Charmonium

Abstract

Topics in the description of the properties of charmonium states are reviewed with an emphasis on specific theoretical ideas and methods of relating those properties to the underlying theory of Quantum Chromodynamics.

67 pages, 10 figures, To be published in Prog. Part. Nucl. Phys

References in corpus (98)

• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• The Cosmological Parameters 2006
• Rigorous QCD Analysis of Inclusive Annihilation and Production of Heavy Quarkonium
• Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays
• Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
• Observation of a Broad Structure in the ${\pi }^{+}{\pi }^{-}J/\psi$ Mass Spectrum around 4.26 GeV/$c^2$
• 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 $\sqrt{s}=1.96 \TeV$
• 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
• Study of the B- --> J/psi K- pi+ pi- Decay and Measurement of the B- --> X(3872) K- Branching Fraction
• Properties of heavy quarkonia and B_c mesons in the relativistic quark model
• Short Range Structure in the X(3872)
• Observation of Two Resonant Structures in e+e- to pi+ pi- psi(2S) via Initial State Radiation at Belle
• The static potential in QCD to two loops
• Observation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays
• The D*0 D0bar threshold resonance
• 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
• Quarkonium Interactions in Hadronic Matter
• The static quark-antiquark potential in QCD to three loops
• Interference and binding effects in decays of possible molecular component of X(3872)
• Measurements of the Cross Section for e+e- -> hadrons at Center-of-Mass Energies from 2 to 5 GeV
• The X(3872) boson: Molecule or charmonium
• Charmonium Decays of $Y(4260), psi(4160), and psi(4040)
• Observation of a new charmonium state in double charmonium production in e+ e- annihilation at \sqrt{s} ~ 10.6 GeV
• Gluonic charmonium resonances at BaBar and Belle?
• Four Quark Interpretation of Y(4260)
• Analysis of the Quantum Numbers $J^{PC}$ of the X(3872) Particle
• The infrared behaviour of the static potential in perturbative QCD
• Confirmation of the Y(4260) Resonance Production in ISR
• The Possible Interpretations of Y(4260)
• Coupled-channel model for charmonium levels and an option for X(3872)
• Heavy Mesons In A Relativistic Model
• 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
• Suppressed decay into open charm for the Y(4260) being an hybrid
• Reconciling the X(3872) with the near-threshold enhancement in the D^0\bar{D}^{*0} final state
• New states above charm threshold
• Charmed Mesic Nuclei: Bound D and $\bar{D}$ states with ^{208}Pb
• Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma
• Charmless Final States and S--D-wave mixing in the ${\psi }^{\prime \prime }$
• Reinterpreting several narrow `resonances' as threshold cusps
• Heavy Quark Vacuum Polarisation to Three Loops
• B-Meson Gateways to Missing Charmonium Levels
• Charm and Bottom Quark Masses from Perturbative QCD
• On Studying Charm in Nuclei through Antiproton Annihilation
• J/psi and eta_c in the nuclear medium: QCD sum rule approach
• Calculation of Quarkonium Spectrum and $m_b,m_c$ to Order ${\alpha }_s^4$
• Four-loop moments of the heavy quark vacuum polarization function in perturbative QCD
• Observation of h_c(^1P_1) State of Charmonium
• Observation of eta_c^{prime} Production in gamma gamma Fusion at CLEO
• Photoproduction of Charmonia and Total Charmonium-Proton Cross Sections
• Study of the X(3872) and Y(4260) in B0-->J/psi pi+ pi- K0 and B-->J/psi pi+ pi- K- decays
• Search for a Charged Partner of the X(3872) in the B Meson Decay B --> X- K, X- --> J/psi pi- pi0
• Measurements of the braching fractions for psi(3770)--> D0D0-bar,D+D-,DD-bar$ and the resonance parameters of psi(3770) and psi(2S)
• Mass modification of D-meson in hot hadronic matter
• Measurements of the mass and width of the eta_c meson and of an eta_c(2S) candidate
• Decays of the X(3872) and ${\chi }_{c1}(2P)$ charmonium
• Charmonium's K2 peak
• Heavy quark spin selection rule and the properties of the X(3872)
• Exclusive Production of the X(3872) in B Meson Decay
• Observation of psi(3770)--> pi pi J/psi and Measurement of Gamma_{ee}[psi(2S)]
• D mesons in matter and the in-medium properties of charmonium
• Evidence of psi(3770) non-DD-bar Decay to J/psi pi+pi-
• Psi(2S) -> pi^+ pi^- J/psi Decay Distributions
• QCD sum rules for J/psi in the nuclear medium: calculation of the Wilson coefficients of gluon operators up to dimension 6
• The interaction of slow J/psi and psi' with nucleons
• Charmonium absorption by nucleons
• $J/\psi$-Nucleon Scattering Length and In-medium Mass Shift of $J/\psi$ in QCD Sum Rule Analysis
