasinio model with flavor-dependent coupling constants
• Abelian Decomposition and Glueball-Quarkonium Mixing in QCD
• Electromagnetic axial anomaly in a generalized linear sigma model
• The electromagnetic multipole moments of the possible charm-strange pentaquarks in light-cone QCD
• Light double-gluon hybrid states with the exotic quantum numbers $J^{PC}=1^{-+}$ and $3^{-+}$
• Constraints imposed by the partial wave amplitudes on the decays of $J=1,2$ mesons
• Two- and three-body structure of the Y(4660)
• Role of the $f_1(1285)$ state in the $J/\psi \to \varphi \bar{K}{K}^{\ast }$ and $J/\psi \to \varphi f_1(1285)$ decays
• Interpretation of K+K0bar pair production in pp collisions
• Faddeev fixed center approximation to $\pi \bar{K}{K}^{\ast }$ system and the ${\pi }_1(1600)$
• The ground states and the first radially excited states of D-wave vector $\rho$ and $\varphi$ mesons
• Hybrid meson masses and the correlated Gaussian basis
• Role of U${}_A$(1) breaking term in dynamical chiral symmetry breaking of chiral effective theories
• Glueballs and vector mesons at NICA
• Electromagnetic couplings of radially excited light vector mesons from QCD sum rules
• Phenomenology of the pseudoscalar glueball with a mass of 2.6 GeV
• Spin-1 Glueballs in the Witten-Sakai-Sugimoto Model
• Spinless mesons and glueballs mixing patterns in SU(3) flavor limit
• Search for the $X(2370)$ and observation of ${\eta }_c\to \eta \eta {\eta }^{\prime }$ in $J/\psi \to \gamma \eta \eta {\eta }^{\prime }$
• Linear radial Regge trajectories for mesons with any quark flavor
• Large-$N_c$ masses of light mesons from QCD sum rules for non-linear radial Regge trajectories
• Roles of the scalar $f_0(500)$ and $f_0(980)$ in the process $D^0\to {\pi }^0{\pi }^0{\bar{K}}^0$
• Prospects for detecting the hidden-strange pentaquarklike state $N^{\ast }(2080)$ in the ${\pi }^{-}p\to \varphi n$ reaction
• Systematic analysis of the mass spectra of triply heavy baryons
• Exact relativistic Green's functions for the time-independent potentials
• Perturbative QCD analysis of neutral $B$-meson decays into $\sigma \sigma ,\sigma f_0$ and $f_0{f}_0$
• Light-Front Quantization and AdS/QCD: An Overview
• Search for a promising tetraquark candidate $X(ud\bar{s}\bar{s})$ in $pn\to \Lambda \Lambda X$
• Exclusive photon-fusion production of even-spin resonances and exotic QED atoms in high-energy hadron collisions
• Further study of $D_s^{+}$ decays into ${\pi }^{-}{\pi }^{+}{\pi }^{+}$
• Connections between chiral Lagrangians and QCD sum-rules
• The effect of higher dimensional QCD operators on the spectroscopy of bottom-up holographic models
• Glueball masses and Regge trajectories for the QCD-inspired potential
• Effective chiral restoration in the rho'-meson in lattice QCD
• Lagrangian alternative to QCD string
• Some indication for a missing chiral partner eta_4 around 2 GeV
• Low-mass enhancement of kaon pairs in $B^{+}\to {\bar{D}}^{(\ast )0}{K}^{+}{\bar{K}}^0$ and $B^0\to D^{(\ast )-}{K}^{+}{\bar{K}}^0$ decays
• Chiral phase transition with mixing between scalar quarkonium and tetraquark
• The 12 GeV JLab Upgrade Project
• Comparative study of the scalar- and tensor-meson production in the reaction $\gamma {\gamma }^{\ast }(Q^2)\to \eta {\pi }^0$
• Scalar Mesons and glueballs in $Dp-Dq$ hard-wall models
• KKbar molecules with momentum-dependent interactions
• Light Scalar Mesons in Central Production at COMPASS
• Quark and glue spectroscopy of scalars and pseudoscalars in SU(3) flavor limit
• Veneziano like amplitude as a test for AdS/QCD models
• X(2370) glueball-like particle productions in $e^{+}{e}^{-}$ collisions at the BESIII energy and in pp collisions at the LHC energy with PACIAE model
• Proton-proton, pion-proton and pion-pion diffractive collisions at ultra-high energies
• Enhancement near the $\bar{p}\Lambda$ threshold in the ${\chi }_{c0}\to \bar{p}{K}^{+}\Lambda$ reaction
• Where is the pseudoscalar glueball ?
