The hidden-charm pentaquark and tetraquark states

Abstract

In the past decade many charmonium-like states were observed experimentally. Especially those charged charmonium-like $Z_c$ states and bottomonium-like $Z_b$ states can not be accommodated within the naive quark model. These charged $Z_c$ states are good candidates of either the hidden-charm tetraquark states or molecules composed of a pair of charmed mesons. Recently, the LHCb Collaboration discovered two hidden-charm pentaquark states, which are also beyond the quark model. In this work, we review the current experimental progress and investigate various theoretical interpretations of these candidates of the multiquark states. We list the puzzles and theoretical challenges of these models when confronted with the experimental data. We also discuss possible future measurements which may distinguish the theoretical schemes on the underlying structures of the hidden-charm multiquark states.

Review accepted by Physics Reports, 152 pages, 66 figures, and 29 tables

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• A possible global group structure for exotic states
• On the scattering of D and D* mesons off the X(3872)
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• An alternative approach to the $\sigma$-meson-exchange in nucleon-nucleon interaction
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• Hidden-Charm Tetraquarks and Charged Zc States
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• Charmonium spectrum and new observed states
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• Molecular Interpretation of the Supercharmonium State Z(4475)
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• 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
• Chiral Baryon Fields in the QCD Sum Rule
• The process $\epem\to J/ ψX(3940)$ at $\sqrt{s}=10.6$ GeV in the framework of light cone formalism
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• Is the Z^+(4430) a radially excited state of D_s?
• The two-body open charm decays of $Z^{+}(4430)$
• Production of X(3872) at PANDA
• Production of the spin partner of the X(3872) in e^+e^- collisions
• Dynamics of hadron strong production and decay
• Constraints from precision measurements on the hadron-molecule interpretation of X,Y,Z resonances
• A Simple Explanation for the X(3872) Mass Shift Observed for Decay to D^{*0} {D^0}bar
• Power counting for three-body decays of a near-threshold state
• A note on large N scalar QCD_2
• Strong and radiative decays of X(3872) as a hadronic molecule with a negative parity
• Mass of Y(3940) in Bethe-Salpeter equation for quarks
• Charmonium possibility of X(3872)
• The signal of $Z^{\pm }(4430)$ in nucleon-antinucleon scattering
• The "Closed" Chiral Symmetry and Its Application to Tetraquark
• Bi-local baryon interpolating fields with two flavours
• Fall-apart decays of polyquark hadrons
• What can we learn from the decay of $N_X(1625)$ in molecule picture?
• Baryon Tri-local Interpolating Fields
• Dynamics study of $Z^{+}(4430)$ and X(3872) in molecular picture
• Contribution of $Z_b$ resonances to ${\rm Y}(5S)\to \pi \pi \pi {\chi }_b$
• QCD sum rules study of X(4350)
• The process $e^{+}{e}^{-}\to \pi \pi X(3823)$ in the soft pion limit
• The possibility of Z(4430) resonance structure description in $\pi {\psi }^{\prime }$ reaction

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• 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
• Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules
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• STCF Conceptual Design Report: Volume 1 -- Physics & Detector
• 50 Years of Quantum Chromodynamics
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• Evidence of Two Resonant Structures in $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{h}_c$
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• 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 $P_c(4380)$
• Hunting for exotic doubly hidden-charm/bottom tetraquark states
• Exotic Hadrons from Heavy Ion Collisions
• Exploring the molecular scenario of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
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• Diquark Correlations in Hadron Physics: Origin, Impact and Evidence
• Coupled-channel approach to $T_{cc}^{+}$ including three-body effects
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• Study of the lineshape of the ${\chi }_{c1}(3872)$ state
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• Establishing the first hidden-charm pentaquark with strangeness
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• 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
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• Decay properties of $P$-wave charmed baryons from light-cone QCD sum rules
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• Strong decays of the latest LHCb pentaquark candidates in hadronic molecule pictures
• Towards a theory of hadron resonances
• Spectrum of the fully-heavy tetraquark state $QQ{\bar{Q}}^{\prime }{\bar{Q}}^{\prime }$
• The XYZ states revisited
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• Tetraquark state candidates: $Y(4260)$, $Y(4360)$, $Y(4660)$ and $Z_c(4020/4025)$
• Doubly-heavy tetraquarks
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• $P_c(4457{)}^{+}$, $P_c(4440{)}^{+}$, and $P_c(4312{)}^{+}$: molecules or compact pentaquarks?
• Analysis of $P_c^{+}(4380)$ and $P_c^{+}(4450)$ as pentaquark states in the molecular picture with QCD sum rules
• Discovery potential of stable and near-threshold doubly heavy tetraquarks at the LHC
• Study of $e^{+}{e}^{-}\to \gamma \omega J/\psi$ and Observation of $X(3872)\to \omega J/\psi$
• Hidden-charm and hidden-bottom molecular pentaquarks in chiral perturbation theory
• Heavy hadronic molecules with pion exchange and quark core couplings: a guide for practitioners
• Revisiting the nature of the $P_c$ pentaquarks
• Evidence of a resonant structure in the $e^{+}{e}^{-}\to {\pi }^{+}{D}^0{D}^{\ast -}$ cross section between 4.05 and 4.60 GeV
• Doubly Charmed Tetraquark $T_{cc}^{+}$ from Lattice QCD near Physical Point
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• Masses of doubly heavy tetraquarks $T_{Q{Q}^{\prime }}$ in a relativized quark model
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• Towards a new paradigm for heavy-light meson spectroscopy
• Prospects of discovering stable double-heavy tetraquarks at a Tera-$Z$ factory
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• Few-body quark dynamics for doubly-heavy baryons and tetraquarks
• Systematics of the heavy flavor hadronic molecules
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• $P_c$ pentaquarks with chiral tensor and quark dynamics
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• Stable double-heavy tetraquarks: spectrum and structure