• Properties of charmed and bottom hadrons in nuclear matter: A plausible study
• Measurement of sigma(e^+e^- --> psi(3770) --> hadrons) at E_{cm}=3773 MeV
• Observation of psi(3770) --> gamma chi_c0
• A Precision Determination of the D^0 Mass
• Psi'' decays to charmless final states
• Branching Fractions for psi(2S) to J/psi Transitions
• Quarkonium-Hadron Interactions in Perturbative QCD
• X(3872) diagnostics with decays to D {\bar D} γ
• Isospin properties of the X state near the D {\bar D}^{*} threshold
• $X(3872)\to D\bar{D}\gamma$ decays and the structure of X(3872)
• Measurement of the B^+/B^0 Production Ratio from the Upsilon(4S) Meson using B^+ -> J/psi K^+ and B^0 -> J/psi K^{0}_{S} Decays
• Measurement of the Direct Photon Momentum Spectrum in Upsilon(1S), Upsilon(2S), and Upsilon(3S) Decays
• Precison Measurements of the Mass, the Widths of $\psi (3770)$ Resonance and the Cross Section $\sigma [e^{+}{e}^{-}\to \psi (3770)]$ at $E_{\mathrm{cm}}=3.7724$ GeV
• Observation of Thirteen New Exclusive Multi-Body Hadronic Decays of the $\psi (2S)$
• Two-pion transitions in quarkonium revisited
• Angular distributions in $J/\psi (\rho ,\omega )$ states near threshold
• Variation of the relative yield of charged and neutral B mesons across the Upsilon(4S) resonance
• The $\bar{c}c$ purity of $\psi (3770)$ and ${\psi }^{\prime }$ challenged
• Measurement of the Branching Fractions for J/psi to ell^+ ell^-
• Possible new resonance at the $D^{\ast }{\bar{D}}^{\ast }$ threshold in $e^{+}{e}^{-}$ annihilation
• Quarkonium chromo-polarizability from the decays $J/\psi ({\rm Y})\to \pi \pi {\ell }^{+}{\ell }^{-}$
• Heavy quark induced effective action for gauge fields in the SU(N_c) x U(1) model and the low-energy structure of heavy quark current correlators
• Isospin breaking in the yield of heavy meson pairs in e+e- annihilation near threshold
• Low-energy gluon contributions to the vacuum polarization of heavy quarks
• The XYZs of Charmonium at BES
• $e^{+}{e}^{-}\to \gamma X(3872)$ near the $D^{\ast }{\bar{D}}^{\ast }$ threshold
• Charmonium Cross Sections and the QGP
• The enhancement of the decay Upsilon(1D) -> eta Upsilon(1S) by the axial anomaly in QCD
• Effect of changes in meson properties in a nuclear medium - $J/\Psi$ dissociation in nuclear matter, and meson-nucleus bound states
• Hadrons with charmed quarks in matter

Cited by in corpus (319)

• Heavy quarkonium: progress, puzzles, and opportunities
• The hidden-charm pentaquark and tetraquark states
• The $XYZ$ states: experimental and theoretical status and perspectives
• Heavy-Quark QCD Exotica
• An updated review of the new hadron states
• Observation of two charged bottomonium-like resonances in Y(5S) decays
• QCD and strongly coupled gauge theories: challenges and perspectives
• Electron-Ion Collider in China
• A review of the open charm and open bottom systems
• Forces inside hadrons: pressure, surface tension, mechanical radius, and all that
• New Charmonium States in QCD Sum Rules: a Concise Review
• Exotic Hadrons with Heavy Flavors -X, Y, Z and Related States-
• Couplings in coupled channels versus wave functions: application to the X(3872) resonance
• Implications of LHCb measurements and future prospects
• Spectrum of heavy baryons in the quark model
• STCF Conceptual Design Report: Volume 1 -- Physics & Detector
• Decay and Detection of a Light Scalar Boson Mixing with the Higgs
• Study of doubly heavy tetraquarks in Lattice QCD
• Analysis of the X(3872), Z_c(3900) and Z_c(3885) as axial-vector tetraquark states with QCD sum rules
• A New Picture for the Formation and Decay of the Exotic $XYZ$ Mesons
• Hadronic molecule structure of the Y(3940) and Y(4140)
• Formation of hidden-charm pentaquarks in photon-nucleon collisions
• A non-relativistic model for the $[cc][\bar{c}\bar{c}]$ tetraquark
• Heavy-flavored tetraquark states with the $QQ\bar{Q}\bar{Q}$ configuration
• Evidence for X(3872) from DD* scattering on the lattice
• Possible assignments of the $X(3872)$, $Z_c(3900)$ and $Z_b(10610)$ as axial-vector molecular states
• Isospin breaking effects in the X(3872) resonance
• Radiative transitions from Upsilon(5S) to molecular bottomonium
• ${\Lambda }_{c}N$ bound states revisited
• Effect of charmed meson loops on charmonium transitions
• Precise predictions of charmed-bottom hadrons from lattice QCD
• Charmonium spectrum and their electromagnetic transitions with higher multipole contributions
• X(3872) as a hadronic molecule and its decays to charmonium states and pions
• Reanalysis of the $Y(3940)$, $Y(4140)$, $Z_c(4020)$, $Z_c(4025)$ and $Z_b(10650)$ as molecular states with QCD sum rules
• Could the near-threshold $XYZ$ states be simply kinematic effects?