• Vacuum properties of open charmed mesons in a chiral symmetric model
• Proposal to look for the anomalous isotopic symmetry breaking in central diffractive production of the $f_1(1285)$ and $a_0^0(980)$ resonances at the LHC
• $VP\gamma$ radiative decay of resonances dynamically generated from the vector meson-vector meson interaction
• Scalar Mesons and FAIR
• Production of a tensor glueball in the reaction $\gamma \gamma \to G_2{\pi }^0$ at large momentum transfer
• Dynamical $\mathbf{O}(4)$-Symmetry in the Light Meson Spectrum within the Framework of the Regge Approach
• Chiral Nonet Mixing in $\pi \eta$ Scattering
• Nonlocal gluon condensates in QCD sum rules
• A multiquark approach to excited hadrons and Regge trajectories
• Dynamical picture for the exotic XYZ states
• Elliptical flow coalescence to identify the $f_0$(980) content
• Probing scalar meson structures in ${\chi }_{c1}$ decays into pseudoscalar and scalar
• Illuminating hadron structure by scattering light on light
• The large-Nc limit of borelized spectral sum rules and the slope of radial Regge trajectories
• Study of $e^{+}{e}^{-}\to \eta \varphi$ via Initial State Radiation at Belle
• $S$-wave contributions to the $B_{(s)}\to {\chi }_{c1}(\pi \pi ,K\pi ,KK)$ decays
• $\bar{K}$ induced formation of the $f_0(980)$ and $a_0(980)$ resonances on proton targets
• Investigating photoproduction of scalar mesons at medium energies
• ${\mathrm{f}}_0(980)$ production in inelastic pp collisions at $\sqrt{s}=5.02$ TeV
• Elliptic anisotropy measurement of the f${}_0$(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition
• Search for the process $e^{+}{e}^{-}\to J/\psi +X(1835)$ at $\sqrt{s}\approx 10.6$GeV
• Theoretical study in the ${\bar{B}}^0\to J/\psi {\bar{K}}^{\ast 0}{K}^0$ and ${\bar{B}}^0\to J/\psi f_1(1285)$ decays
• Semileptonic $B^{-}\to f_0(1710,1500,1370)e^{-}{\bar{\nu }}_e$ decays
• Reply to comment on "Two-photon decay of the sigma meson"
• Amplitude analysis of the $D^{+}\to {\pi }^{-}{\pi }^{+}{\pi }^{+}$ decay and measurement of the ${\pi }^{-}{\pi }^{+}$ S-wave amplitude
• Scalar glueball in a soft-wall model of AdS/QCD
• Resonances f0(1370), f0(1500) and f0(1710) within the extended Linear Sigma Model
• Double-gluon charmonium hybrid states with various (exotic) quantum numbers
• The case of equivalence of low and high energy constraints on Regge vector spectrum in AdS/QCD
• Hadronic decay $D^{+}\to {\pi }^{+}\eta \eta$ and the $a_0(980)$ and $f_0(1370)$ contributions
• Can one measure C-odd asymmetry in e+e- --> pi+pi-
• The Relativistic Cornell-type Mechanism of Exotic Scalar Resonances
• Effective potential between two transverse gluons from lattice QCD
• Impressions of the Meson Spectrum: Hybrids & Exotics, present and future
• Search for light tetraquark states in ${\rm Y}(1S)$ and ${\rm Y}(2S)$ decays
• Decay Widths of X(1835) as Nucleon-Antinucleon Bound State
• Triangle mechanism in the decay process $B_0\to J/\psi K^0{f}_0(980)(a_0(980))$
• Application of the Covariant Spectator Theory to the study of heavy and heavy-light mesons
• Partial Wave Analysis at BESIII
• Central soft production of hadrons in $pp$ collisions
• Hadron physics with KLOE-2
• Analysis of the $X(1835)$ as a baryonium state with Bethe-Salpeter equation
• AdS/QCD, Light-Front Holography, and the Nonperturbative Running Coupling
• The linear radial spectrum of scalar mesons within the QCD sum rules in the planar limit
