Multiquark Resonances

Abstract

Multiquark resonances are undoubtedly experimentally observed. The number of states and the amount of details on their properties has been growing over the years. It is very recent the discovery of two pentaquarks and the confirmation of four tetraquarks, two of which had not been observed before. We mainly review the theoretical understanding of this sector of particle physics phenomenology and present some considerations attempting a coherent description of the so called X and Z resonances. The prominent problems plaguing theoretical models, like the absence of selection rules limiting the number of states predicted, motivate new directions in model building. Data are reviewed going through all of the observed resonances with particular attention to their common features and the purpose of providing a starting point to further research.

Version published on Physics Reports

References in corpus (335)

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• A new look at scalar mesons
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• Observation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays
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• Exotic QQ\qbar\qbar States in QCD
• Fine Structure of the QCD String Spectrum
• The New Pentaquarks in the Diquark Model
• Hadro-Charmonium
• Observation of a near-threshold enhancement in the e+e- -->Lambda_c+Lambda_c- cross section using initial-state radiation
• The Physics of Glueballs
• Coulomb Gauge QCD, Confinement, and the Constituent Representation
• Heavy quark spin structure in Z_b resonances
• Precise measurement of the $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}J/\psi$ cross section at center-of-mass energies from 3.77 to 4.60 GeV
• A Theory of Scalar Mesons
• Low-energy Universality and the New Charmonium Resonance at 3870 MeV
• Interference and binding effects in decays of possible molecular component of X(3872)
• The Pentaquark Candidates in the Dynamical Diquark Picture
• J/psi (psi') production at the Tevatron and LHC at O(α_s^4v^4) in nonrelativistic QCD
• 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)
• 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?
• The Production and Decay of Hybrid Mesons by Flux-Tube Breaking
• Four-Quark Hadrons: an Updated Review
• Four Quark Interpretation of Y(4260)
• Observation of two resonance-like structures in the pi+ chi_c1 mass distribution in exclusive B0-bar --> K- pi+ chi_c1 decays
• Analysis of the Quantum Numbers $J^{PC}$ of the X(3872) Particle
• Observation of $J/\psi \varphi$ structures consistent with exotic states from amplitude analysis of $B^{+}\to J/\psi \varphi K^{+}$ decays
• Pion Interactions in the X(3872)
• Is the X(3872) Production Cross Section at Tevatron Compatible with a Hadron Molecule Interpretation?
• Measurements of e+e- -> K+K-eta, K+K-pi0 and KsK+pi- Cross Sections Using Initial State Radiation Events
• Observation of $e^{+}{e}^{-}\to \gamma X(3872)$ at BESIII
• Measurement of Prompt Charm Meson Production Cross Sections in p anti-p Collisions at s**(1/2) = 1.96 TeV
• Evidence for the decay X(3872) --> J/psi omega
• Confirmation of the Y(4260) Resonance Production in ISR
• Is X(3872) {\sl Really} a Molecular State?
• Ab Initio Study of Hybrid b-bar-gb Mesons
• The Possible Interpretations of Y(4260)
• Born-Oppenheimer Approximation for the XYZ Mesons
• Diagnostic Decays of the X(3872)
• Exotic hadrons: review and perspectives
• X(3872): Hadronic Molecules in Effective Field Theory
• Evidence for X(3872) --> psi(2S) gamma in B+/- --> X(3872) K+/- decays, and a study of B --> ccbar gamma K
• Hybrid and Conventional Mesons in the Flux Tube Model: Numerical Studies and their Phenomenological Implications
• Bounds on the width, mass difference and other properties of X(3872) --> pi+pi-J/psi decays
• Observation of a new charged charmoniumlike state in B -> J/psi K pi decays
• 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
• Towards the glueball spectrum from unquenched lattice QCD
• The $e^{+}{e}^{-}\to 2({\pi }^{+}{\pi }^{-}){\pi }^0$, 2(π^+π^-)η$,$K^+ K^-π^+π^-π^0$and$K^+ K^-π^+π^-η$ Cross Sections Measured with Initial-State Radiation
• Search for new charmonium states in the processes e+ e- --> J/psi D(*) D(*) at sqrt{s} ~ 10.6 GeV
• Tetraquark Mesons in Large $N$ Quantum Chromodynamics
• Observation of anomalous Upsilon(1S)pi+pi- and Upsilon(2S)pi+pi- production near the Upsilon(5S) resonance
• Observation of X(3872) production in pp collisions at sqrt(s)= 7 TeV
• Experimental constraints on the spin and parity of the Z(4430)+
• A New Picture for the Formation and Decay of the Exotic $XYZ$ Mesons
• Search for the Z(4430)^- at BABAR
• Observation of Y(3940) -> J/psi omega in B -> J/psi omega K at BABAR
• Evidence for the decay $X(3872)\to \psi (2S)\gamma$
• Evidence for a $B_s^0{\pi }^{\pm }$ State
• Hadronic molecule structure of the Y(3940) and Y(4140)
• Model-independent evidence for $J/\psi p$ contributions to ${\Lambda }_b^0\to J/\psi p{K}^{-}$ decays
• Formation of hidden-charm pentaquarks in photon-nucleon collisions
• Gluon excitations of the static quark potential and the hybrid quarkonium spectrum
• Production of the X(3872) at the Tevatron and the LHC
• Evidence for exotic hadron contributions to ${\Lambda }_b^0\to J/\psi p{\pi }^{-}$ decays
• Observation of a new D_sJ meson in B+->D0BD0K+ decays
• First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)
• Study of Resonances in Exclusive B Decays to Dbar(*)D(*)K
• Measurement of the X(3872) production cross section via decays to J/psi pi pi in pp collisions at sqrt(s) = 7 TeV
• Bound state nature of the exotic Z_b states
• Observation of $X(3872)\to J/\psi \gamma$ and search for $X(3872)\to {\psi }^{\prime }\gamma$ in B decays
• Evidence for X(3872) from DD* scattering on the lattice
• Observation of a peaking structure in the J/psi phi mass spectrum from B(+/-) to J/psi phi K(+/-) decays
• Hybrid mesons from quenched QCD
• Observation of a charmonium-like enhancement in the gamma gamma --> omega J/psi process
• Dalitz analysis of B --> K pi psi' decays and the Z(4430)+
• Measurement of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\psi (2S)$ via Initial State Radiation at Belle
• Line Shapes of the X(3872)
• Charmed Tetraquarks Tcc and Tcs from Dynamical Lattice QCD Simulations
• Potential model calculations and predictions for heavy quarkonium
• Four-quark spectroscopy within the hyperspherical formalism
• Amplitude analysis of $B^{+}\to J/\psi \varphi K^{+}$ decays
• Production of the X(3872) in charmonia radiative decays
• $Z_b$ and $Z_c$ Exotic States as Coupled Channel Cusps
• Photoproduction of hidden charm pentaquark states $P_c^{+}(4380)$ and $P_c^{+}(4450)$
• Study of $e^{+}{e}^{-}\to \omega {\chi }_{cJ}$ at center-of-mass energies from 4.21 to 4.42 GeV
• Measurement of the Dipion Mass Spectrum in X(3872) -> J/Psi Pi+ Pi- Decays
• A J^PG=1++ Charged Resonance in the Y(4260) to pi+pi- J/psi Decay?
• Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma
• Evidence for a new resonance and search for the Y(4140) in $\gamma \gamma \to \varphi J/\psi$
• QCD radiative corrections to ${\chi }_{cJ}$ production at hadron colliders
• An explanation of Belle states Z_b(10610) and Z_b(10650)
• Interpretation of the X(3872) as a charmonium state plus an extra component due to the coupling to the meson-meson continuum
• 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
• Quarkonium Hybrids with Nonrelativistic Effective Field Theories
• Observation of $Z_c(3900{)}^0$ in $e^{+}{e}^{-}\to {\pi }^0{\pi }^{0}J/\psi$
• Observation of $e^{+}{e}^{-}\to {\pi }^0{\pi }^0{h}_c$ and a neutral charmoniumlike structure $Z_c(4020{)}^0$
• Could the near-threshold $XYZ$ states be simply kinematic effects?
• Study of the $B\to X(3872)(\to D^{\ast 0}{\bar{D}}^0)K$ decay
• How the Z_c(3900) Reveals the Spectra of Quarkonium Hybrid and Tetraquark Mesons
• QCD Sum Rules for the X(3872) as a mixed molecule-charmoniun state
• Measurement of Charm Production Cross Sections in e+e- Annihilation at Energies between 3.97 and 4.26 GeV
• Charmed Baryonium
• Lattice QCD signal for a bottom-bottom tetraquark
• Z_c(3900) - what is inside?
• Evidence that the Y(4660) is a f_0(980)psi' bound state
• Is X(3872) a possible candidate of hybrid meson
• Quantum numbers of the $X(3872)$ state and orbital angular momentum in its ${\rho }^{0}J\psi$ decay
• The $Z_b(10610)$ and $Z_b(10650)$ as axial-vector tetraquark states in the QCD sum rules
• Study of the Exclusive Initial-State Radiation Production of the $D\bar{D}$ System
• Evidence for diquarks in lattice QCD
• A study of B->X(3872) K, with X(3872)->J/Psi pi+ pi-
• Tetraquark Interpretation of the Charged Bottomonium-like states Z_b^+-(10610) and Z_b^+-(10650) and Implications
• Precision Measurement of the X(3872) Mass in J/psi pi+ pi- Decays
• Search for the X(4140) state in B+->J/psi phi K+ decays with the D0 detector
• Evidence for the existence of $ud\bar{b}\bar{b}$ and the non-existence of $ss\bar{b}\bar{b}$ and $cc\bar{b}\bar{b}$ tetraquarks from lattice QCD
• $Y(4260)$ as the first $S$-wave open charm vector molecular state?