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• Hidden-charm and bottom tetra- and pentaquarks with strangeness in the hadro-quarkonium and compact tetraquark models
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• Hadro-quarkonium from Lattice QCD
• The structure of pentaquarks $P_c^{+}$ in the chiral quark model
• Decays of $P_c$ into $J/\psi N$ and ${\eta }_{c}N$ with heavy quark spin symmetry
• Hadronic molecules in B decays
• $D{D}^{\ast }$ potentials in chiral perturbation theory and possible molecular states
• Measurement of integrated luminosities at BESIII for data samples at center-of-mass energies between 4.0 and 4.6 GeV
• Scattering amplitudes from finite-volume spectral functions
• Cross section measurements of $e^{+}{e}^{-}\to \omega {\chi }_{c0}$ from $\sqrt{s}=$4.178 to 4.278 GeV
• Spectroscopy of the hidden-charm $[qc][\bar{q}\bar{c}]$ and $[sc][\bar{s}\bar{c}]$ tetraquarks
• Decay behaviors of Pc hadronic molecules
• Hidden-charm and bottom meson-baryon molecules coupled with five-quark states
• A Review on Partial-wave Dynamics with Chiral Effective Field Theory and Dispersion Relation
• Novel Method for Precisely Measuring the $X(3872)$ Mass
• Molecular nature of $P_{cs}(4459)$ and its heavy quark spin partners
• $Z_{cs}(3985{)}^{-}$ 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
• Charm-beauty meson bound states from $B(B^{\ast })D(D^{\ast })$ and $B(B^{\ast })\bar{D}({\bar{D}}^{\ast })$ interaction
• Hidden charm octet tetraquarks from a diquark-antidiquark model
• Quark model estimate of hidden-charm pentaquark resonances
• Triangle singularity as the origin of $X_0(2900)$ and $X_1(2900)$ observed in $B^{+}\to D^{+}{D}^{-}{K}^{+}$
• Effective range expansion for narrow near-threshold resonances
• The $X(4140)$, $X(4274)$, $X(4500)$ and $X(4700)$ in the relativized quark model
• Deciphering the nature of X(3872) in heavy ion collisions
• 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
• Predicting another doubly charmed molecular resonance $T_{cc}^{\prime +}(3876)$
• Heavy molecules and one-$\sigma /\omega$-exchange model
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• Search for beautiful tetraquarks in the ${\rm Y}(1S)\mu \mu$ invariant-mass spectrum
• First study of the two-body scattering involving charm hadrons
• Coupled-channel approach in hadron-hadron scattering
• 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
• Hadronic molecule interpretation of $T_{cc}^{+}$ and its beauty-partners
• General considerations on the nature of $Z_b(10610)$ and $Z_b(10650)$ from their pole positions
• Decoding the $X(5568)$ as a fully open-flavor $su\bar{b}\bar{d}$ tetraquark state
• Searching for possible ${\Omega }_c-$like molecular states from ${\Xi }_c^{\ast }\bar{K}/{\Xi }_c{\bar{K}}^{\ast }/{\Xi }_c^{\prime }{\bar{K}}^{\ast }$ interaction
• The Dynamical Diquark Model: First Numerical Results
• Understanding the internal structures of the $X(4140)$, $X(4274)$, $X(4500)$ and $X(4700)$
• Probing hidden-charm decay properties of $P_c$ states in a molecular scenario
• Positive-parity linear-chain molecular band in ${}^{16}$C
• Coupled-channel effects of the ${\Sigma }_c^{(\ast )}{\bar{D}}^{(\ast )}$-${\Lambda }_c(2595)\bar{D}$ system and molecular nature of the $P_c$ pentaquark states from one-boson exchange model
• Magnetic dipole moments of the hidden-charm pentaquark states: $P_c(4440)$, $P_c(4457)$ and $P_{cs}(4459)$
• Hidden-charm pentaquarks and their hidden-bottom and $B_c$-like partner states
• Molecular states from $D^{(\ast )}{\bar{D}}^{(\ast )}/B^{(\ast )}{\bar{B}}^{(\ast )}$ and $D^{(\ast )}{D}^{(\ast )}/{\bar{B}}^{(\ast )}{\bar{B}}^{(\ast )}$ interactions
• Theoretical study of the Xi(1620) and Xi(1690) resonances in Xi_c -> pi^+ MB decays
• Magnetic dipole moments of the $T_{cc}^{+}$ and $Z_V^{++}$ tetraquark states
• The baryo-quarkonium picture for hidden-charm and bottom pentaquarks and LHCb $P_{\mathrm{c}}(4380)$ and $P_{\mathrm{c}}(4450)$ states
• Production of $P_c$ states from ${\Lambda }_b$ decay
• Study of the $DK$ interaction with femtoscopic correlation functions
• 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
• XYZ-like Spectra from Laplace Sum Rule at N2LO in the Chiral Limit
• Spectrum of the Hidden-Bottom and the Hidden-Charm/Strange Exotics in the Dynamical Diquark Model
• Spectrum and rearrangement decays of tetraquark states with four different flavors
• Probing new types of $P_c$ states inspired by the interaction between an $S$-wave charmed baryon and an anticharmed meson in a $\bar{T}$ doublet state
• The $X_0(2900)$ and its heavy quark spin partners in molecular picture
• Systematic studies of charmonium-, bottomonium-, and $B_c$-like tetraquark states
• Nucleon Resonances with Hidden Charm in $\gamma p$ reactions
• $P_c(4312{)}^{+}$, $P_c(4380{)}^{+}$, and $P_c(4457{)}^{+}$ as double triangle cusps
• Doubly heavy tetraquarks in an extended chromomagnetic model
• Form factors of two-hadron states from a covariant finite-volume formalism
• Prediction of exotic doubly charmed baryons within chiral effective field theory
• What can we learn from the electromagnetic properties of hidden-charm molecular pentaquarks with single strangeness?
• Confronting pentaquark photoproduction with new LHCb observations
• From the lineshape of the $X(3872)$ to its structure
• Establishing low-lying doubly charmed baryons
• The hidden charm pentaquarks are the hidden color-octet $uud$ baryons?
• Strong decays of the newly $P_{cs}(4459)$ as a strange hidden-charm ${\Xi }_c{\bar{D}}^{\ast }$ molecule
• Strong decays of $T_{c\bar{s}0}(2900{)}^{++/0}$ as a fully open-flavor tetraquark state
• The production of doubly charmed exotic hadrons in heavy ion collisions
• Heavy pentaquark spectroscopy in the diquark model
• A new look at the $P_{cs}$ states from a molecular perspective
• Strong decays of higher charmonium states into open-charm meson pairs
• Understanding spin parity of $P_c(4450)$ and $Y(4274)$ in a hadronic molecular state picture
• Hidden-Bottom Pentaquarks
• Z_c -like spectra from QCD Laplace sum rules at NLO
• The BESIII Physics Programme
• Tetraquark bound states in constituent quark models: benchmark test calculations
• Mass spectrum of the hidden-charm pentaquarks in the compact diquark model
• A tetraquark or not a tetraquark: A holography inspired stringy hadron (HISH) perspective
• Observation of the decay $X(3872)\to {\pi }^0{\chi }_{c1}(1P)$
• Decoding the nature of $Z_{cs}(3985)$ and establishing the spectrum of charged heavy quarkoniumlike states in chiral effective field theory
• Weak decays of the axial-vector tetraquark $T_{bb;\bar{u}\bar{d}}^{-}$
• Nucleon-$J/\psi$ and nucleon-${\eta }_c$ scattering in $P_c$ pentaquark channels from LQCD
• $Z_{cs}(3985{)}^{-}$: a strange hidden-charm tetraquark resonance or not?