• Analysis of the $Z_c(4020)$, $Z_c(4025)$, $Y(4360)$ and $Y(4660)$ as vector tetraquark states with QCD sum rules
• QCD Sum Rules Approach to the $X,Y$ and $Z$ States
• Efimov States in Nuclear and Particle Physics
• Lattice QCD and QCD Sum Rule determination of the decay constants of eta_c, J/psi and hc states
• X(3872) as a molecular DD* state in a potential model
• Singly and Doubly Charmed J=1/2 Baryon Spectrum from Lattice QCD
• Z_c(3900) - what is inside?
• Properties of $Q\bar{Q}$ mesons in non-relativistic QCD formalism
• Heavy tetraquarks in the relativistic quark model
• Mass spectra and Regge trajectories of ${\Lambda }_c^{+}$, ${\Sigma }_c^0$, ${\Xi }_c^0$ and ${\Omega }_c^0$ Baryons
• $Y(4260)$ as the first $S$-wave open charm vector molecular state?
• Excited State Mass spectra of doubly heavy baryons ${\Omega }_{cc}$, ${\Omega }_{bb}$ and ${\Omega }_{bc}$
• Determination of spin and parity of the $Z_c(3900)$
• $Q\bar{Q}$ ($Q\in \{b,c\}$) spectroscopy using Cornell potential
• J/psi gamma and psi(2S) gamma decay modes of the X(3872)
• Constituent quark model description of charmonium phenomenology
• Implications of heavy quark spin symmetry on heavy meson hadronic molecules
• Exotic mesons with double charm and bottom flavor
• On LHCb pentaquarks as a baryon-psi(2S) bound state -- prediction of isospin 3/2 pentaquarks with hidden charm
• Nuclear-bound quarkonia and heavy-flavor hadrons
• Tetraquark interpretation of the BELLE data on the anomalous ${\rm Y}(1S){\pi }^{+}{\pi }^{-}$ and ${\rm Y}(2S){\pi }^{+}{\pi }^{-}$ production near the ${\rm Y}(5S)$ resonance
• Excited State Mass spectra and Regge trajectories of Bottom Baryons
• Excited State Mass spectra of Singly Charmed Baryons
• Interplay of quark and meson degrees of freedom in a near-threshold resonance
• Excited state mass spectra of doubly heavy $\Xi$ baryons
• Employing spin symmetry to disentangle different models for the XYZ states
• Amplitude analysis of e+e- => Y(nS)pi+pi- at sqrt(s)=10.865 GeV
• Narrow Nucleon-$\psi (2S)$ Bound State and LHCb Pentaquarks
• Exotic nuclei with open heavy flavor mesons
• Y(4260): hadronic molecule versus hadro-charmonium interpretation
• Lattice QCD study of the radiative decays $J/\psi \to {\eta }_c\gamma$ and $h_c\to {\eta }_c\gamma$
• Strong $Z_c^{+}(3900)\to J/\psi {\pi }^{+};{\eta }_c{\rho }^{+}$ decays in QCD
• Y(4140): Possible options
• Hidden-charm and bottom tetra- and pentaquarks with strangeness in the hadro-quarkonium and compact tetraquark models
• New LHCb pentaquarks as hadrocharmonium states
• Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement
• Charmonium potential from full lattice QCD
• J/Psi mass shift in nuclear matter
• Properties of $Q\bar{Q}$ $(Q\epsilon b,c)$ mesons in Coulomb plus Power potential
• First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) -> Y(nS) pi0 pi0
• Exotic mesons with hidden bottom near thresholds
• Mass and decay constant of the newly observed exotic $X(5568)$ state
• Stability of tetrons
• Novel Method for Precisely Measuring the $X(3872)$ Mass
• Analysis of the scalar and axial-vector heavy diquark states with QCD sum rules
• Charmonium spectroscopy and mixing with light quark and open charm states from nF=2 lattice QCD
• Nonrelativistic Treatment of Fully-Heavy Tetraquarks as Diquark-Antidiquark States