• Study of the reaction e^{+}e^{-} -->J/psiπ^{+}π^{-} via initial-state radiation at BaBar
• Compact pentaquark structures
• Confirming the molecular nature of the $Z_b(10610)$ and the $Z_b(10650)$
• Quark structure of the $X(3872)$ and ${\chi }_b(3P)$ resonances
• 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
• Heavy quarkonium hybrids from Coulomb gauge QCD
• Interplay of quark and meson degrees of freedom in a near-threshold resonance: multi-channel case
• Narrow Tetraquarks at Large N
• $Z_c(3900)$: what has been really seen?
• Where is the χ_{c0}(2P)?
• Implications of heavy quark spin symmetry on heavy meson hadronic molecules
• Tetraquark state candidates: $Y(4260)$, $Y(4360)$, $Y(4660)$ and $Z_c(4020/4025)$
• Study of X(3915) --> J/ψω in two-photon collisions
• Confirmation of a charged charmoniumlike state $Z_c(3885{)}^{\mp }$ in $e^{+}{e}^{-}\to {\pi }^{\pm }(D{\bar{D}}^{\ast }{)}^{\mp }$ with double $D$ tag
• A case for hidden $b\bar{b}$ tetraquarks based on $e^{+}{e}^{-}\to b\bar{b}$ cross section between $\sqrt{s}=10.54$ and 11.20 GeV
• Measurement of the e+e- --> b anti-b cross section between sqrt(S)=10.54 and 11.20 GeV
• Observation of the $Y(4140)$ structure in the $J/\psi \varphi$ Mass Spectrum in $B^{\pm }\to J/\psi \varphi K$ cays
• Search for structure in the $B_s^0{\pi }^{\pm }$ invariant mass spectrum
• Evidence of a new narrow resonance decaying to ${\chi }_{c1}\gamma$ in $B\to {\chi }_{c1}\gamma K$
• Exotic Hadrons with Hidden Charm and Strangeness
• Higher Tetraquark Particles
• Heavy quark spin selection rule and the properties of the X(3872)
• Three-body $D\bar{D}\pi$ dynamics for the X(3872)
• 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
• Study of e+e- => B(*) B(*)-bar pi+- at sqrt(s)=10.866 GeV
• ${\chi }_{c0}^{}(3915)$ As the Lightest $c\bar{c}s\bar{s}$ State
• How Resonances can synchronise with Thresholds
• Employing spin symmetry to disentangle different models for the XYZ states
• Y(4260) and Y(4360) as mixed hadrocharmonium
• Exclusive Production of the X(3872) in B Meson Decay
• Observation of a neutral charmoniumlike state $Z_c(4025{)}^0$ in $e^{+}{e}^{-}\to (D^{\ast }{\bar{D}}^{\ast }{)}^0{\pi }^0$
• Studying the P_c(4450) resonance in J/psi photoproduction off protons
• Search for the X(4140) state in B+ to J/psi phi K+ decays
• Mass spectra of Zc and Zb exotic states as hadron molecules
• Amplitude analysis and the nature of the Zc(3900)
• Amplitude analysis of e+e- => Y(nS)pi+pi- at sqrt(s)=10.865 GeV
• Are there compact heavy four-quark bound states?
• Remarks on pole trajectories for resonances
• Observation of a Neutral Structure near the $D{\bar{D}}^{\ast }$ Mass Threshold in $e^{+}{e}^{-}\to (D{\bar{D}}^{\ast }{)}^0{\pi }^0$ at $\sqrt{s}$ = 4.226 and 4.257 GeV
• Remarks on the $P_c$ structures and triangle singularities
• Y(4260): hadronic molecule versus hadro-charmonium interpretation
• Measurement of the e+e- --> D0D*-pi+ cross section using initial-state radiation
• Issues and Opportunities in Exotic Hadrons
• Strong $Z_c^{+}(3900)\to J/\psi {\pi }^{+};{\eta }_c{\rho }^{+}$ decays in QCD
• Y(4140): Possible options
• Hybridized Tetraquarks
• Measurements of $\psi (2S)$ and $X(3872)\to J/\psi {\pi }^{+}{\pi }^{-}$ production in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
• Indications of a Four-Quark Structure for the X(3872) and X(3876) Particles from Recent Belle and BABAR Data
• Interpreting the $X(5568)$
• The observation of light nuclei at ALICE and the X(3872) conundrum
• Tetraquark bound states in the heavy-light heavy-light system
• Introduction to Lattice QCD
• Hadro-quarkonium from Lattice QCD
• Interplay of quark and meson degrees of freedom in near-threshold states: A practical parametrisation for line shapes
• Lineshapes for composite particles with unstable constituents
• Tetraquark spectroscopy
• The light scalar mesons as tetraquarks
• Charmonium spectroscopy above thresholds
• First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) -> Y(nS) pi0 pi0
• Observation of the Decay B=> J/psi eta K and Search for X(3872)=> J/psi eta
• Observation of ψ(4040) and ψ(4160) decay into ηJ/ψ
• Doubly Charmed Tetraquarks in B_c and Xi_bc Decays
• Chromomagnetism, flavour symmetry breaking and S-wave tetraquarks
• A Mechanism for Hadron Molecule Production in p pbar(p) Collisions
• Hidden-Beauty Charged Tetraquarks and Heavy Quark Spin Conservation
• $X(4140)$, $X(4270)$, $X(4500)$ and $X(4700)$ and their $cs\bar{c}\bar{s}$ tetraquark partners
• X(3872) and its production at hadron colliders
• How the X(5568) challenges our understanding of QCD
• Remarks on the quantum numbers of X(3872) from the invariant mass distributions of the rho J/psi and omega J/psi final states
• Production of Tetraquarks at the LHC
• Is the X(3915) the chi_{c0}(2P)?
• General considerations on the nature of $Z_b(10610)$ and $Z_b(10650)$ from their pole positions
• Interpretation of Axial Resonances in J/psi-phi at LHCb
• Why Hybrid Meson Coupling to Two S-wave Mesons is Suppressed
• Exotic Heavy Quarkonium Spectroscopy: A Mini-review
• Estimating the Production Rate of Loosely-bound Hadronic Molecules using Event Generators
• Pentaquarks and resonances in the $pJ/\psi$ spectrum
• Zc(4200)+ decay width as a charmonium-like tetraquark state
• The QCD Dynamics of Tetraquark Production
• Search for the $Z_1(4050{)}^{+}$ and $Z_2(4250{)}^{+}$ states in ${\bar{B}}^0\to {\chi }_{c1}{K}^{-}{\pi }^{+}$ and $B^{+}\to {\chi }_{c1}{K}_S^0{\pi }^{+}$
• Determining the upper limit of Gamma_{ee} for the Y(4260)
• Observation of $e^{+}{e}^{-}\to \omega {\chi }_{c1,2}$ near $\sqrt{s}$ = 4.42 and 4.6 GeV
• Quark mass dependence of the X(3872) binding energy
• Study of B{+-,0} --> J/ψ K+ K- K{+-,0} and search for B0 --> J/ψ ϕ at BABAR
• Observation of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0{\chi }_{bJ}$ and search for $X_b\to \omega {\rm Y}(1S)$ at $\sqrt{s}\sim 10.867$ GeV
• Do $c\bar{c}n\bar{n}$ bound states exist?
• Are There Tetraquarks at Large $N_c$ in QCD(F)?
• Production of the bottom analogues and the spin partner of the X(3872) at hadron colliders
• The 2^-+ assignment for the X(3872)
• Observation of B+ -> psi(3770) K+
• Charged charmonium-like Z+(4430) from rescattering in conventional B decays
• Dalitz plot distributions in presence of triangle singularities
• Observation of the h_c(1P) using e^+e^- collisions above DDbar threshold
• Ordinary and Extraordinary Hadrons
• Using Line Shapes to Discriminate between Binding Mechanisms for the X(3872)
• Spectra and decays of hybrid charmonia
• Evidence for resonant structures in e+e- to pi+pi-h_c
• Interpretations for the X(4160) observed in the double charm production at B factories
• A model-independent confirmation of the $Z(4430{)}^{-}$ state
• Hadronic Loops versus Factorization in EFT calculations of $X(3872)\to {\chi }_{cJ}{\pi }^0$
• Probing the nature of Z_c states via the eta_c rho decay
• Heavy quark symmetry and weak decays of the $b$-baryons in pentaquarks with a $c\bar{c}$ component
• Large-N Structure of Tetraquark Mesons
• Updated Cross Section Measurement of $e^{+}{e}^{-}\to K^{+}{K}^{-}J/\psi$ and $K_S^0{K}_S^{0}J/\psi$ via Initial State Radiation at Belle
• Search for isotensor exotic meson and twist 4 contribution to ${\gamma }^{\ast }\gamma \to \rho \rho$
• Production of charged heavy quarkonium-like states at the LHC and the Tevatron
• Non-ordinary light meson couplings and the $1/N_c$ expansion
• Heavy Hybrids with Constituent Gluons
• Hybrid Charmonium Production in B Decays
• Observation of e+e- to K+K-J/psi via Initial State Radiation at Belle
• Exclusive Production of $D_s^{+}{D}_s^{-}$, $D_s^{\ast +}{D}_s^{-}$, and $D_s^{\ast +}{D}_s^{\ast -}$ via $e^{+}{e}^{-}$ Annihilation with Initial-State-Radiation
• The string-junction picture of multiquark states: an update
• Colour Fields Computed in SU(3) Lattice QCD for the Static Tetraquark System
• Search for exclusive photoproduction of Z${}_c^{\pm }$(3900) at COMPASS
• Measurements of the ${\rm Y}(10860)$ and ${\rm Y}(11020)$ resonances via $\sigma (e^{+}{e}^{-}\to {\rm Y}(n\mathrm{S}){\pi }^{+}{\pi }^{-})$
• Systematic study of $Z_c^{+}$ family from quark model's perspective
• More loosely bound hadron molecules at CDF?