• Contribution of exclusive $({\pi }^0{\pi }^0,{\pi }^0\eta ,\eta \eta )\gamma$ channels to the leading order HVP of the muon $g-2$
• The rho -> gamma pi and omega -> gamma pi decays in quark-model approach and estimation of coupling for pion emission by quark
• Fully heavy tetraquark states with a diquark-antidiquark configuration
• Top-down Holographic Glueball Decay Rates
• Excited vector mesons: phenomenology and predictions for a yet unknown vector $s\bar{s}$ state with a mass of about 1.93 GeV
• Glueballs from bound state equations
• Searching for $a_0(980)$-meson parton distribution function
• Meson Spectroscopy at COMPASS
• Mass Spectrum of Non-Charmed and Charmed Meson States in Extended Linear-Sigma Model
• Study of the light scalar $a_0(980)$ through the decay $D^0\to a_0(980{)}^{-}{e}^{+}{\nu }_e$ with $a_0(980{)}^{-}\to \eta {\pi }^{-}$
• Study of light-meson resonances decaying to $K_{\mathrm{S}}^{0}K\pi$ in the $B\to (K_{\mathrm{S}}^{0}K\pi )K$ channels
• Diquark correlations in baryons: the Interacting Quark Diquark Model
• Recent Results on Spectroscopy from COMPASS
• Baryons and baryoniums in the perspective of QCD sum rules
• Dynamical transition between two mesons and a tetraquark
• Low-lying exotic mesons in the coupled-channel formalism
• The $B^{-}\to J/\psi {\eta }^{\prime }{K}^{-}$ reaction and the $Y(4710)$ and $K_0^{\ast }(1430)$ contributions
• The experimental observation of $a_0(1710)$: Long awaited from Regge approach
• Spectral-statistics properties of the experimental and theoretical light baryon and meson spectra
• Production of Tensor Glueball in Ultraperipheral $pp$, $AuAu$ and $PbPb$ Collisions
• Spectral-statistics properties of the experimental and theoretical light meson spectra
• Dispersive determination of resonances from $\pi \pi$ scattering data
• Selected topics on Hadrons in Nuclei
• Strong interaction between kaons in the reactions e+ e- --> K+ K- gamma and e+ e- --> K0 K0bar gamma
• Role of $a_0(1710)$ in the $J/\psi \to {\rho }^{+}{\rho }^{-}\omega$ and $J/\psi \to \gamma {\rho }^0\omega$ reactions
• Derivation of Meson Masses in SU(3) and SU(4) Extended Linear-Sigma Model at Finite Temperature
• The Fragmented Glueball: A Personal View
• The spectrum of light isovector mesons with $C=+1$ from the COMPASS experiment
• Contributions of $K_0^{\ast }(1430)$ and $K_0^{\ast }(1950)$ in the charmed three-body $B$ meson decays
• Decays of the f0(1370) scalar glueball candidate in pp Central Exclusive Production (CEP) and in antiproton annihilations at rest
• Hadron resonances generated from the dynamics of the lightest scalar ones
• X, Y and Z States
• Nucleon mass: trace anomaly and $\sigma$-terms
• Study of $f_1(1420)$ and $\eta (1405)$ in the decay $J/\psi \to \gamma {\pi }^0{\pi }^0{\pi }^0$
• On incorporation of heavy-quark mass into soft-wall holographic models
• Discovery of XYZ particles at the BESIII Experiment
• Abnormal Bound Systems
• Contributions of the subprocess $K_0^{\ast }(1430)\to K{\eta }^{\prime }$ in the charmless three-body $B$ meson decays
• On the scalar $\pi K$ form factor beyond the elastic region
• Quenched glueball spectrum from functional equations
• Search for the $Y(2175)$ in the photoproduction cross section measurement of $\gamma p\to \varphi {\pi }^{+}{\pi }^{-}p$ at GlueX
• The flavor universality of some mass splittings in hadrons