• ${\bar{B}}^{(\ast )}{\bar{B}}^{(\ast )}$ interactions in chiral effective field theory
• Deuteron-like states composed of two doubly charmed baryons
• Measurement of the cross section for $e^{+}{e}^{-}\to {\Xi }^{-}{\bar{\Xi }}^{+}$ and observation of an excited $\Xi$ baryon
• Weak Decays of Triply Heavy Baryons
• Emergence of molecular-type characteristic spectrum of hidden-charm pentaquark with strangeness embodied in the $P_{\psi s}^{\Lambda }(4338)$ and $P_{cs}(4459)$
• New scalar resonance $X_0(2900)$ as a ${\overline{D}}^{\ast }{K}^{\ast }$ molecule: Mass and width
• Investigation of magnetic moment of $P_{cs}(4338)$ and $P_{cs}(4459)$ pentaquark states
• Revisiting the $D{D}^{\ast }$ chiral interactions with the local momentum-space regularization up to the third order and the nature of $T_{cc}^{+}$
• Producing fully-charm structures in the $J/\psi$-pair invariant mass spectrum
• Decay behaviors of possible ${\Lambda }_{c\bar{c}}$ states in hadronic molecule pictures
• Production of $P_{cs}(4459)$ from ${\Xi }_b$ decay
• Heavy quark symmetry and weak decays of the $b$-baryons in pentaquarks with a $c\bar{c}$ component
• The doubly charmed pseudoscalar tetraquarks $T_{cc;\bar{s}\bar{s}}^{++}$ and $T_{cc;\bar{d}\bar{s}}^{++}$
• Surveying exotic pentaquarks with the typical $QQqq\bar{q}$ configuration
• Observation of the $Y(4220)$ and $Y(4360)$ in the process $e^{+}{e}^{-}\to \eta J/\psi$
• Analysis of the hidden-charm tetraquark mass spectrum with the QCD sum rules
• Resolving the low mass puzzle of ${\Lambda }_c(2940{)}^{+}$
• $K^{\ast }$ mesons with hidden charm arising from $KX(3872)$ and $K{Z}_c(3900)$ dynamics
• Prediction of hidden-charm pentaquarks with double strangeness
• Recently observed $P_c$ as molecular states and possible mixture of $P_c(4457)$
• How to understand the $X(2900)$?
• Pentaquarks with hidden charm as hadroquarkonia
• Triangle singularities in $B^{-}\to K^{-}{\pi }^{-}{D}_{s0}^{+}$ and $B^{-}\to K^{-}{\pi }^{-}{D}_{s1}^{+}$
• Molecular picture for $X_0(2900)$ and $X_1(2900)$
• Excited mesons, baryons, glueballs and tetraquarks: Predictions of the Holography Inspired Stringy Hadron model
• Towards the quark mass dependence of $T_{cc}^{+}$ from lattice QCD
• Higher fully-charmed tetraquarks: Radial excitations and P-wave states
• $S$-wave fully charmed tetraquark resonant states
• Double-charm tetraquark under the complex scaling method
• Exotic triple-charm deuteron-like hexaquarks
• Landau equation and QCD sum rules for the tetraquark molecular states
• Fully heavy pentaquarks
• 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 $2^{++}$
• Possible triple-charm molecular pentaquarks from ${\Xi }_{cc}{D}_1/{\Xi }_{cc}{D}_2^{\ast }$ interactions
• The double thresholds distort the lineshapes of the $P_{\psi s}^{\Lambda }(4338{)}^0$ resonance
• ${\Xi }_c$ and ${\Xi }_b$ excited states within a ${\mathrm{SU}(6)}_{\mathrm{lsf}}\times$HQSS model
• How to reveal the nature of three or more pentaquark states?
• Toward charged $Z_{cs}(3985)$ structure under a reflection mechanism
• Doubly charmed molecular pentaquarks
• Hadronic molecular assignment for the newly observed ${\Omega }^{\ast }$ state
• Spectroscopy behavior of fully heavy tetraquarks
• Establishing the heavy quark spin and light flavor molecular multiplets of the $X(3872)$, $Z_c(3900)$ and $X(3960)$
• Strong and radiative decays of DΞmolecular state and newly observed ${\Omega }_c$ states
• Hidden-charm pentaquarks with triple strangeness due to the ${\Omega }_c^{(\ast )}{\bar{D}}_s^{(\ast )}$ interactions
• Hidden charm pentaquarks with color-octet substructure in QCD Sum Rules
• Building up the spectrum of pentaquark states as hadronic molecules
• Exotic $bc\bar{q}\bar{q}$ four-quark states
• A possible partner state of the $Y(2175)$
• Investigating the hidden-charm and hidden-bottom pentaquark resonances in scattering process
• $D^{(\ast )}N$ interaction and the structure of ${\Sigma }_c(2800)$ and ${\Lambda }_c(2940)$ in chiral effective field theory
• New charged resonance $Z_c^{-}(4100)$: the spectroscopic parameters and width
• Hidden charm pentaquark states in a diquark model
• Very heavy flavored dibaryons
• Four-quark states from functional methods
• Exotic ${\bar{D}}_s^{(\ast )}{D}^{(\ast )}$ molecular states and $sc\bar{q}\bar{c}$ tetraquark states with $J^P=0^{+},1^{+},2^{+}$
• Doubly Heavy Tetraquark Resonant States
• LHCb pentaquarks in constituent quark models
• $Z_c(3900)$ as a $D{\bar{D}}^{\ast }$ molecule from the pole counting rule
• Implications of the $Z_{cs}(3985)$ and $Z_{cs}(4000)$ as two different states
• Triangular singularity and a possible $\varphi p$ resonance in the ${\Lambda }_c^{+}\to {\pi }^0\varphi p$ decay
• Open-flavor charmed/bottom $sq\bar{q}\bar{Q}$ and $qq\bar{q}\bar{Q}$ tetraquark states
• Tetraquarks in large-$N_c$ QCD
• Revisit the isospin violating decays of $X(3872)$
• Predicting the ${\bar{D}}_s^{(\ast )}{D}_s^{(\ast )}$ bound states as the partners of $X(3872)$
• How to understand the underlying structures of $X(4140)$, $X(4274)$, $X(4500)$ and $X(4700)$
• Production of exotic tetraquarks $QQ\bar{q}\bar{q}$ in heavy-ion collisions at the LHC
• ${\Sigma }_{1/2^{-}}^{\ast }(1380)$ in the ${\Lambda }_c^{+}\to \eta {\pi }^{+}\Lambda$ decay
• Triply heavy tetraquark states with the $QQ\bar{Q}\bar{q}$ configuration
• Benchmark calculations of fully heavy compact and molecular tetraquark states
• Pole determination of $P_{\psi s}^{\Lambda }(4338)$ and possible $P_{\psi s}^{\Lambda }(4255)$ in $B^{-}\to J/\psi \Lambda \bar{p}$
• Semileptonic $B$ and $B_s$ decays involving scalar and axial-vector mesons
• Are the $Y$ states around 4.6 GeV from $e^{+}{e}^{-}$ annihilation higher charmonia?