• Energy spectrum of the low-lying gluon excitations in the Coulomb gauge
• $X(3915)$ as a $D_s{\bar{D}}_s$ bound state
• Observation of ${\eta }_c(2S)\to p\bar{p}$ and search for $X(3872)\to p\bar{p}$ decays
• Tetraquarks in the 1/N expansion and meson-meson resonances
• Resonances in QCD
• Measurements of the Absolute Branching Fractions of $B^{\pm }\to K^{\pm }{X}_{c\bar{c}}$
• Charmonium meson and hybrid radiative transitions
• Search for the $X_b$ and other hidden-beauty states in the ${\pi }^{+}{\pi }^{-}{\rm Y}(1\mathrm{S})$ channel at ATLAS
• Measurements of the branching fractions of $B^{+}\to p\bar{p}{K}^{+}$ decays
• Combined fit to BaBar and Belle data on e+e- to pi+pi- psi(2S)
• Hints for the existence of hexaquark states in the baryon-antibaryon sector
• A lattice QCD study of generalized gluelumps
• From Pentaquarks to Dibaryons in Lambda_b(5620) decays
• Tetraquark Cusp Effects from Diquark Pair Production
• Quantum-Number Exotic Tetraquarks at Large $N_c$ in QCD(AS)
• Search for the $Y(4140)$ via $e^{+}{e}^{-}\to \gamma \varphi J/\psi$ at $\sqrt{s}=$ 4.23, 4.26 and 4.36 GeV
• Search for a Charmonium Assignment for the X(3872)
• Study of Three-Body Y(10860) Decays
• B_c^+- decays into tetraquarks
• An Estimate of the Partial Width for X(3872) into p p-bar
• High Spin Glueballs from the Lattice
• Observation of $X(3872)$ in $B\to X(3872)K\pi$ decays
• Exotic Hybrid Quark Potentials
• Flux Tube Zero-Point Motion, Hadronic Charge Radii, and Hybrid Meson Production Cross Sections
• Quarkonium chromo-polarizability from the decays $J/\psi ({\rm Y})\to \pi \pi {\ell }^{+}{\ell }^{-}$
• Holographic Hadro-Quarkonium
• Ultraviolet asymptotics of glueball propagators
• Search for X(3872) in gamma gamma Fusion and ISR at CLEO
• Adiabaticity and color mixing in tetraquark spectroscopy
• Recent progress on the study of the charmoniumlike states
• Precision Measurement of the Mass of the $D^{\ast 0}$ Meson and the Binding Energy of the $X(3872)$ Meson as a $D^0\overline{D^{\ast 0}}$ Molecule
• On the Spin of the X(3872)
• An Improved Limit for Gamma_ee of X(3872) and Gamma_ee Measurement of psi(3686)
• Constraints from precision measurements on the hadron-molecule interpretation of X,Y,Z resonances
• Hadron Spectroscopy - A 2005 Snapshot
• One-pion exchange in the X(3872) revisited
• How tetraquarks can generate a second chiral phase transition
• Search for Resonant $B^{\pm }\to K^{\pm }h\to K^{\pm }\gamma \gamma$ Decays at Belle
• On the constituent counting rules for hard exclusive processes involving multiquark states
• A note on the newly observed Y(4220) resonance
• ${\chi }_{c0}\omega$ production in $e^{+}{e}^{-}$ annihilation through $\psi (4160)$
• Search for $Z_c(3900{)}^{\pm }\to \omega {\pi }^{\pm }$
• Constituent counting rule for exclusive production of heavy quarkoniumlike exotic resonance and a light hadron
• XYZ Meson Spectroscopy
• On the color structure of Yang-Mills theory with static sources in a periodic box
• Two charmoniumlike charged axial resonances near 3885 MeV
• A Tentative Description of Z_c,b States in Terms of Metastable Feshbach Resonances

Cited by in corpus (542)

• Hadronic molecules
• The $XYZ$ states: experimental and theoretical status and perspectives
• Non-Standard Heavy Mesons and Baryons, an Experimental Review
• Pentaquark and Tetraquark states
• Exotics: Heavy Pentaquarks and Tetraquarks
• An updated review of the new hadron states
• Electron-Ion Collider in China
• Study of the doubly charmed tetraquark $T_{cc}^{+}$
• Heavy-quark symmetry implies stable heavy tetraquark mesons $Q_i{Q}_j{\bar{q}}_k{\bar{q}}_l$
• Threshold cusps and triangle singularities in hadronic reactions
• Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules
• A survey of heavy-heavy hadronic molecules
• STCF Conceptual Design Report: Volume 1 -- Physics & Detector
• Study of doubly heavy tetraquarks in Lattice QCD
• Heavy quark spin symmetric molecular states from ${\bar{D}}^{(\ast )}{\Sigma }_c^{(\ast )}$ and other coupled channels in the light of the recent LHCb pentaquarks
• Interpretation of the LHCb $P_c$ States as Hadronic Molecules and Hints of a Narrow $P_c(4380)$
• Exploring the molecular scenario of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Observation of a $J/\psi \Lambda$ resonance consistent with a strange pentaquark candidate in $B^{-}\to J/\psi \Lambda \bar{p}$ decays
• Diquark Correlations in Hadron Physics: Origin, Impact and Evidence
• Anatomy of the newly observed hidden-charm pentaquark states: $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• Explaining the Many Threshold Structures in the Heavy-Quark Hadron Spectrum
• Precise predictions of charmed-bottom hadrons from lattice QCD
• Exotic tetraquark states with the $qq\bar{Q}\bar{Q}$ configuration
• Masses of fully heavy tetraquarks $QQ\bar{Q}\bar{Q}$ in an extended relativized quark model
• Isospin breaking decays as a diagnosis of the hadronic molecular structure of the $P_c(4457)$
• All-heavy tetraquarks
• Lattice QCD investigation of a doubly-bottom $\bar{b}\bar{b}ud$ tetraquark with quantum numbers $I(J^P)=0(1^{+})$
• Analysis of the $QQ\bar{Q}\bar{Q}$ tetraquark states with QCD sum rules
• QCD Sum Rules Approach to the $X,Y$ and $Z$ States
• The hidden charm pentaquark states and ${\Sigma }_c{\bar{D}}^{(\ast )}$ interaction in chiral perturbation theory
• Hidden-charm pentaquarks and $P_c$ states
• A Theory of X and Z Multiquark Resonances
• Evidence for a new structure in the $J/\psi p$ and $J/\psi \bar{p}$ systems in $B_s^0\to J/\psi p\bar{p}$ decays
• Determination of the pole position of the lightest hybrid meson candidate
• Spectrum of the strange hidden charm molecular pentaquarks in chiral effective field theory
• A $bb\bar{b}\bar{b}$ di-bottomonium at the LHC?
• Towards a theory of hadron resonances
• Spectrum of the fully-heavy tetraquark state $QQ{\bar{Q}}^{\prime }{\bar{Q}}^{\prime }$
• $P_c(4457{)}^{+}$, $P_c(4440{)}^{+}$, and $P_c(4312{)}^{+}$: molecules or compact pentaquarks?