• X(3872) and its production at hadron colliders
• Heavy quark dynamics for charm and bottom flavor on Fermi surface at zero temperature
• X(3872) is not a true molecule
• Long-range properties of $1S$ bottomonium states
• Spectroscopy and Decay properties of the charmonium
• Production of doubly charmed tetraquarks with exotic color configurations in electron-positron collisions
• The baryo-quarkonium picture for hidden-charm and bottom pentaquarks and LHCb $P_{\mathrm{c}}(4380)$ and $P_{\mathrm{c}}(4450)$ states
• Central exclusive production within the Durham model: a review
• Nonrelativistic model of tetraquarks and predictions for their masses from fits to charmed and bottom meson data
• $\bar{\mathrm{D}}$ and $\mathrm{B}$ mesons in nuclear medium
• The QCD Dynamics of Tetraquark Production
• $J/\Psi$-nuclear bound states
• Accessing the real part of the forward $J/\psi$-p scattering amplitude from $J/\psi$ photo-production on protons around threshold
• The evasion of helicity selection rule in ${\chi }_{c1}\to VV$ and ${\chi }_{c2}\to VP$ via intermediate charmed meson loops
• Improved determination of Heavy Quarkonium magnetic dipole transitions in pNRQCD
• On the scattering of D and D* mesons off the X(3872)
• Radiative transitions of heavy quarkonium states
• The 2^-+ assignment for the X(3872)
• Novel analysis of the decays psi' -> h_c pi^0 and eta_c'-> chi_{c0} pi^0
• More hidden heavy quarkonium molecules and their discovery decay modes
• Width of the exotic $X_b(5568)$ state through its strong decay to $B_s^0{\pi }^{+}$
• Could $Z_c(3900)$ be a $I^G{J}^P=1^{+}{1}^{+}$ $D^{\ast }\bar{D}$ molecular state?
• The bound state problem of S-wave heavy quark meson-aitimeson systems
• Heavy quark symmetry and weak decays of the $b$-baryons in pentaquarks with a $c\bar{c}$ component
• Exotic baryons from a heavy meson and a nucleon - Positive parity states -
• Surveying exotic pentaquarks with the typical $QQqq\bar{q}$ configuration
• Further study of the helicity selection rule evading mechanism in ${\eta }_c$, ${\chi }_{c0}$ and $h_c$ decaying to baryon anti-baryon pairs
• Pentaquarks with hidden charm as hadroquarkonia
• Production of $Y(4260)$ as a hadronic molecule state of $\bar{D}{D}_1+c.c.$ in $e^{+}{e}^{-}$ annihilations
• Charmed partner of the exotic $X(5568)$ state and its properties
• Hidden-charm and radiative decays of the Z(4430) as a hadronic D_1 \bar{D^\ast} bound state
• Investigating possible decay modes of $Y(4260)$ under the $D_1(2420)\bar{D}+c.c$ molecular state ansatz
• Heavy quark spin symmetry breaking in near-threshold $J^{PC}=1^{--}$ quarkonium-like resonances
• Spectroscopy of Exotic Hadrons Formed from Dynamical Diquarks
• Spectroscopy behavior of fully heavy tetraquarks
• ${\rm Y}$ photo-production on the proton at the Electron-Ion Collider
• Four-quark states from functional methods
• Non-linear Regge trajectories with AdS/QCD
• Charmonium states in QCD-inspired quark potential model using Gaussian expansion method
• Triply heavy tetraquark states with the $QQ\bar{Q}\bar{q}$ configuration
• Tetraquarks in large-$N_c$ QCD
• Heavy Baryons and their Exotics from Instantons in Holographic QCD
• ${\rm Y}(4S,5S)\to {\rm Y}(1S)\eta$ transitions in the rescattering model and the new BaBar measurement
• Analysis of Y(4660) and related bound states with QCD sum rules