• Strong and radiative decays of excited vector mesons and predictions for a new $\varphi (1930)$ resonance
• $P$-wave charmed baryons of the $SU(3)$ flavor $6_F$
• A combined analysis of the $Z_c(3900)$ and the $Z_{cs}(3985)$ exotic states
• Observation of Three Charmoniumlike States with $J^{PC}=1^{--}$ in $e^{+}{e}^{-}\to D^{\ast 0}{D}^{\ast -}{\pi }^{+}$
• Diabatic description of charmonium-like mesons
• Measurement of the cross section for $e^{+}{e}^{-}\to \Lambda \bar{\Lambda }$ and evidence of the decay $\psi (3770)\to \Lambda \bar{\Lambda }$
• Study the molecular nature of $\sigma$, $f_0(980)$, and $a_0(980)$ states
• Mass behavior of hidden-charm pentaquarks with open-strange inspired by these established $P_c$ molecular states
• Stable heavy pentaquarks in constituent models
• Strong Decay of $P_c(4380)$ Pentaquark in a Molecular Picture
• Charmonium and Charmoniumlike States at the BESIII Experiment
• Cross Section Measurement of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\psi (3686)$ from $\sqrt{s}=4.0076$~GeV to 4.6984~GeV
• $S$- and $P$-wave fully-strange tetraquark states from QCD sum rules
• $B_c\to B_{sJ}$ form factors and $B_c$ decays into $B_{sJ}$ in covariant light-front approach
• Fine Structure of Pentaquark Multiplets in the Dynamical Diquark Model
• Exotic double-charm molecular states with hidden or open strangeness and around $4.5\sim 4.7$ GeV
• Electromagnetic multipole moments of the $P_c^{+}(4380)$ pentaquark in light-cone QCD
• Excited $K$ meson, $K_c(4180)$, with hidden charm as a $D\bar{D}K$ bound state
• QCD axial anomaly enhances the $\eta {\eta }^{\prime }$ decay of the hybrid candidate ${\eta }_1(1855)$
• Studying the interaction between charm and light-flavor mesons
• Spectrum of the S-wave fully-heavy tetraquark states
• Predicting a new resonance as charmed-strange baryonic analog of $D_{s0}^{\ast }(2317)$
• Search for a hidden strange baryon-meson bound state from $\varphi$ production in a nuclear medium
• Masses of open charm and bottom tetraquark states in a relativized quark model
• Doubly heavy tetraquark multiplets as heavy antiquark-diquark symmetry partners of heavy baryons
• Hidden-bottom and -charm hexaquark states in QCD sum rules
• Search for muoproduction of $X(3872)$ at COMPASS and indication of a new state $\tilde{X}(3872)$
• $X(3872)$ as a four-quark state in a Dyson-Schwinger/Bethe-Salpeter approach
• Magnetic dipole moment of the $Z_{cs}(3985)$ state: diquark-antidiquark and molecular pictures
• Study of the $X^{\pm }(5568)$ state with semileptonic decays of the $B_s^0$ meson
• Molecular ${\Omega }_b$ states
• Decay behavior of the strange and beauty partners of $P_c$ hadronic molecules
• Investigating new type of doubly-charmed molecular tetraquarks composed of the charmed meson in $H$-doublet and the charmed meson in $T$-doublet
• Charmed-strange tetraquarks and their decays in a potential quark model
• The Spectrum of $P$-Wave Hidden-Charm Exotic Mesons in the Diquark Model
• Photoproduction of hidden-bottom pentaquark and related topics
• Is the newly reported $X(5568)$ a $B\bar{K}$ molecular state?
• Heavy Flavour Physics and CP Violation at LHCb: a Ten-Year Review
• Universal behavior of mass gaps existing in the single heavy baryon family
• Nature of the $Y(4260)$: A light-quark perspective
• Analysis of the $B^{+}\to J/\psi \varphi K^{+}$ data at low $J/\psi \varphi$ invariant masses and the $X(4140)$ and $X(4160)$ resonances
• Exploring the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}_s^{\ast }$ and ${\Omega }_c^{(\ast )}{\bar{D}}_s^{\ast }$ molecular states
• Spectrum of the doubly charmed molecular pentaquarks in chiral effective field theory
• Application of the QCD light cone sum rule to tetraquarks: the strong vertices $X_b{X}_b\rho$ and $X_c{X}_c\rho$
• Correlation of the hidden-charm molecular tetraquarks and the charmoniumlike structures existing in the $B\to XYZ+K$
• Prediction of a narrow exotic hadronic state with quantum numbers $J^{PC}=0^{--}$
• The lineshape of the compact fully heavy tetraquark
• Photoproduction of hidden-charm states in the $\gamma p\to {\bar{D}}^{\ast 0}{\Lambda }_c^{+}$ reaction near threshold
• Analysis of the vector tetraquark states with P-waves between the diquarks and antidiquarks via the QCD sum rules
• Resonant parameters of the $Y(4220)$
• Selected strong decays of pentaquark State $P_c(4312)$ in a chiral constituent quark model
• Spectrum of the molecular pentaquarks
• Newly observed $X(4630)$: a new charmoniumlike molecule
• Decay width of $d^{\ast }(2380)\to NN\pi$ process in a chiral constituent quark model
• Hidden Bottom Pentaquark States with Spin 3/2 and 5/2
• $P_{\psi s}^{\Lambda }(4459)$ and $P_{\psi s}^{\Lambda }(4338)$ as molecular states in $J/\psi \Lambda$ invariant mass spectra
• Concavity of the meson Regge trajectories
• 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
• Revealing the nature of hidden charm pentaquarks with machine learning
• Search for doubly-heavy dibaryons in a quark model
• Hidden charmed states and multibody color flux-tube dynamics
• Prediction of an exotic state around 4240 MeV with $J^{PC}=1^{-+}$ as C-parity partner of Y(4260) in molecular picture
• Going in quest of potential tetraquark interpretations for the newly observed $T_{\psi \psi }$ states in light of the diquark-antidiquark scenarios
• The strong decay patterns of $Z_c$ and $Z_b$ states in the relativized quark model
• Investigation of the possible $D{\bar{D}}^{\ast }$/$B{\bar{B}}^{\ast }$ and $D{D}^{\ast }$/$\bar{B}{\bar{B}}^{\ast }$ molecule states
• Magnetic moments of the spin-1/2 singly charmed baryons in covariant baryon chiral perturbation theory
• Heavy-hadron molecular spectrum from light-meson exchange saturation
• Tetraquark and two-meson states at large $N_{\mathrm{c}}$
• The Dynamical Diquark Model: Fine Structure and Isospin
• Canonical interpretation of the $X(4140)$ state within the ${}^3{P}_0$ model
• Radiative transitions and magnetic moments of the charmed and bottom vector mesons in chiral perturbation theory
• Observation of a vector charmoniumlike state at 4.7 $\mathrm{GeV}/c^2$ and search for $Z_{cs}$ in $e^{+}{e}^{-}\to K^{+}{K}^{-}J/\psi$
• The quasi-fission phenomeonon of double charm $T_{cc}^{+}$ induced by nucleon
• Fully heavy pentaquarks in quark models
• Ground state baryons in the flux-tube three-body confinement model using Diffusion Monte Carlo
• The hidden-charm strong decays of the $Z_c$ states
• ${\bar{D}}_s^{(\ast )}{D}^{(\ast )}$ molecular state with $J^P=1^{+}$
• Fully-heavy pentaquark states
• Electromagnetic properties of doubly heavy pentaquark states
• Is the $Y(2175)$ a Strangeonium Hybrid Meson?