• Interpretation of the LHCb Pc(4312) Signal
• Discovery potential of stable and near-threshold doubly heavy tetraquarks at the LHC
• Hidden-charm and hidden-bottom molecular pentaquarks in chiral perturbation theory
• Coupled-channel interpretation of the LHCb double-$J/\psi$ spectrum and hints of a new state near the $J/\psi J/\psi$ threshold
• Heavy hadronic molecules with pion exchange and quark core couplings: a guide for practitioners
• A study of $cc\bar{c}\bar{c}$ tetraquark decays in 4 muons and in $D^{(\ast )}{\bar{D}}^{(\ast )}$ at LHC
• Revisiting the nature of the $P_c$ pentaquarks
• Doubly Charmed Tetraquark $T_{cc}^{+}$ from Lattice QCD near Physical Point
• Systematics of fully heavy tetraquarks
• Masses of doubly heavy tetraquarks $T_{Q{Q}^{\prime }}$ in a relativized quark model
• Implications of Heavy Quark-Diquark Symmetry for Excited Doubly Heavy Baryons and Tetraquarks
• On the nature of near-threshold bound and virtual states
• Heavy Quarkonium Hybrids: Spectrum, Decay and Mixing
• Towards a new paradigm for heavy-light meson spectroscopy
• Three-body Unitarity with Isobars Revisited
• Prospects of discovering stable double-heavy tetraquarks at a Tera-$Z$ factory
• Tetraquark operators in lattice QCD and exotic flavour states in the charm sector
• Systematics of the heavy flavor hadronic molecules
• Few-body quark dynamics for doubly-heavy baryons and tetraquarks
• Amplitude analysis and the nature of the Zc(3900)
• $X_0(2900)$ and $X_1(2900)$: hadronic molecules or compact tetraquarks
• Selected Science Opportunities for the EicC
• Deciphering the mechanism of near-threshold $J/\psi$ photoproduction
• Stable double-heavy tetraquarks: spectrum and structure
• PANDA Phase One
• A New Look at the $Y$ Tetraquarks and ${\Omega }_c$ Baryons in the Diquark Model
• Decays of $P_c$ into $J/\psi N$ and ${\eta }_{c}N$ with heavy quark spin symmetry
• On the mechanism of $T_{4c}(6900)$ tetraquark production
• Scattering amplitudes from finite-volume spectral functions
• Hadronic molecules in B decays
• Stability of tetrons
• Fully-heavy tetraquarks in strongly interacting medium
• Spectroscopy of the hidden-charm $[qc][\bar{q}\bar{c}]$ and $[sc][\bar{s}\bar{c}]$ tetraquarks
• Hidden-charm and bottom meson-baryon molecules coupled with five-quark states
• Novel Method for Precisely Measuring the $X(3872)$ Mass
• Search for $bb\bar{b}\bar{b}$ tetraquark decays in 4 muons, $B^{+}{B}^{-}$, $B^0{\bar{B}}^0$ and $B_s^0{\bar{B}}_s^0$ channels at LHC
• $Z_{cs}(3985{)}^{-}$ as the $U$-spin partner of $Z_c(3900{)}^{-}$ and implication of other states in the ${\text{SU(3)}}_F$ symmetry and heavy quark symmetry
• The Present and Future of QCD
• The nature of $X(3872)$ from high-multiplicity $pp$ collisions
• Effective range expansion for narrow near-threshold resonances
• Can the newly $P_{cs}(4459)$ be a strange hidden-charm ${\Xi }_c{\bar{D}}^{\ast }$ molecular pentaquarks?
• Evidence for an ${\eta }_c(1S){\pi }^{-}$ resonance in $B^0\to {\eta }_c(1S)K^{+}{\pi }^{-}$ decays
• Deciphering the nature of X(3872) in heavy ion collisions
• Search for beautiful tetraquarks in the ${\rm Y}(1S)\mu \mu$ invariant-mass spectrum
• Open charm and bottom tetraquarks in an extended relativized quark model
• Treating $Z_c(3900)$ and $Z(4430)$ as the ground-state and first radially excited tetraquarks
• Spectroscopy, lifetime and decay modes of the $T_{bb}^{-}$ tetraquark
• Probing hidden-charm decay properties of $P_c$ states in a molecular scenario
• The Dynamical Diquark Model: First Numerical Results
• Magnetic dipole moments of the hidden-charm pentaquark states: $P_c(4440)$, $P_c(4457)$ and $P_{cs}(4459)$
• Study of the $DK$ interaction with femtoscopic correlation functions
• Magnetic dipole moments of the $T_{cc}^{+}$ and $Z_V^{++}$ tetraquark states
• A study of the decays of $S-$wave ${\bar{D}}^{\ast }{K}^{\ast }$ hadronic molecules: the scalar $X_0(2900)$ and its spin partners $X_{J(J=1,2)}$
• Description of the ${\Xi }_c$ and ${\Xi }_b$ states as molecular states
• Nonrelativistic model of tetraquarks and predictions for their masses from fits to charmed and bottom meson data
• Spectrum of the Hidden-Bottom and the Hidden-Charm/Strange Exotics in the Dynamical Diquark Model
• QCD spin effects in the heavy hybrid potentials and spectra
• The $X_0(2900)$ and its heavy quark spin partners in molecular picture
• Spectrum and rearrangement decays of tetraquark states with four different flavors
• Systematic studies of charmonium-, bottomonium-, and $B_c$-like tetraquark states
• $P_c(4312{)}^{+}$, $P_c(4380{)}^{+}$, and $P_c(4457{)}^{+}$ as double triangle cusps
• Masses of positive- and negative-parity hadron ground-states, including those with heavy quarks
• Doubly heavy tetraquarks in an extended chromomagnetic model
• Masses and radiative decay widths of S- and P-wave singly-, doubly- and triply-heavy charm and bottom baryons
• Prediction of exotic doubly charmed baryons within chiral effective field theory
• From the lineshape of the $X(3872)$ to its structure
• Strong decays of the newly $P_{cs}(4459)$ as a strange hidden-charm ${\Xi }_c{\bar{D}}^{\ast }$ molecule
• Mass spectra of doubly heavy tetraquarks in an improved chromomagnetic interaction model
• A new look at the $P_{cs}$ states from a molecular perspective
• Novel approaches in Hadron Spectroscopy
• Strong decays of higher charmonium states into open-charm meson pairs
• Spectroscopy of ${\mathbf{B}}_{\mathbf{c}}$ mesons and the possibility of finding exotic ${\mathbf{B}}_{\mathbf{c}}$-like structures
• Construction of $bb\bar{u}\bar{d}$ tetraquark states on lattice with NRQCD bottom and HISQ up/down quarks
• Mass spectrum of the hidden-charm pentaquarks in the compact diquark model
• Nucleon-$J/\psi$ and nucleon-${\eta }_c$ scattering in $P_c$ pentaquark channels from LQCD
• Observation of the decay $X(3872)\to {\pi }^0{\chi }_{c1}(1P)$
• Hidden charm pentaquarks: mass spectrum, magnetic moments, and photocouplings
• Weak decays of the axial-vector tetraquark $T_{bb;\bar{u}\bar{d}}^{-}$
• Decoding the nature of $Z_{cs}(3985)$ and establishing the spectrum of charged heavy quarkoniumlike states in chiral effective field theory
• The Hydrogen Bond of QCD in Doubly Heavy Baryons and Tetraquarks
• ${\bar{B}}^{(\ast )}{\bar{B}}^{(\ast )}$ interactions in chiral effective field theory
• Investigation of magnetic moment of $P_{cs}(4338)$ and $P_{cs}(4459)$ pentaquark states
• An open charm tetraquark candidate: note on $X_0(2900)$
• Revisiting the $D{D}^{\ast }$ chiral interactions with the local momentum-space regularization up to the third order and the nature of $T_{cc}^{+}$
• Surveying exotic pentaquarks with the typical $QQqq\bar{q}$ configuration
• The doubly charmed pseudoscalar tetraquarks $T_{cc;\bar{s}\bar{s}}^{++}$ and $T_{cc;\bar{d}\bar{s}}^{++}$
• Compositeness of S-wave weakly-bound states from next-to-leading order Weinberg's relations
• Analysis of the hidden-charm tetraquark mass spectrum with the QCD sum rules
• Exact Symmetries and Threshold States in Two-Dimensional Models for QCD
• Solving the left-hand cut problem in lattice QCD: $T_{cc}(3875{)}^{+}$ from finite volume energy levels
• How to understand the $X(2900)$?
• Molecular picture for $X_0(2900)$ and $X_1(2900)$
• Threshold corrections of ${\chi }_{\mathrm{c}}(2P)$ and ${\chi }_{\mathrm{b}}(3P)$ states and $J/\psi \rho$ and $J/\psi \omega$ transitions of the $X(3872)$ in a coupled-channel model
• $S$-wave fully charmed tetraquark resonant states
• XYZ spectroscopy at electron-hadron facilities: Exclusive processes
• Higher fully-charmed tetraquarks: Radial excitations and P-wave states
• Double-charm tetraquark under the complex scaling method
• Phenomenology of Relativistic $3\to 3$ Reaction Amplitudes within the Isobar Approximation
• Landau equation and QCD sum rules for the tetraquark molecular states
• Mass spectra for $qc\bar{q}\bar{c}$, $sc\bar{s}\bar{c}$, $qb\bar{q}\bar{b}$, $sb\bar{s}\bar{b}$ tetraquark states with $J^{PC}=0^{++}$ and $2^{++}$
• How to reveal the nature of three or more pentaquark states?