• X(3872) and the bound state problem of $D^0{\bar{D}}^{\ast 0}$ (${\bar{D}}^0{D}^{\ast 0}$) in a chiral quark model
• Suppression of the S-wave production of (3/2)^+ + (1/2)^- heavy meson pairs in e^+e^- annihilation
• Strange hadrocharmonium
• Magnetic and quadrupole moments of the $Z_c(3900)$
• Spectrum of strange singly charmed baryons in the constituent quark model
• Measurement of ψ(3770) parameters
• Vector tetraquark state candidates: $Y(4260/4220)$, $Y(4360/4320)$, $Y(4390)$ and $Y(4660/4630)$
• Electromagnetic multipole moments of the $P_c^{+}(4380)$ pentaquark in light-cone QCD
• Bottomonium-like states: physics case for energy scan above the $B\bar{B}$ threshold at Belle-II
• $X(3872)$ as a four-quark state in a Dyson-Schwinger/Bethe-Salpeter approach
• Two-Photon Widths of the chi_cJ States of Charmonium
• Another tetraquark structure in the ${\pi }^{+}{\chi }_{c1}$ invariant mass distribution
• First observation of the hadronic transition ${\rm Y}(4S)\to \eta h_b(1P)$ and new measurement of the $h_b(1P)$ and ${\eta }_b(1S)$ parameters
• Recent Results in Bottomonium
• Application of the QCD light cone sum rule to tetraquarks: the strong vertices $X_b{X}_b\rho$ and $X_c{X}_c\rho$
• Mass Spectra and Decay Properties of Singly Heavy Bottom-Strange Baryons
• Spectrum of nonstrange singly charmed baryons in the constituent quark model
• Decay rates of charmonia within a quark-antiquark confining potentials
• $D\bar{D}$ production and their interactions
• Hadronic effects on the $cc\bar{q}\bar{q}$ tetraquark state in relativistic heavy ion collisions
• Spectroscopy of ${\Omega }_{ccb}$ baryon in Hypercentral Quark Model
• Spectroscopy of all charm tetraquark states
• A Reappraisal on Dark Matter Co-annihilating with a Top/Bottom Partner
• Spectroscopic Investigation of Light Strange S=-1 $\Lambda$, $\Sigma$ and S=-2 $\Xi$ Baryons
• Is $Z_{cs}(3982)$ a molecular partner of $Z_c(3900)$ and $Z_c(4020)$ states?
• Tetraquark Cusp Effects from Diquark Pair Production
• Potential description of charmonium and charmed-strange mesons from lattice QCD
• Holographic Heavy-Light Chiral Effective Action
• $J/\psi$ Production by Magnetic Excitation of ${\eta }_c$
• Spectroscopy of Light Baryons: $\Delta$ Resonances
• Status of quarkonia - like negative and positive parity states in a relativistic confinement scheme
• Two-Photon, Two-gluon and Radiative Decays of Heavy Flavoured Mesons
• Open charm effects in $e^{+}{e}^{-}\to J/\psi \eta$, $J/\psi {\pi }^0$ and $\varphi {\eta }_c$
• Hadronic decays of a light Higgs-like scalar
• Free energy versus internal energy potential for heavy quark systems at finite temperature
• Open charm-bottom scalar tetraquarks and their strong decays
• Modeling Charmonium-$\eta$ Decays of $J^{PC}=1^{--}$ Higher Charmonia
• Cross section line shape of $e^{+}{e}^{-}\to {\chi }_{c0}\omega$ around the $Y(4260)$ mass region
• Effective field theories for van der Waals interactions
• Mass spectrum of the scalar hidden charm and bottom tetraquark states
• Next-to-next-to-leading-order QCD corrections to ${\chi }_{c0,2}\to \gamma \gamma$
• Mass spectrum of the axial-vector hidden charmed and hidden bottom tetraquark states
• Heavy Exotic Molecules with Charm and Bottom
• Where are $3P$ and higher $P-$wave states in the charmonium family?