• Photoproduction of strange hidden-charm and hidden-bottom states
• Doubly charmed tetraquarks in a diquark-antidiquark model
• Resonance $Y(4660)$ as a vector tetraquark and its strong decay channels
• Is $X(7200)$ the heavy anti-quark diquark symmetry partner of $X(3872)$?
• $Z_b(10610)$ and $Z_b^{\prime }(10650)$ decays in a covariant quark model
• Modern meson spectroscopy: the fundamental role of unitarity
• Evidence for a neutral near-threshold structure in the $K_{\mathrm{S}}^0$ recoil-mass spectra in $e^{+}{e}^{-}\to K_{\mathrm{S}}^0{D}_s^{+}{D}^{\ast -}$ and $e^{+}{e}^{-}\to K_{\mathrm{S}}^0{D}_s^{\ast +}{D}^{-}$
• Partial decay widths of $P_c(4312)$ as a $\bar{D}{\Sigma }_c$ molecular state
• Modeling Charmonium-$\eta$ Decays of $J^{PC}=1^{--}$ Higher Charmonia
• Triple-charm molecular states composed of $D^{\ast }{D}^{\ast }D$ and $D^{\ast }{D}^{\ast }{D}^{\ast }$
• Chiral effective theory of diquarks and the U_A(1) anomaly
• Pentaquark states with the $QQQq\bar{q}$ configuration in a simple model
• Interference effect as resonance killer of newly observed charmoniumlike states $Y(4320)$ and $Y(4390)$
• Exotic glueball $0^{\pm -}$ states in QCD Sum Rules
• Triangle Singularity in the Production of $X(3872)$ and a Photon in $e^{+}{e}^{-}$ Annihilation
• Open charm-bottom scalar tetraquarks and their strong decays
• NLO results with operator mixing for fully heavy tetraquarks in QCD sum rules
• New insight into the exotic states strongly coupled with the $D{\bar{D}}^{\ast }$ from the $T_{cc}^{+}$
• 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?
• Exotic fully-heavy $Q\bar{Q}Q\bar{Q}$ tetraquark states in $8_{[Q\bar{Q}]}\otimes 8_{[Q\bar{Q}]}$ color configuration
• Two-particle scattering from finite-volume quantization conditions using the plane wave basis
• Masses of fully-heavy tetraquark states from a four-quark static potential model
• Surveying the mass spectra and the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{D}^{(\ast )}$ molecular pentaquarks
• Spectroscopic survey of higher-lying states of $B_c$ meson family
• Vector resonance $X_1(2900)$ and its structure
• Observation of a near-threshold enhancement in the $\Lambda \bar{\Lambda }$ mass spectrum from $e^{+}{e}^{-}\to \varphi \Lambda \bar{\Lambda }$ at $\sqrt{s}$ from 3.51 to 4.60 GeV
• Fully-heavy structures in the invariant mass spectrum of $J/\psi \psi (3686)$, $J/\psi \psi (3770)$, $\psi (3686)\psi (3686)$, and $J/\psi {\rm Y}(1S)$ at hadron colliders
• Anticharmed strange pentaquarks from the one-boson-exchange model
• Triangle singularity in $B^{-}\to K^{-}X(3872);X\to {\pi }^0{\pi }^{+}{\pi }^{-}$ and the X(3872) mass
• $X(4260)$ Revisited: A Coupled Channel Perspective
• Understanding the $0^{++}$ and $2^{++}$ charmonium(-like) states near 3.9 GeV
• Possible open-charmed pentaquark molecule ${\Omega }_c(3188)$ --- the $D\Xi$ bound state --- in the Bethe-Salpeter formalism
• QCD sum rule studies on the $ss\bar{s}\bar{s}$ tetraquark states with $J^{PC}=1^{+-}$
• Newly observed $a_0(1817)$ as the scaling point of constructing the scalar meson spectroscopy
• Fully-charm and -bottom pentaquarks in a Lattice-QCD inspired quark model
• A new group of doubly charmed molecule with $T$-doublet charmed meson pair
• The $B^{+}\to J/\psi \omega K^{+}$ reaction and $D^{\ast }{\bar{D}}^{\ast }$ molecular states
• XYZ-SU3 Breakings from Laplace Sum Rules at Higher Orders
• Radial and orbital Regge trajectories in heavy quarkonia
• Triply heavy tetraquark states
• Doubly heavy tetraquark states in the constituent quark model using diffusion Monte Carlo method
• Production of $X(3872)$ Accompanied by a Pion in $B$ Meson Decay
• Role of the $N^{\ast }(1535)$ in the ${\Lambda }_c^{+}\to {\bar{K}}^0\eta p$ decay
• Decay behaviors of the fully-bottom and fully-charm tetraquark states
• Heavy baryon spectrum with chiral multiplets of scalar and vector diquarks
• Magnetic dipole moments of the $Z_c(4020{)}^{+}$, $Z_c(4200{)}^{+}$, $Z_{cs}(4000{)}^{+}$ and $Z_{cs}(4220{)}^{+}$ states in light-cone QCD
• Possible $B^{(\ast )}\bar{K}$ hadronic molecule state
• Heavy exotic scalar meson $T_{bb;\bar{u}\bar{s}}^{-}$
• Where are $3P$ and higher $P-$wave states in the charmonium family?