• Spectroscopy of Exotic Hadrons Formed from Dynamical Diquarks
• Spectroscopy behavior of fully heavy tetraquarks
• Dalitz-plot decomposition for three-body decays
• A possible partner state of the $Y(2175)$
• $D^{(\ast )}N$ interaction and the structure of ${\Sigma }_c(2800)$ and ${\Lambda }_c(2940)$ in chiral effective field theory
• X(3872) Production in Relativistic Heavy-Ion Collisions
• Hidden charm pentaquark states in a diquark model
• New charged resonance $Z_c^{-}(4100)$: the spectroscopic parameters and width
• Pole position of the $a_1(1260)$ from $\tau$-decay
• Very heavy flavored dibaryons
• Doubly Heavy Tetraquark Resonant States
• Four-quark states with charm quarks in a two-body Bethe-Salpeter approach
• Four-quark states from functional methods
• Predicting the ${\bar{D}}_s^{(\ast )}{D}_s^{(\ast )}$ bound states as the partners of $X(3872)$
• Implications of the $Z_{cs}(3985)$ and $Z_{cs}(4000)$ as two different states
• Production of exotic tetraquarks $QQ\bar{q}\bar{q}$ in heavy-ion collisions at the LHC
• Triply heavy tetraquark states with the $QQ\bar{Q}\bar{q}$ configuration
• Exploring the resonances $X(4140)$ and $X(4274)$ through their decay channels
• Tetraquarks in large-$N_c$ QCD
• Semileptonic $B$ and $B_s$ decays involving scalar and axial-vector mesons
• Pole determination of $P_{\psi s}^{\Lambda }(4338)$ and possible $P_{\psi s}^{\Lambda }(4255)$ in $B^{-}\to J/\psi \Lambda \bar{p}$
• Revisit the isospin violating decays of $X(3872)$
• Triangle Singularity as the Origin of the $a_1(1420)$
• Benchmark calculations of fully heavy compact and molecular tetraquark states
• Search for $\bar{b}\bar{b}us$ and $\bar{b}\bar{c}ud$ tetraquark bound states using lattice QCD
• Diabatic description of charmonium-like mesons
• A combined analysis of the $Z_c(3900)$ and the $Z_{cs}(3985)$ exotic states
• Study the molecular nature of $\sigma$, $f_0(980)$, and $a_0(980)$ states
• $S$- and $P$-wave fully-strange tetraquark states from QCD sum rules
• Mass behavior of hidden-charm pentaquarks with open-strange inspired by these established $P_c$ molecular states
• X(3872) Transport in Heavy-Ion Collisions
• Fine Structure of Pentaquark Multiplets in the Dynamical Diquark Model
• Excited $K$ meson, $K_c(4180)$, with hidden charm as a $D\bar{D}K$ bound state
• Vector tetraquark state candidates: $Y(4260/4220)$, $Y(4360/4320)$, $Y(4390)$ and $Y(4660/4630)$
• Re-examining the $X(4630)$ resonance in the reaction $e^{+}{e}^{-}\to {\Lambda }_c^{+}{\bar{\Lambda }}_c^{-}$
• Electromagnetic multipole moments of the $P_c^{+}(4380)$ pentaquark in light-cone QCD
• Magnetic dipole moment of the $Z_{cs}(3985)$ state: diquark-antidiquark and molecular pictures
• Hidden-bottom and -charm hexaquark states in QCD sum rules
• Three-body scattering: Ladders and Resonances
• $X(3872)$ as a four-quark state in a Dyson-Schwinger/Bethe-Salpeter approach
• Doubly heavy tetraquark multiplets as heavy antiquark-diquark symmetry partners of heavy baryons
• Study of the $X^{\pm }(5568)$ state with semileptonic decays of the $B_s^0$ meson
• Tetraquark-adequate formulation of QCD sum rules
• The Hydrogen Bond of QCD
• The Spectrum of $P$-Wave Hidden-Charm Exotic Mesons in the Diquark Model
• Charmed-strange tetraquarks and their decays in a potential quark model
• Photoproduction of hidden-bottom pentaquark and related topics
• Spectrum of the doubly charmed molecular pentaquarks in chiral effective field theory
• Prediction of a narrow exotic hadronic state with quantum numbers $J^{PC}=0^{--}$
• Nature of the $Y(4260)$: A light-quark perspective
• Universal behavior of mass gaps existing in the single heavy baryon family
• Analysis of the vector tetraquark states with P-waves between the diquarks and antidiquarks via the QCD sum rules
• Selected strong decays of pentaquark State $P_c(4312)$ in a chiral constituent quark model
• Spectrum of the molecular pentaquarks
• Observation of the ${\chi }_{b1}$(3P) and ${\chi }_{b2}$(3P) and measurement of their masses
• Production of exotic hadrons in $pp$ and nuclear collisions
• Spectrum of $cc\bar{b}\bar{b}$, $bc\bar{c}\bar{c}$, and $bc\bar{b}\bar{b}$ Tetraquark States in the Dynamical Diquark Model
• Going in quest of potential tetraquark interpretations for the newly observed $T_{\psi \psi }$ states in light of the diquark-antidiquark scenarios
• Magnetic moments of the spin-1/2 singly charmed baryons in covariant baryon chiral perturbation theory
• Mass spectra and decays of open-heavy tetraquark states
• Investigation of the possible $D{\bar{D}}^{\ast }$/$B{\bar{B}}^{\ast }$ and $D{D}^{\ast }$/$\bar{B}{\bar{B}}^{\ast }$ molecule states
• The Dynamical Diquark Model: Fine Structure and Isospin
• Rare ${\Lambda }_b\to \Lambda l^{+}{l}^{-}$ and ${\Lambda }_b\to \Lambda \gamma$ decays in the relativistic quark model
• Tetraquark and two-meson states at large $N_{\mathrm{c}}$
• The strong decay patterns of $Z_c$ and $Z_b$ states in the relativized quark model
• Hunting for tetraquarks in ultra-pheripheral heavy ion collisions
• The hidden-charm strong decays of the $Z_c$ states
• Photoproduction of strange hidden-charm and hidden-bottom states
• Electromagnetic properties of doubly heavy pentaquark states
• Doubly charmed tetraquarks in a diquark-antidiquark model
• Resonance $Y(4660)$ as a vector tetraquark and its strong decay channels
• Dark Matter in the Standard Model?
• Fully-heavy pentaquark states
• Modeling Charmonium-$\eta$ Decays of $J^{PC}=1^{--}$ Higher Charmonia
• Pentaquark states with the $QQQq\bar{q}$ configuration in a simple model
• Triangle Singularity in the Production of $X(3872)$ and a Photon in $e^{+}{e}^{-}$ Annihilation
• Scattering of charmed baryons on nucleons
• Hidden-charm pentaquark states through the current algebra: From their productions to decays
• What can we learn about light-meson interactions at electron-positron colliders?
• New insight into the exotic states strongly coupled with the $D{\bar{D}}^{\ast }$ from the $T_{cc}^{+}$
• QCD sum rule studies on the $ss\bar{s}\bar{s}$ tetraquark states with $J^{PC}=1^{+-}$
• Comment on `Note on X(3872) production at hadron colliders and its molecular structure'
• Fully-charm and -bottom pentaquarks in a Lattice-QCD inspired quark model
• Production of $\Omega NN$ and $\Omega \Omega N$ in ultra-relativistic heavy ion collisions
• Fully-heavy tetraquark states and their evidences in the LHC observations
• Understanding the $0^{++}$ and $2^{++}$ charmonium(-like) states near 3.9 GeV
• Decay behaviors of the fully-bottom and fully-charm tetraquark states
• Heavy exotic scalar meson $T_{bb;\bar{u}\bar{s}}^{-}$
• Triply heavy tetraquark states
• Magnetic dipole moments of the $Z_c(4020{)}^{+}$, $Z_c(4200{)}^{+}$, $Z_{cs}(4000{)}^{+}$ and $Z_{cs}(4220{)}^{+}$ states in light-cone QCD
• Scalar and tensor charmonium resonances in coupled-channel scattering from QCD
• Production of $X(3872)$ Accompanied by a Pion in $B$ Meson Decay
• Radial and orbital Regge trajectories in heavy quarkonia
• Analysis of the fully-heavy pentaquark states via the QCD sum rules
• Comprehending Isospin breaking effects of $X(3872)$ in a Friedrichs-model-like scheme
• Spectrum of the molecular tetraquarks: Unraveling the $T_{cs0}(2900)$ and $T_{c\bar{s}0}^a(2900)$
• Deciphering the charged heavy quarkoniumlike states in chiral effective field theory
• Heavy flavor pentaquarks with four heavy quarks
• Revisiting $X(3872)\to D^0{\bar{D}}^0{\pi }^0$ in XEFT
• $\bar{K}\Lambda$ molecular explanation to the newly observed $\Xi (1620{)}^0$
• Deep Learning Exotic Hadrons
• The Scalar Hexaquark $uuddss$: a Candidate to Dark Matter?
• Settling the $Z_c(4600)$ in the charged charmonium-like family
• Generating a resonance-like structure in the reaction $B_c\to B_s\pi \pi$
• ${\Sigma }_{c}N$ interaction in chiral perturbation theory
• Triply-heavy tetraquarks in an extended relativized quark model
• Triply heavy $QQ\bar{Q}\bar{q}$ tetraquark states
• Radiative decays of the spin-$2$ partner of $X(3872)$
• Fully Heavy Tetraquark $bb\bar{c}\bar{c}$: Lifetimes and Weak Decays
• Decay properties of $P_c$ states through the Fierz rearrangement
• Tetraquarks in holographic QCD
• Electromagnetic form factors of the $B_c$-like tetraquarks: molecular and diquark-antidiquark pictures
• Dispersive analysis of the $\gamma \gamma \to D\bar{D}$ data and the confirmation of the $D\bar{D}$ bound state
• Predicting isovector charmonium-like states from X(3872) properties
• Line-shape and poles of the $\psi (3770)$
• $T_{cc}^{+}$ and $X(3872)$ with the complex scaling method and $DD(\bar{D})\pi$ three-body effect
• $D^{\pm }{D}^{\ast \mp }$ Hadronic Atom as a Key to Revealing the $X(3872)$ Mystery
• Doubly hidden-charm/bottom $QQ\bar{Q}\bar{Q}$ tetraquark states
• Remarks on the Heavy-Quark Flavour Symmetry for doubly heavy hadronic molecules
• Possibility of $T_{c\bar{s}}(2900)$ as the resonance-like structure induced by threshold effects
• Spectroscopic parameters and decays of the resonance $Z_b(10610)$
• A high-energy QCD portal to exotic matter: Heavy-light tetraquarks at the HL-LHC
• Testing the doubly charged charm-strange tetraquarks
• Exploring the magnetic dipole moments of $T_{QQ\bar{q}\bar{s}}$ and $T_{QQ\bar{s}\bar{s}}$ states in the framework of QCD light-cone sum rules
• Insights into $Z_b(10610)$ and $Z_b(10650)$ from dipion transitions from ${\rm Y}(10860)$
• Are there narrow flavor-exotic tetraquarks in large-$N_c$ QCD?