• Heavy-Light Mesons in Chiral AdS/QCD
• Heavy and Strange Holographic Baryons
• Heavy Holographic Exotics: Tetraquarks as Efimov States
• Hadronic molecules for charmed and bottom baryons near thresholds
• Triply heavy $QQ\bar{Q}\bar{q}$ tetraquark states
• Masses and decay constants of the heavy tensor mesons with QCD sum rules
• Observation of Upsilon(2S) -> eta Upsilon(1S) and search for related transitions
• Broadening Dark Matter Searches at the LHC: Mono-X versus Darkonium Channels
• Y(4260) --> gamma + X(3872) in the diquarkonium picture
• Mass spectrum of the vector hidden charm and bottom tetraquark states
• Spectroscopic properties of $\Delta$ Baryons
• Hunting for the $X_b$ via hidden bottomonium decays
• Reanalysis of the mass spectrum of the scalar hidden charm and hidden bottom tetraquark states
• Two-photon widths of the ${\chi }_{c0,2}$ states and helicity analysis for $χ_{c2}\arγγ$}
• Magnetic dipole moment of $Z_b(10610)$ in light-cone QCD
• Probing the nature of $Y(4260)$ and $Z_c(3900)$ in the isospin violating process $Y(4260)\to J/\psi \eta {\pi }^0$
• $Z_c(4100)$ and $Z_c(4200)$ as hadrocharmonium
• ${\eta }_{\mathrm{c}}$- and $J/\psi$-isoscalar meson bound states in the hadro-charmonium picture
• Relativistic description of asymmetric fully heavy tetraquarks in the diquark-antidiquark model
• Quarkonium propagation in the quark gluon plasma
• Nonleptonic $B\to D^{(\ast )}{D}_{sJ}^{(\ast )}$ decays and the nature of the orbitally excited charmed-strange mesons
• Hidden-flavour four-quark states in the charm and bottom region
• Evidence for ${\eta }_c\to \gamma \gamma$ and Measurement of $J/\psi \to 3\gamma$
• Novel implementation of the multipole expansion to quarkonium hadronic transitions
• Femtoscopy of the Origin of the Nucleon Mass
• ${\eta }_c$-nucleus bound states
• A Study of Excited ${\Omega }_b^{-}$ States in Hypercentral Constituent Quark Model via Artificial Neural Network
• Triangle singularity appearing as an $X(3872)$-like peak in $B\to (J/\psi {\pi }^{+}{\pi }^{-})K\pi$
• The ${\gamma }^{\ast }{\gamma }^{\ast }\to {\eta }_c(1S,2S)$ transition form factors for spacelike photons
• Strategies for an accurate determination of the X(3872) energy from QCD lattice simulations
• Holographic stability for non-$q\bar{q}$ candidates
• Diabatic description of bottomoniumlike mesons
• Hadronic D and D_s Meson Decays
• Study of $\eta$ and dipion transitions in ${\rm Y}(4S)$ decays to lower bottomonia
• The possibility of $X(4014)$ as a $D^{\ast }{\bar{D}}^{\ast }$ molecular state
• Flavor-singlet charm pentaquark
• The electromagnetic multipole moments of the charged open-flavor $Z_{\bar{c}q}$ states
• \boldmath{${\rm Y}$} and \boldmath{${\eta }_b$} mass shifts in nuclear matter
• Mass-Spectroscopy of hidden charm and hidden strange tetraquarks in diquark-antidiquark approach
• Evidence for $Z_c^{\pm }$ decays into the ${\rho }^{\pm }{\eta }_c$ final state
• Hadronic transitions from Upsilon(4S) as a probe of four-quark admixture
• Disentangling different structures in heavy-light four-quark states
• Exploring the ${\rm Y}(4S,5S,6S)\to h_b(1P)\eta$ hidden-bottom hadronic transitions
• Instanton effects on the heavy-quark static potential
• Exotic pentaquark states with the $qqQQ\bar{Q}$ configuration
• The impact of $S$-wave thresholds $D_{s1}{\bar{D}}_s+c.c.$ and $D_{s0}{\bar{D}}_s^{\ast }+c.c.$ on vector charmonium spectrum
• Analysis of the heavy tensor meson's strong decay with QCD sum rules
• Investigation of Mass and Decay Characteristics of the All-light Tetraquark
• On the Role of Charmed Meson Loops in Charmonium Decays
• Charmonium Spectral Functions and Transport Properties of Quark-Gluon Plasma
• Gluo-dissociation of Heavy Quarkonium in the Quark-Gluon Plasma Revisited
• Radiative and pionic transitions $Z_c(4020{)}^0\to X(3872)\gamma$ and $Z_c(4020{)}^{\pm }\to X(3872){\pi }^{\pm }$