• Analysis of the fully-heavy pentaquark states via the QCD sum rules
• The resonances $X(4140)$, $X(4160)$, and $P_{cs}(4459)$ in the decay of ${\Lambda }_b\to J/\psi \Lambda \varphi$
• Investigation of the light four-quark states with exotic $J^{PC}=0^{--}$
• $B_s\pi$--$B\bar{K}$ interactions in finite volume and the $X(5568)$
• Deciphering the charged heavy quarkoniumlike states in chiral effective field theory
• X(3872): propagating in a dense medium
• Comprehending Isospin breaking effects of $X(3872)$ in a Friedrichs-model-like scheme
• Nucleon-charmonium interactions from lattice QCD
• $\bar{K}\Lambda$ molecular explanation to the newly observed $\Xi (1620{)}^0$
• Light unflavor vector meson spectroscopy around the mass range of $2.4\sim 3$ GeV and possible experimental evidence
• Spectrum of the molecular tetraquarks: Unraveling the $T_{cs0}(2900)$ and $T_{c\bar{s}0}^a(2900)$
• Magnetic moments of the doubly charged axial-vector $T_{cc}^{++}$ states
• A suggested search for doubly charmed baryons of $J^P=3/2^{+}$ via their electromagnetic transitions
• Revisiting $X(3872)\to D^0{\bar{D}}^0{\pi }^0$ in XEFT
• The low-lying hidden- and double-charm tetraquark states in a constituent quark model with Instanton-induced Interaction
• Heavy flavor pentaquarks with four heavy quarks
• Probing the electromagnetic properties of the ${\Sigma }_c^{(\ast )}{D}^{(\ast )}$-type doubly charmed molecular pentaquarks
• The Scalar Hexaquark $uuddss$: a Candidate to Dark Matter?
• Higher molecular $P_{\psi s}^{\Lambda /\Sigma }$ pentaquarks arising from the ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}_1/{\Xi }_c^{(\prime ,\ast )}{\bar{D}}_2^{\ast }$ interactions
• Possible hadronic molecules composed of the doubly charmed baryon and nucleon
• Confirming the existence of a new higher charmonium $\psi (4500)$ by the newly released data of $e^{+}{e}^{-}\to K^{+}{K}^{-}J/\psi$
• Generating a resonance-like structure in the reaction $B_c\to B_s\pi \pi$
• Settling the $Z_c(4600)$ in the charged charmonium-like family
• On the hidden charm pentaquark-s in ${\Lambda }_b\to J/\psi K^{-}p$ decay
• Triply-heavy tetraquarks in an extended relativized quark model
• Systematic analysis of strange single heavy baryons ${\Xi }_c$ and ${\Xi }_b$
• Search for a $D\bar{D}$ bound state in the ${\Lambda }_b\to \Lambda D\bar{D}$ process
• Triply heavy $QQ\bar{Q}\bar{q}$ tetraquark states
• ${\Sigma }_{c}N$ interaction in chiral perturbation theory
• $P_c$-like pentaquarks in hidden strange sector
• Radiative decays and magnetic moments of the predicted $B_c$-like molecules
• Decay properties of $P_c$ states through the Fierz rearrangement
• Open charm-bottom axial-vector tetraquarks and their properties
• $T_{cc}^{+}$ and $X(3872)$ with the complex scaling method and $DD(\bar{D})\pi$ three-body effect
• Evidence for a vector charmonium-like state in $e^{+}{e}^{-}\to D_s^{+}{D}_{s2}^{\ast }(2573{)}^{-}+c.c.$
• $b$-hadron spectroscopy study based on the similarity of double bottom baryon and bottom meson
• Where are ${\chi }_{cJ}(3P)$?
• Production of Charmed Tetraquarks from $B_c$ and $B$ decays
• Line-shape and poles of the $\psi (3770)$
• Investigation of the stability for fully-heavy $bc\bar{b}\bar{c}$ tetraquark states
• Dispersive analysis of the $\gamma \gamma \to D\bar{D}$ data and the confirmation of the $D\bar{D}$ bound state
• Tetraquarks in holographic QCD
• Molecular ${\Omega }_{cc}$ , ${\Omega }_{bb}$ and ${\Omega }_{bc}$ states
• Radiative decays of the spin-$2$ partner of $X(3872)$
• Measurement of $e^{+}{e}^{-}\to {\pi }^0{\pi }^0\psi (3686)$ at $\sqrt{s}$ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure
• Electromagnetic form factors of the $B_c$-like tetraquarks: molecular and diquark-antidiquark pictures
• Double-charm heptaquark states composed of two charmed mesons and one nucleon
• Improved understanding of the peaking phenomenon existing in the new di-$J/\psi$ invariant mass spectrum from the CMS Collaboration
• Unified description of the $Qs\bar{q}\bar{q}$ molecular bound states, molecular resonances and compact tetraquark states in the quark potential model
• $D^{\pm }{D}^{\ast \mp }$ Hadronic Atom as a Key to Revealing the $X(3872)$ Mystery
• Testing the doubly charged charm-strange tetraquarks
• ${\Lambda }_c(2910)$ and ${\Lambda }_c(2940)$ as the conventional baryons dressed with the $D^{\ast }N$ channel
• $Z_c(4430)$ and $Z_c(4200)$ as triangle singularities
• Possibility of $T_{c\bar{s}}(2900)$ as the resonance-like structure induced by threshold effects
• A high-energy QCD portal to exotic matter: Heavy-light tetraquarks at the HL-LHC
• Doubly hidden-charm/bottom $QQ\bar{Q}\bar{Q}$ tetraquark states
• Fully charmed tetraquarks from LHC to FCC: Natural stability from fragmentation
• 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
• Production of hidden-charm strange pentaquarks $P_{cs}$ from the $K^{-}p\to J/\psi \Lambda$ reaction
• The $\varphi (2170)$ production in the process $\gamma p\to \eta \varphi p$
• New type of doubly charmed molecular pentaquarks containing most strange quarks: Mass spectra, radiative decays, and magnetic moments
• Hadronic molecular states from the $K{\bar{K}}^{\ast }$ interaction
• Understanding $B^{-}\to X(3823)K^{-}$ via rescattering mechanism and predicting $B^{-}\to {\eta }_{c2}{(}^1{D}_2)/{\psi }_3{(}^3{D}_3)K^{-}$
• Triangle singularity appearing as an $X(3872)$-like peak in $B\to (J/\psi {\pi }^{+}{\pi }^{-})K\pi$
• Diagrammatic analysis of hidden- and open-charm tetraquark production in $B$ decays
• Resolving ambiguities in model-independent partial-wave analysis of three-body decay
• Mass Predictions of Vector ($1^{--}$) Double-gluon Heavy Quarkonium Hybrids from QCD Sum Rules
• Fully open-flavor tetraquark states $bc\bar{q}\bar{s}$ and $sc\bar{q}\bar{b}$ with $J^P=0^{+},1^{+}$
• The X(3872) tetraquarks in B and B_s decays
• Triply charmed dibaryons in the one boson exchange model
• Precise Measurement of Born Cross Sections for $e^{+}{e}^{-}\to D\bar{D}$ at $\sqrt{s}=3.80-4.95$ GeV
• Hidden-flavour four-quark states in the charm and bottom region
• $X(3872)$ as virtual companion pole of the charm-anticharm state ${\chi }_{c1}(2P)$
• Six-quark structure of $d^{\ast }(2380)$ in chiral constituent quark model
• $P_c$ states and their open-charm decays with the complex scaling method
• Axial Vector $cc$ and $bb$ Diquark Masses from QCD Laplace Sum-Rules
• Properties of single cluster structure of $d^{\ast }(2380)$ in chiral SU(3) quark model
• Manifestly exotic pentaquarks with a single heavy quark
• Precise determination of the pole position of the exotic $Z_c(3900)$
• Revisiting hidden-charm pentaquarks from QCD sum rules