• Hidden-flavour four-quark states in the charm and bottom region
• $D{\bar{D}}^{\ast }$ scattering and ${\chi }_{c1}(3872)$ in nuclear matter
• Tetraquark-adequate QCD sum rules for quark-exchange processes
• $X(3872)$, $X(4014)$, and their bottom partners at finite temperature
• Triangle singularity appearing as an $X(3872)$-like peak in $B\to (J/\psi {\pi }^{+}{\pi }^{-})K\pi$
• Production of hidden-charm strange pentaquarks $P_{cs}$ from the $K^{-}p\to J/\psi \Lambda$ reaction
• Narrow pentaquarks as diquark-diquark-antiquark systems
• The $\varphi (2170)$ production in the process $\gamma p\to \eta \varphi p$
• Lattice QCD static potentials of the meson-meson and tetraquark systems computed with both quenched and full QCD
• The X(3872) tetraquarks in B and B_s decays
• Manifestly exotic pentaquarks with a single heavy quark
• Precise determination of the pole position of the exotic $Z_c(3900)$
• Charmonium ${\chi }_{c0}$ and ${\chi }_{c2}$ resonances in coupled-channel scattering from lattice QCD
• Mass spectra of doubly heavy tetraquarks in diquark-antidiquark picture
• Bound states in the B-matrix formalism for the three-body scattering
• QCD sum rule studies on the $ss\bar{s}\bar{s}$ tetraquark states of $J^{PC}=0^{-+}$
• Quark structure of the ${\chi }_{\mathrm{c}}(3P)$ and $X(4274)$ resonances and their strong and radiative decays
• Revisiting hidden-charm pentaquarks from QCD sum rules
• Weak Decays of Stable Open-bottom Tetraquark by SU(3) Symmetry Analysis
• Disentangling the role of the $Y(4260)$ in $e^{+}{e}^{-}\to D^{\ast }{\bar{D}}^{\ast }$ and $D_s^{\ast }{\bar{D}}_s^{\ast }$ via line shape studies
• Prompt production of the hidden charm pentaquarks in the LHC
• The role of the pion in the lineshape of the $X(3872)$
• Features of $\pi \Delta$ Photoproduction at High Energies
• Diabatic description of bottomoniumlike mesons
• Global coupled-channel analysis of $e^{+}{e}^{-}\to c\bar{c}$ processes in $\sqrt{s}=3.75-4.7$ GeV
• Production of the $Z_b^{(\prime )}$ states from the ${\rm Y}(5S,6S)$ decays
• The interplay between compact and molecular structures in tetraquarks
• The electromagnetic multipole moments of the charged open-flavor $Z_{\bar{c}q}$ states
• Mass-Spectroscopy of hidden charm and hidden strange tetraquarks in diquark-antidiquark approach
• Study for a model-independent pole determination of overlapping resonances
• Flavor-singlet charm pentaquark
• Holographic charm and bottom pentaquarks II: Open and hidden decay widths
• Charmonium spectrum with a Dirac potential model in the momentum space
• Radiative and $\rho$ transitions between heavy quarkonium and isovector four-quark states
• Estimates of the $X(3872)$ Cross Section at a Hadron Collider
• Production of $Z_{cs}$ in $B$ and $B_s$ decay
• Fully strange tetraquark resonant states as the cousins of $X(6900)$
• Looking for the exotic $X_0(2866)$ and its $J^P=1^{+}$ partner in the ${\bar{B}}^0\to D^{(\ast )+}{K}^{-}{K}^{(\ast )0}$ reactions
• Identify the hidden charm pentaquark signal from non-resonant background in electron-proton scattering
• Cluster reducibility of multiquark operators
• Investigation of $J/\psi \to \gamma {\pi }^0\eta ({\pi }^{+}{\pi }^{-},{\pi }^0{\pi }^0)$ radiative decays including final-state interactions
• Exotic pentaquark states with the $qqQQ\bar{Q}$ configuration
• Semi-inclusive lepto-production of hidden-charm exotic hadrons
• Possible Molecular States Composed of Doubly Charmed Baryons with Couple-channel Effect
• 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
• Identifying spin and parity of charmonia in flight with lattice QCD
• Light axial-vector and vector resonances $X(2100)$ and $X(2239)$
• Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom
• Searching for doubly charmed tetraquark candidates $T_{cc}$ and $T_{cc\bar{s}}$ in $B_c$ decays
• Disentangling different structures in heavy-light four-quark states
• Near-threshold Spectrum from Uniformized Mittag-Leffler Expansion -Pole Structure of $Z(3900)$-
• Deciphering the $X(3872)$ via its polarization in prompt production at the CERN LHC
• Possible $D^{(\ast )}{\bar{D}}^{(\ast )}$ and $B^{(\ast )}{\bar{B}}^{(\ast )}$ molecular states in the extended constituent quark models
• Mass spectra of $N\Omega$ dibaryons in the ${}^3{S}_1$ and ${}^5{S}_2$ channels
• Diabatic description of charmoniumlike mesons II: mass corrections and strong decay widths
• Fully heavy tetraquark resonant states with different flavors
• Investigation of Mass and Decay Characteristics of the All-light Tetraquark
• Flavor Physics at the CEPC: a General Perspective
• Towards the decay properties of deuteron-like state $d_{N\Omega }$
• Charmed baryon$-$nucleon interaction
• On the ${\eta }_1(1855)$, ${\pi }_1(1400)$ and ${\pi }_1(1600)$ as dynamically generated states and their SU(3) partners
• Fragmentation functions for axial-vector heavy tetraquarks: A TQ4Q1.1 update
• Production of $X(3872)$ Accompanied by a Soft Pion at Hadron Colliders
• Production of the $X(4014)$ as the spin-2 partner of $X(3872)$ in $e^{+}{e}^{-}$ collisions
• Production of hidden-charm and hidden-bottom pentaquark states in electron-proton collisions
• Exotic $\Omega \Omega$ dibaryon states in a molecular picture
• Tri-meson bound state $BB{B}^{\ast }$ via delocalized $\pi$~Bond
• $T_{bbb}$: a three $B-$meson bound state
• Reconciling the X(2240) with the Y(2175)
• Cross section measurements of the $e^{+}{e}^{-}\to D^{\ast +}{D}^{\ast -}$ and $e^{+}{e}^{-}\to D^{\ast +}{D}^{-}$ processes at center-of-mass energies from 4.085 to 4.600 GeV
• $P$-wave charmonium contribution to hidden-charm states from reanalysis of lattice QCD data
• Are the XYZ states unconventional states or conventional states with unconventional properties?
• Coupled-Channel-Induced $S-D$ mixing of Charmonia and Testing Possible Assignments for $Y(4260)$ and $Y(4360)$
• Method to observe the $J^P=2^{+}$ partner of the $X_0(2866)$ in the $B^{+}\to D^{+}{D}^{-}{K}^{+}$ reaction
• Decay modes of the scalar exotic meson $T_{bs;\overline{u}\overline{d}}^{-}$
• Holographic charm and bottom pentaquarks I: Mass spectra with spin effects
• The nature of ${\chi }_{c1}\left(3872\right)$ and $T_{cc}^{+}\left(3875\right)$
• Hidden charm pentaquark and $\Lambda (1405)$ in the ${\Lambda }_b^0\to {\eta }_c{K}^{-}p(\pi \Sigma )$ reaction
• XYZ spectroscopy at electron-hadron facilities II: Semi-inclusive processes with pion exchange
• On the $\eta$ and ${\eta }^{\prime }$ Photoproduction Beam Asymmetry at High Energies
• Double Exotic States Productions in Pion and Kaon Induced Reactions
• Colloquium: Hadron Production in Open-charm Meson Pair at $e^{+}{e}^{-}$ Collider
• ${\Xi }_{bb}$ and ${\Omega }_{bbb}$ molecular states
• Decay $X(3872)\to {\pi }^0{\pi }^{+}{\pi }^{-}$ and $S$-wave $D^0{\bar{D}}^0\to {\pi }^{+}{\pi }^{-}$ scattering length
• ${\pi }^{-}p\to {\eta }^{(\prime )}{\pi }^{-}p$ in the double-Regge region
• $\sigma$ exchange in the one-boson exchange model involving the ground state octet baryons
• Hadronic Molecular States Composed of Spin-$\frac{3}{2}$ Singly Charmed Baryons
• Spectrum of the molecular hexaquarks
• Semi-inclusive electroproduction of hidden-charm and double-charm hadronic molecules
• How higher charmonia shape the puzzling data of the $e^{+}{e}^{-}\to \eta J/\psi$ cross section
• Regge trajectories for the heavy-light diquarks
• Hadronic molecules with four charm or beauty quarks
• $J/\psi$ decay into $\varphi (\omega )$ and vector-vector molecular states
• Width of a two-body coupled-channel resonance
• Hidden-flavor pentaquarks
• Study of charmonium and charmonium-like contributions in $B^{+}\to J/\psi \eta K^{+}$ decays
• $D^{+}{D}^{-}$ hadronic atom and its production in $pp$ and $p\bar{p}$ collisions
• Exotic Hadrons from Scattering in the Diabatic Dynamical Diquark Model
• The $\mathbf{X}(3872)$'s excitation and its connection with production at hadron colliders
• Do near-threshold molecular states mix with neighbouring $\bar{Q}Q$ states?