• Determination of $J/\psi$ chromoelectric polarizability from lattice data
• Hyperfine splitting and the experimental candidates for η_b(2S)
• Analysis of the pseudoscalar partner of the Y(4660) and related bound states
• Renormalization approach to constituent quark models of Quarkonium
• Tetraquark states in the bottom sector and the status of the $Y_b$(10890) state
• Self-consistent $M1$ radiative transitions of excited $B_c$ and heavy quarkonia with different polarizations in the light-front quark model
• Charmonium: Conventional and $XYZ$ States in a Relativistic Screened Potential Model
• Annihilation Rates of Heavy $1^{--}$ S-wave Quarkonia in Salpeter Method
• Light Cone Distribution Amplitudes of Excited P-Wave Heavy Quarkonia at the Leading Twist
• Status and Prospects of Exotic Hadrons at Belle II
• Observation of the B${}_{\mathrm{s}}^0$ $\to$ X(3872)$\varphi$ decay
• On tetraquarks with hidden charm and strangeness as phi-psi(2S) hadrocharmonium
• Revisiting the radiative decays $J/\psi \to \gamma {\eta }^{(\prime )}$ in perturbative QCD
• Unified covariant treatment of hyperfine splitting for heavy and light mesons
• Resonance $X(5568)$ as an exotic axial-vector state
• ${\rm Y}(1S)$ $\to$ $B_c\pi$, $B_{c}K$ decays with perturbative QCD approach
• Analysis of the radiative decays among the charmonium states
• Decays of Pentaquarks in Hadrocharmonium and Molecular Pictures
• Chromopolarizabilities of bottomonia from the ${\rm Y}(2S,3S,4S)\to {\rm Y}(1S,2S)\pi \pi$ transitions
• Spectroscopic Study of ${\Omega }_{cc}$, ${\Omega }_{cb}$ and ${\Omega }_{bb}$ Baryons
• Diresonance in production and scattering of heavy mesons
• Improved measurements of two-photon widths of the ${\chi }_{cJ}$ states and helicity analysis for ${\chi }_{c2}\to \gamma \gamma$
• Instanton effects on charmonium states
• Isospin violating decay of $\psi (3770)\to J/\psi +{\pi }^0$
• $K^0\Lambda$ and $D^{-}{\Lambda }_c^{+}$ production induced by pion beams off the nucleon
• Revisiting the $P$-wave charmonium radiative decays $h_c\to \gamma {\eta }^{(\prime )}$ with relativistic corrections
• Strong decay constants of heavy tensor mesons in light cone QCD sum rules
• Single eta production in heavy quarkonia: breakdown of multipole expansion
• Puzzles in charmonium decays
• $J/\psi$ $\to$ $DP$, $DV$ decays in the QCD factorization approach
• The role of electromagnetic interaction in the $X(3872)$ and its analogs
• Magnetic moment of $X_Q$ state with $J^{PC}=1^{+\pm }$ in light cone QCD sum rules
• Study of the Hadronic Transitions ${\rm Y}$(2S)$\to (\eta ,{\pi }^0){\rm Y}$(1S) at Belle
• Bottom-Hadron Mass Splittings from Static-Quark Action on 2+1-Flavor Lattices
• Open charm and bottom meson-nucleon potentials à la nuclear force
• Decay Properties of Conventional and Hybrid Charmonium Mesons
• Revisiting radiative decays of $1^{+-}$ heavy quarkonia in the covariant light-front approach
• Hunting for $X_b$ via hidden bottomonium decays $X_b\to \pi \pi {\chi }_{bJ}$
• Measurement of the branching fraction for $\psi (3770)\to \gamma {\chi }_{c0}$
• Results in $B_s$ physics and bottomonium spectroscopy using the Belle ${\rm Y}(5S)$ data
• Measurement of $e^{+}{e}^{-}\to \Lambda \bar{\Lambda }\eta$ from 3.5106 to 4.6988 GeV and study of $\Lambda \bar{\Lambda }$ mass threshold enhancement
• Two- and three-body structure of the Y(4660)
• The electromagnetic multipole moments of the possible charm-strange pentaquarks in light-cone QCD
• Study on the radiative decays of $h_c$ via intermediate meson loops model
• Analysis of the radiative decays among the bottomonium states
• QCD analysis of electromagnetic Dalitz decays $J/\psi \to {\eta }^{(\prime )}{\ell }^{+}{\ell }^{-}$
• The process $e^{+}{e}^{-}\to \pi \pi X(3823)$ in the soft pion limit
• Tetraquark mass relations in quark and diquark models
• Radiative decays of the p-wave charmed heavy baryons