• $ND$ and $NB$ systems in quark delocalization color screening model
• Three-body molecules $\bar{D}{\bar{D}}^{\ast }{\Sigma }_c$- understanding the nature of $T_{cc}$, $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• Revisiting the pion Regge trajectories
• Improved XTZ masses and mass ratios from Laplace Sum Rules at NLO
• Novel pentaquark picture for singly heavy baryons from chiral symmetry
• Lattice QCD study of the elastic and transition form factors of charmed baryons
• Triangle singularities in ${\bar{B}}^0\to {\chi }_{c1}{K}^{-}{\pi }^{+}$ relevant to $Z_1(4050)$ and $Z_2(4250)$
• Pentaquarks with anticharm or beauty revisited
• Decays of $X(3872)$ to ${\chi }_{cJ}{\pi }^0$ and $J/\psi {\pi }^{+}{\pi }^{-}$
• Prompt production of the hidden charm pentaquarks in the LHC
• Masses and magnetic moments of exotic fully heavy pentaquarks
• Bottomoniumlike states in proton collisions: Fragmentation and resummation
• Reanalysis of the newly observed ${\Omega }^{\ast }$ state in hadronic molecule model
• 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
• Faddeev fixed-center approximation to the $D\bar{D}K$ system and the hidden charm $K_{c\bar{c}}(4180)$ state
• New hadron configuration: The double-gluon hybrid state
• Heavy quark spin multiplet structure of $P_c$-like pentaquark as P-wave hadronic molecular state
• Hidden-bottom molecular states from ${\Sigma }_b^{(\ast )}{B}^{(\ast )}-{\Lambda }_b{B}^{(\ast )}$ interaction
• Two-Body Strong Decay of the 2P and 3P Charmonium states
• Diabatic description of bottomoniumlike mesons
• Refining radiative decay studies in singly heavy baryons
• Exotic tetraquarks at the HL-LHC with JETHAD: A high-energy viewpoint
• Weak Decays of Stable Open-bottom Tetraquark by SU(3) Symmetry Analysis
• Searching for hidden-charm baryonium signals in QCD sum rules
• Virtual states in the coupled-channel problems with an improved complex scaling method
• On the form factors of $d^{\ast }(2380)$
• The interplay between compact and molecular structures in tetraquarks
• Doubly heavy baryon spectra guided by lattice QCD
• Production of $N^{\ast }(1535)$ and $N^{\ast }(1650)$ in ${\Lambda }_c\to {\bar{K}}^0\eta p$ $(\pi N)$ decay
• Measurements of $e^{+}{e}^{-}\to K_S^0{K}^{\pm }{\pi }^{\mp }{\pi }^0$ and $K_S^0{K}^{\pm }{\pi }^{\mp }\eta$ at center-of-mass energies from $3.90$ to $4.60\mathrm{GeV}$
• The electromagnetic multipole moments of the charged open-flavor $Z_{\bar{c}q}$ states
• Flavor-singlet charm pentaquark
• The Strong Decays of X(3940) and X(4160)
• $D_{s0}(2590)$ as a dominant $c\bar{s}$ state with a small $D^{\ast }K$ component
• Mass-Spectroscopy of hidden charm and hidden strange tetraquarks in diquark-antidiquark approach
• Measurement of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{D}^{+}{D}^{-}$ cross sections at center-of-mass energies from 4.190 to 4.946 GeV
• 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
• Measurements of the branching fractions of ${\eta }_c\to K^{+}{K}^{-}{\pi }^0$, $K_S^0{K}^{\pm }{\pi }^{\mp }$,$2({\pi }^{+}{\pi }^{-}{\pi }^0)$, and $p\bar{p}$
• On the charge distribution of $d^{\ast }(2380)$
• Exotic pentaquark states with the $qqQQ\bar{Q}$ configuration
• 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
• Branching fractions of $B_{(c)}$ decays involving $J/\psi$ and $X(3872)$
• Fully strange tetraquark resonant states as the cousins of $X(6900)$
• Charmonium states in a coupled-channel model
• Modification of ${\chi }_{c1}$(3872) and $\psi$(2$S$) production in $p$Pb collisions at $\sqrt{s_{NN}}=8.16$ TeV
• Doubly charmed pentaquark states in QCD sum rules
• Measurement of the cross section of $e^{+}{e}^{-}\to {\Xi }^{-}{\bar{\Xi }}^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV
• Role of $Y(4630)$ in the $p\bar{p}\to {\Lambda }_c{\bar{\Lambda }}_c$ reaction near threshold
• $P_{cc}^N$ states in a unitarized coupled-channel approach
• Production of $Z_{cs}$ in $B$ and $B_s$ decay
• Near-threshold Spectrum from Uniformized Mittag-Leffler Expansion -Pole Structure of $Z(3900)$-
• Identify the hidden charm pentaquark signal from non-resonant background in electron-proton scattering
• NLO effects for ${\Omega }_{QQQ}$ Baryons in QCD Sum Rules
• Semi-inclusive lepto-production of hidden-charm exotic hadrons
• Mapping a new cluster of charmoniumlike structures at $e^{+}{e}^{-}$ collisions
• 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
• Estimates of the $X(3872)$ Cross Section at a Hadron Collider
• Investigation of $J/\psi \to \gamma {\pi }^0\eta ({\pi }^{+}{\pi }^{-},{\pi }^0{\pi }^0)$ radiative decays including final-state interactions
• Light axial-vector and vector resonances $X(2100)$ and $X(2239)$
• Possible Molecular States Composed of Doubly Charmed Baryons with Couple-channel Effect
• Evidence for $Z_c^{\pm }$ decays into the ${\rho }^{\pm }{\eta }_c$ final state
• Possible $D^{(\ast )}{\bar{D}}^{(\ast )}$ and $B^{(\ast )}{\bar{B}}^{(\ast )}$ molecular states in the extended constituent quark models
• Possible molecular states in $B^{(\ast )}{B}^{(\ast )}$ scatterings
• Production of $X(3872)$ Accompanied by a Soft Pion at Hadron Colliders
• Towards the decay properties of deuteron-like state $d_{N\Omega }$
• Perturbative QCD Evidence for Spin-2 Particles in the Di-$J/\psi$ Resonances
• Flavor Physics at the CEPC: a General Perspective
• One way to verify the molecular picture of exotic hadrons --from $DK$ to $DDK/D{\bar{D}}^{(\ast )}K$
• Mass spectra of $N\Omega$ dibaryons in the ${}^3{S}_1$ and ${}^5{S}_2$ channels
• Weak Decays of Doubly-Heavy Tetraquarks $b\bar{c}q\bar{q}$
• The $X(4140)$ and $X(4160)$ resonances in the $e^{+}{e}^{-}\to \gamma J/\psi \varphi$ reaction
• Fully heavy tetraquark resonant states with different flavors
• Possible bound states with hidden bottom from ${\bar{K}}^{(\ast )}{B}^{(\ast )}{\bar{B}}^{(\ast )}$ systems
• Deciphering the $X(3872)$ via its polarization in prompt production at the CERN LHC
• Possible hadronic molecular states composed of $S$-wave heavy-light mesons
• Diabatic description of charmoniumlike mesons II: mass corrections and strong decay widths
• Doubly-Charged $T_{cc}^{++}$ States in the Dynamical Diquark Model
• Fragmentation functions for axial-vector heavy tetraquarks: A TQ4Q1.1 update
• Observation of $e^{+}{e}^{-}\to \varphi {\chi }_{c1}$ and $\varphi {\chi }_{c2}$ at $\sqrt{s}$=4.600 GeV
• Search for new decay modes of the ${\psi }_2(3823)$ and the process $e^{+}{e}^{-}\to {\pi }^0{\pi }^0{\psi }_2(3823)$
• $T_{bbb}$: a three $B-$meson bound state
• 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
• Is the resonance $X_0(2900)$ a ground-state or radially excited scalar tetraquark $[ud][\overline{c}\overline{s}]$?