• Production of $X(3872)$ and a Photon in $e^{+}{e}^{-}$ Annihilation
• Fragmentation of fully heavy tetraquarks: The TQ4Q1.1 functions as a case study
• Towards the understanding of $Z_c(3900)$ from lattice QCD
• What is the right formalism to search for resonances? II. The pentaquark chain
• Simultaneous description of the $e^{+}{e}^{-}\to J/\psi \pi \pi (K\bar{K})$ processes
• Dispersive analysis of the isospin breaking in the $X(3872)\to J/\psi {\pi }^{+}{\pi }^{-}$ and $X(3872)\to J/\psi {\pi }^{+}{\pi }^0{\pi }^{-}$ decays
• On the origin of the $Y(4260)$
• Probing an axial-vector tetraquark $Z_s$ via its semileptonic decay $Z_s\to X(4274)\overline{l}{\nu }_l$
• Analysis of the $X(3842)$ as a D-wave charmonium meson
• Investigations on the light hadron decays of $Z_b(10610)$ and $Z_b(10650)$
• Covalent hadronic molecules induced by shared light quarks
• Does the bottomonium counterpart of $X(3872)$ exist?
• Magnetic moments of the vector hidden-charmed tetraquark states
• Tetraquarks, Pentaquarks and Dibaryons in the large $N$ QCD
• Entanglement suppression and low-energy scattering of heavy mesons
• Unwinding the rare $\Omega$ sector: Fragmentation of fully charmed baryons from HL-LHC to FCC
• Decays of Pentaquarks in Hadrocharmonium and Molecular Pictures
• Towards a precision determination of the $X(6200)$ parameters from data
• Identifying an $\mathrm{X}(3872)$ tetraquark state versus a molecular state by formation time, velocity and temperature in relativistic nuclear collisions
• Charmed baryons in nuclear matter
• Is two-poles' $\Lambda (1405)$ one state or two?
• Hadronic molecular states with the quark contents $bc\bar{s}\bar{q}$, $b\bar{c}s\bar{q}$, and $b\bar{c}\bar{s}q$
• Holographic charm and bottom pentaquarks III: Excitations through photo-production of heavy mesons
• Study of exotic hadrons with machine learning
• Baryons under Strong Magnetic Fields or in Theories with Space-dependent $\theta$-term
• Precision measurements of ${\sigma }_B(e^{+}{e}^{-}\to K_S^0{K}^{\pm }{\pi }^{\mp })$ at center-of-mass energies between 3.8 and 4.6 GeV
• The role of electromagnetic interaction in the $X(3872)$ and its analogs
• The spin parity of $Z_c^{-}$(4100), $Z_1^{+}$(4050) and $Z_2^{+}$(4250)
• Unravelling Pentaquarks with Born--Oppenheimer effective theory
• Decay properties of the $X(3872)$ through the Fierz rearrangement
• Regge trajectories for the light diquarks
• Production of $X_b$ via ${\rm Y}(5S,6S)$ radiative decays
• Triangle singularity in $B^0\to {\pi }^{-}{K}^{+}X(3872)$ via the $D_{s1}\bar{D}{D}^{\ast }$ loop and possible precise measurement of the $X(3872)$ mass
• A potential approach to the $X(3872)$ thermal behavior
• Double pole structures of $X_1(2900)$ as the $P$-wave ${\bar{D}}^{\ast }{K}^{\ast }$ resonances
• Molecular pentaquark states with open charm and bottom flavors
• Radiative Transitions of Charmoniumlike Exotics in the Dynamical Diquark Model
• $X$ structures in $B^{+}\to J/\psi \varphi K^{+}$ as one-loop and double-triangle threshold cusps
• Drag force on heavy diquarks and gauge/string duality
• Higher strangeonium decays into light flavor baryon pairs like $\Lambda \bar{\Lambda }$, $\Sigma \bar{\Sigma }$, and $\Xi \bar{\Xi }$
• Open charm and bottom meson-nucleon potentials à la nuclear force
• SU(3) analysis of fully-light tetraquarks in heavy meson weak decays
• Triply-charmed hexaquark states with the QCD sum rules
• Decay patterns of low-lying $N_{s\bar{s}}$ states to the strangeness channels
• Mass Spectra of $qq\bar{q}\bar{q}$, $ss\bar{s}\bar{s}$ and $qq\bar{s}\bar{s}$ Tetraquarks using Regge Phenomenology
• Molecular states in $D_s^{(\ast )+}{\Xi }_c^{{(}^{\prime },\ast )}$ systems
• Magnetic and quadrupole moments of the $Z_c(4020{)}^{+}$, $Z_c(4050{)}^{+}$, and $Z_c(4600{)}^{+}$ states in the diquark-antidiquark picture
• Predictions of the hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$
• How does the $X(3872)$ show up in $e^{+}{e}^{-}$ collisions: dip versus peak
• Measurements of $e^{+}{e}^{-}\to {\eta }_{\mathrm{c}}{\pi }^{+}{\pi }^{-}{\pi }^0$, ${\eta }_{\mathrm{c}}{\pi }^{+}{\pi }^{-}$ and ${\eta }_{\mathrm{c}}{\pi }^0\gamma$ at $\sqrt{s}$ from 4.18 to 4.60\,GeV, and search for a $Z_{\mathrm{c}}$ state close to the $D\bar{D}$ threshold decaying to ${\eta }_{\mathrm{c}}\pi$ at $\sqrt{s}$ = 4.23 GeV
• Production of pentaquarks with hidden charm and double strangeness in ${\Xi }_b$ and ${\Omega }_b$ decays
• Two-pion exchange for coupled-channel scattering of two heavy mesons
• Trilepton and tetralepton bound and resonant states: the QED counterpart of multiquark states
• Is the X(3872) a bound state ?
• Triply heavy tetraquark states in a mass-splitting model
• The electromagnetic multipole moments of the possible charm-strange pentaquarks in light-cone QCD
• Interaction and Identification of the Meson-Baryon molecules
• Study of the hidden charm $D{\bar{D}}^{\ast }$ interactions in chiral effective field theory
• Composite nature of $Z_b$ states from data analysis
• Weak-decay searches for $Qs\bar{u}\bar{d}$ tetraquarks
• Role of the short-range dynamics in the formation of $D^{(\ast )}{\bar{D}}^{(\ast )}/B^{(\ast )}{\bar{B}}^{(\ast )}$ hadronic molecules
• Studying the Pc(4450) resonance in J/psi photoproduction off protons
• $P_c(4457)$ interpreted as a $J^P=1/2^{+}$ state by ${\bar{D}}^0{\Lambda }_c^{+}(2595)$-${\pi }^0{P}_c(4312)$ interaction
• Hunting for the prospective $T_{cc}$ family based on the diquark-antidiquark configuration
• Classification of Coupled-Channel Near-Threshold Structures
• Structure of open-flavour four-quark states in the charm and bottom region
• Systematics of fully heavy dibaryons
• Investigation of ${\Delta }^0{\Delta }^0$ dibaryon in QCD
• Triply Heavy $\Omega$ Baryons with JETHAD: A High-Energy Viewpoint
• Fully charmed P-wave tetraquark resonant states in the quark model
• Constraining the $DD{D}^{\ast }$ three-body bound state via the $Z_c(3900)$ pole
• Modifications on parameters of $Z(4430)$ in a dense medium
• New narrow LHCb pentaquarks as lowest antiquark-diquark-diquark systems
• Towards modeling the short-range interactions of hidden/open charm pentaquark molecular states
• Masses of tetraquark states in the hidden charm sector above $D-D^{\ast }$ threshold
• A short review on the compositeness of the $X(3872)$
• Probing the structure of $X(3872)$ in photoproduction
• Studying the bound state of the $B\bar{K}$ system in the Bethe-Salpeter formalism
• Quark structure of the $X(4500)$, $X(4700)$ and ${\chi }_{\mathrm{c}}(4P,5P)$ states
• Tetraquark-Jet Systems at the High-Luminosity LHC
• Analysis of the strong vertices of ${\Sigma }_{c}N{D}^{\ast }$ and ${\Sigma }_{b}N{B}^{\ast }$ in QCD sum rules
• Effect of thresholds on the width of three-body resonances
• $J/\psi$ decay to $\varphi ,\omega ,K^{\ast 0}$ plus $f_0(1370)$, $f_0(1710)$, $K_0^{\ast }(1430)$, $f_2(1270)$, $f_2^{\prime }(1525)$ and $K_2^{\ast }(1430)$: role of the $D$-wave for tensor production
• Electroweak production of ${\chi }_{Q1}$ states in $e^{+}{e}^{-}$ collisions: A brief review
• On the emergence of heavy quark spin symmetry breaking in heavy quarkonium decays
• The $\varphi NN,J/\psi NN,{\eta }_{c}NN$ systems based on HAL QCD interactions
• Quark model description of $\psi (4260)$
• $\lambda$ and $\rho$ Regge trajectories for hidden bottom and charm tetraquarks $(Qq)(\bar{Q}{\bar{q}}^{\prime })$
• The Pentaquark Spectrum from Fermi Statistics