• The $\varphi NN,J/\psi NN,{\eta }_{c}NN$ systems based on HAL QCD interactions
• Observation of the charmonium decay ${\eta }_c\to \gamma \gamma$ in $J/\psi \to \gamma {\eta }_c$
• Gluons, Light and Heavy Quarks in the Instanton Vacuum
• Measurement of $\mathcal{B}(\psi (3770)\to \gamma {\chi }_{c1})$ and search for $\psi (3770)\to \gamma {\chi }_{c2}$
• Experimental review of the ${\rm Y}(1S,2S,3S)$ physics at $e^{+}{e}^{-}$ colliders and the LHC
• Analysis of the decays ${\psi }^{\prime }\to J/\psi {\pi }^{+}{\pi }^{-}$ and ${\eta }_c^{\prime }\to {\eta }_c{\pi }^{+}{\pi }^{-}$ with the heavy quark symmetry
• Observation of the helicity-selection-rule suppressed decay of the ${\chi }_{c2}$ charmonium state
• Pion transitions from χ_{cJ} to η_c
• Radiative decays of the heavy tensor mesons in light cone QCD sum rules
• Spectroscopy of heavy-heavy flavour mesons and annihilation widths of quarkonia
• Deciphering the mechanism of $J/\psi$-nucleon scattering
• Investigation of Mass and Decay Characteristics of the Light-Strange Tetraquark
• Predictions for Bottomonium from a Relativistic Screened Potential Model
• Relativistic two-body calculation of $b\bar{b}$-mesons radiative decays
• Pole trajectories from $S$- and $P$-wave $D{\bar{D}}^{\ast }$ interactions
• Study of the hidden charm pentaquarks ${\Lambda }_{c\bar{c}}$ above $4$ GeV
• A study of meson-meson potential in the chiral quark model
• Heavy-heavy and heavy-light mesons in cold nuclear matter
• How Often Do Diquarks Form? A Very Simple Model
• Properties of charmonia in a hot equilibrated medium
• Test of the nonrelativistic $c\bar{c}$ potential
• Quark spin structures of bottom-charmed threshold molecular states
• Observation of muonic Dalitz decays of ${\chi }_b$ mesons and precise spectroscopy of hidden-beauty states
• Remarks on decays of h_b(2P)
• $B_c^{\pm }$-${}^{12}$C states and detailed study of momentum space method for ${\rm Y}$- and ${\eta }_b$-nucleus bound states
• Form factors of tetraquarks
• Two charmoniumlike charged axial resonances near 3885 MeV
• Mass spectrum, magnetic moments and Regge trajectories of ${\Omega }_{ccb}$ and ${\Omega }_{cbb}$ baryons in the nonrelativistic quark--diquark model
• Mass spectra and transition magnetic moments of low lying charmed baryons in a quark model
• The nature of near-threshold XYZ states
• Search for the $B_c^{+}\to {\chi }_{c1}(3872){\pi }^{+}$ decay
• Melting of heavy quarkonia in QGP using deep neural networks
• Study of the $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\omega$ process at center-of-mass energies between 4.0 and 4.6 GeV
• Radiative transitions among the vector and scalar heavy quarkonium states with covariant light-front quark model
• Gauge invariant formulation of 3$\gamma$ decay of particle-antiparticle bound states
• On enhanced corrections from quasi-degenerate states to heavy quarkonium observables
• Chromopolarizability of charm-beauty quarkonium from $B_c(2S)\to B_c\pi \pi$ transition
• Study of the rare decay $J/\psi \to {\mu }^{+}{\mu }^{-}{\mu }^{+}{\mu }^{-}$
• Open charm scenarios
• Search for the decay $B_s^0\to J/\psi {\pi }^0$ at Belle experiment
• The scalar and pseudoscalar hidden-charm tetraquark states with QCD sum rules
• Role of electromagnetic corrections in the $\pi \pi$ distributions of ${\psi }^{\prime }\to J/\psi \pi \pi$
• Spectroscopy and Radiative Decays of ${\Omega }_{ccc}$ and ${\Omega }_{bbb}$ Baryons in a Quark-Diquark Model
• Mass-Spectroscopy of [$bb][\bar{b}\bar{b}$] and [$bq][\bar{b}\bar{q}$] tetraquark states in a diquark-antidiquark formalism
• Radiative transitions of charmonium states in the covariant confined quark model
• Medium modifications of $1P$-wave charmonia ${\chi }_{cJ}(1P)$ in cold nuclear matter
• Low-energy scattering of the $J/\psi \pi$ and $J/\psi K$ system
• Exotic hadrons associated with $b$-quark