• Study of the resonance contributions in the ${\Xi }_b^{-}\to p{K}^{-}{K}^{-}$ decay
• The ground states and first radial excitations of the vector tetraquark states with explicit P-waves via the QCD sum rules
• Hidden and open heavy-flavor hadronic states
• Study of the hidden charm pentaquarks ${\Lambda }_{c\bar{c}}$ above $4$ GeV
• Production of the (predicted) $K^{\ast }(4307)$ in $B$ decays
• Effect of continuum states on the double-heavy hadron spectra
• Radiative decay of hadronic molecule state for quarks
• Production of $1^{-+}$ exotic charmonium-like states in electron-positron collisions
• A Simple Model of Pentaquarks
• Investigation of Mass and Decay Characteristics of the Light-Strange Tetraquark
• Radiative decays of the neutral $Z_c(3900)$ and $Z_c(4020)$
• On the precise measurement of the $X(3872)$ mass and its counting rate
• Mixing angles between the tetraquark states with two heavy quarks within QCD sum rules
• Effective range expansion with a long-range force
• Regge trajectories for the triply heavy triquarks
• Semileptonic decay of $B_c^{-}$ into $X(3930)$, $X(3940)$, $X(4160)$
• Pole analysis for the $D^{\ast }\bar{K}$-$D\overline{K^{\ast }}$ coupled-channel system
• Electromagnetic properties of the $D{\bar{D}}^{\ast }K$ molecular hexaquark state
• Light tetraquark states with the exotic quantum number $J^{PC}=3^{-+}$
• Triple-strangeness hidden-charm pentaquarks
• Investigating full-heavy tetraquarks composed of $cc\bar{c}\bar{b}$ and $bb\bar{b}\bar{c}$
• $B_{s1}(5778)$ as a $B^{\ast }\bar{K}$ molecule in the Bethe-Salpeter equation approach
• XYZ spectroscopy at electron-hadron facilities III: Semi-inclusive processes with vector exchanges
• Constituent Counting Rules and Exotic Hadrons
• Elliptic anisotropy measurement of the f${}_0$(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition
• Study of the $Y(4660)$ from a light-quark perspective
• Hidden-Charm Tetraquarks in a Mixture Model: Coupled-Channel Analysis with $c\bar{c}$ and Hadronic Molecular Components
• Charmonium, $B_c$ and X(3872) Transport at the LHC
• Analysis of the strong vertexes of ${\Sigma }_c^{\ast }ND$ and ${\Sigma }_b^{\ast }NB$ in QCD sum rules
• Multimodal Fragmentation of All-Heavy Pentaquarks: Uncertainty-Aware Predictions for Hadron Colliders
• First observation of the ${\Lambda }_b^0\to {\Lambda }_c^{+}{D}_s^{-}{K}^{+}{K}^{-}$ decay and search for pentaquarks in the ${\Lambda }_c^{+}{D}_s^{-}$ system
• Production of $X_{cs\bar{c}\bar{s}}$ in heavy ion collisions
• $Z_c(3900)$ in a hadronic molecule and a triangle singularity approach at finite temperature
• Constrain the ${\chi }_{cJ}\to D^{(\ast )}{\bar{D}}^{(\ast )}$ effective couplings via the $X(3872)\to {\pi }^0{\chi }_{cJ}$ decays
• Hints of the $J^{PC}=0^{--}$ and $1^{--}$ $K^{\ast }{\bar{K}}_1(1270)$ Molecules in the $J/\psi \to \varphi \eta {\eta }^{\prime }$ Decay
• Possible ${\Sigma }_c^{\ast }\bar{\Sigma }$ molecular states
• $D$-wave excited $cs\bar{c}\bar{s}$ tetraquark states with $J^{PC}=1^{++}$ and $1^{+-}$
• Branching Fractions of the $X(3872)$
• Unraveling $K(1690)$ as a pseudoscalar $ud\bar{d}\bar{s}$ tetraquark state
• The $X(3872)\to J/\psi \pi \gamma$ and $X(3872)\to J/\psi \pi \pi \gamma$ decays
• Theory Concepts for Heavy Exotic Mesons
• Cross section measurement of $e^{+}{e}^{-}\to \eta \psi (2S)$ and search for $e^{+}{e}^{-}\to \eta \tilde{X}(3872)$
• The charmonium-like exotic hadron productions in $e^{+}{e}^{-}$ collisions at the BESIII energy with the PACIAE model
• Correction to the energy spectrum of ${}^1{S}_0$ heavy quarkonia due to two-gluon annihilation effect
• Photon-induced production of the exotic charged charmonium-like state $Z_c(3900)$ off nuclear targets and its internal structure
• Two nearby states in the $X(3872)$ region: Resolving the radiative-decay ratio tension with ${\eta }_{c2}$
• Exotic Heavy Hadrons
• Octet baryon and heavy meson interactions in chiral effective field theory
• Pentaquark photoproduction
• All-charm tetraquarks at hadron colliders: A high-precision fragmentation perspective
• A note on the tensor and vector exchange contributions to $K\bar{K}\to K\bar{K},D\bar{D}\to D\bar{D}$ and ${\pi }^{+}{\pi }^{-}\to {\pi }^{+}{\pi }^{-}$ reactions
• Ballistic Lévy walk with rests: Escape from a bounded domain
• Quantum Numbers of the Pentaquark States $P_c^{+}$ via Symmetry Analysis
• Hadronic molecules and multiquark states
• Lattice spectroscopy with focus on exotics
• Non-$D\bar{D}$ Decays into Light Meson Pairs of the $D$-Wave Charmonium ${\psi }_3(3842)$
• Is ${\chi }_{c1}(3872)$ generated from string breaking?
• Production of hidden-heavy and double-heavy hadronic molecules at the $Z$ factory of CEPC
• Spectrum of Hidden-Charm, Open-Strange Exotics in the Dynamical Diquark Model
• Symplectic Quantization: numerical results for the Feynman propagator on a 1+1 lattice and the theoretical relation with Quantum Field Theory
• Calculation of mass and width of unstable molecular state using the developed Bethe-Salpeter theory
• Investigating the two-pion exchange of the double charm $D{D}^{\ast }$ chiral interactions and $T_{cc}$
• Mass-Spectroscopy of [$bb][\bar{b}\bar{b}$] and [$bq][\bar{b}\bar{q}$] tetraquark states in a diquark-antidiquark formalism
• Structural dissection of hadronic molecules: The $D^{(\ast )}{\bar{K}}^{(\ast )}$ family under QCD light-cone sum rules
• Heavy-flavor multimodal fragmentation to $S$-wave pentacharms at next-generation hadron colliders
• $P_c(4312{)}^{+}$ and $P_c(4337{)}^{+}$ as interfering ${\Sigma }_c\bar{D}$ and ${\Lambda }_c{\bar{D}}^{\ast }$ threshold cusps
• Symmetries in subatomic multi-quark systems
• Meson scattering and tetraquarks in two-dimensional QCD
• An analysis on doubly bottom molecular tetraquarks composed of $H_{(s)}$ and $T_{(s)}$ doublets
• Role of the short-range dynamics in simultaneous interpretation of $P_{cs}$ pentaqurks via ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}^{(\ast )}$ molecules
• Electromagnetic probes revealing the inner structure of the ${\Lambda }_c(2940)$
• New Types of Hydrogenlike matter Composed of Electron(s) and Meson(s)
• Unified study of $B_s^0\to X(3872){\pi }^{+}{\pi }^{-}(K^{+}{K}^{-})$ and $B_s^0\to \psi (2S){\pi }^{+}{\pi }^{-}(K^{+}{K}^{-})$ processes
• Threshold effects in heavy quarkonium spectroscopy
• Charting doubly strange hidden-charm pentaquarks: An electromagnetic mapping of spin-$\frac{1}{2}$ and $\frac{3}{2}$ states
• Phenomenological mass model for exotic hadrons and predictions for masses of non-strange dibaryons as hexaquarks
• Electromagnetic couplings of pentaquarks
• Analytic electromagnetic signatures of compact pentaquark structure: A multi-current QCD light-cone sum rules analysis of the $P_{\psi s}^{\Lambda }$ states
• Two-body strong decays of the pseudoscalar hidden-charm tetraquark states via the QCD sum rules
• Role of $a_0(1710)$ in the $J/\psi \to {\rho }^{+}{\rho }^{-}\omega$ and $J/\psi \to \gamma {\rho }^0\omega$ reactions
• Study of $e^{+}{e}^{-}\to h^{+}{h}^{-}J/\psi (h=\pi ,K,p)$ via initial-state radiation at Belle~II
• Model-independent mass determination of near-threshold states from short-range production
• Discovery of XYZ particles at the BESIII Experiment
• Exotic hadrons associated with $b$-quark
• Wigner rotations for cascade reactions
• Coupled-channel meson-meson scattering in the diabatic framework
• On the possible virtual state nature of the LHCb Pc$(4312{)}^{+}$ signal