• Reconciling the X(2240) with the Y(2175)
• Observation of $\Omega (2012{)}^{-}\to \Xi (1530)\bar{K}$ and measurement of the effective couplings of $\Omega (2012{)}^{-}$ to $\Xi (1530)\bar{K}$ and $\Xi \bar{K}$
• Mass spectra for the $cc\bar{b}\bar{b}$/$bb\bar{c}\bar{c}$ tetraquark states
• Tri-meson bound state $BB{B}^{\ast }$ via delocalized $\pi$~Bond
• Thermal contribution of unstable states
• The magnetic moment of $Z_c(3900)$ as an axial-vector molecular state
• Production of hidden-charm and hidden-bottom pentaquark states in electron-proton collisions
• Mass spectrum of $1^{--}$ heavy quarkonium
• Method to observe the $J^P=2^{+}$ partner of the $X_0(2866)$ in the $B^{+}\to D^{+}{D}^{-}{K}^{+}$ reaction
• Colloquium: Hadron Production in Open-charm Meson Pair at $e^{+}{e}^{-}$ Collider
• Coupled-Channel-Induced $S-D$ mixing of Charmonia and Testing Possible Assignments for $Y(4260)$ and $Y(4360)$
• ${\Xi }_{bb}$ 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
• Production of the $X(4014)$ as the spin-2 partner of $X(3872)$ in $e^{+}{e}^{-}$ collisions
• Hidden-bottom hadronic transitions of ${\rm Y}(10753)$
• Observation of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\psi (3770)$ and $D_1(2420{)}^0{\bar{D}}^0+c.c.$
• Decay modes of the scalar exotic meson $T_{bs;\overline{u}\overline{d}}^{-}$
• Are the XYZ states unconventional states or conventional states with unconventional properties?
• Exotic $\Omega \Omega$ dibaryon states in a molecular picture
• Hidden charm pentaquark and $\Lambda (1405)$ in the ${\Lambda }_b^0\to {\eta }_c{K}^{-}p(\pi \Sigma )$ reaction
• Double Exotic States Productions in Pion and Kaon Induced Reactions
• Hidden-flavor pentaquarks
• Semi-inclusive electroproduction of hidden-charm and double-charm hadronic molecules
• Production of $X(3872)$ and a Photon in $e^{+}{e}^{-}$ Annihilation
• Fragmentation of fully heavy tetraquarks: The TQ4Q1.1 functions as a case study
• How higher charmonia shape the puzzling data of the $e^{+}{e}^{-}\to \eta J/\psi$ cross section
• $J/\psi$ decay into $\varphi (\omega )$ and vector-vector molecular states
• Exotic Hadrons from Scattering in the Diabatic Dynamical Diquark Model
• Evidence supporting the existence of $P_c(4380{)}^{\pm }$ from the recent measurements of $B_s\to J/\psi p\bar{p}$
• The $\sigma$ and $\rho$ coupling constants for the charmed and beauty mesons
• Study of charmonium and charmonium-like contributions in $B^{+}\to J/\psi \eta K^{+}$ decays
• Spectrum of the molecular hexaquarks
• Bayesian inference of strangeon matter using the measurements of PSR J0437-4715 and GW190814
• $D^{+}{D}^{-}$ hadronic atom and its production in $pp$ and $p\bar{p}$ collisions
• Prediction of new states from $D^{(\ast )}{B}^{(\ast )}{\bar{B}}^{(\ast )}$ three-body interactions
• The electromagnetic decays of $X(3823)$ as the ${\psi }_2(1^3{D}_2)$ state and its radial excited states
• The $\mathbf{X}(3872)$'s excitation and its connection with production at hadron colliders
• Observation of ${\Lambda }_c^{+}\to \Lambda a_0(980{)}^{+}$ and Evidence for $\Sigma (1380{)}^{+}$ in ${\Lambda }_c^{+}\to \Lambda {\pi }^{+}\eta$
• Width of a two-body coupled-channel resonance
• Do near-threshold molecular states mix with neighbouring $\bar{Q}Q$ states?
• Hadronic Molecular States Composed of Spin-$\frac{3}{2}$ Singly Charmed Baryons
• $K^0\Lambda$ and $D^{-}{\Lambda }_c^{+}$ production induced by pion beams off the nucleon
• Investigations on the light hadron decays of $Z_b(10610)$ and $Z_b(10650)$
• A new decay mode of higher charmonium
• Does the bottomonium counterpart of $X(3872)$ exist?
• The role of charged exotic states in $e^{+}{e}^{-}\to \psi (2S){\pi }^{+}{\pi }^{-}$
• Heavy baryons in holographic QCD with higher dimensional degrees of freedom
• Unwinding the rare $\Omega$ sector: Fragmentation of fully charmed baryons from HL-LHC to FCC
• $J/\psi N$ interactions revisited and ${\Lambda }_b^0\to J/\psi K^{-}({\pi }^{-})p$ decays
• On the two-body decay processes of the predicted three-body $K^{\ast }(4307)$ resonance
• Probing an axial-vector tetraquark $Z_s$ via its semileptonic decay $Z_s\to X(4274)\overline{l}{\nu }_l$
• Exotic Hadron Bound State Production at Hadronic Colliders
• Covalent hadronic molecules induced by shared light quarks
• Hidden strange pentaquark in constituent quark models
• Decay properties of the $Z_c(3900)$ through the Fierz rearrangement
• The role of the $\omega (4S)$ and $\omega (3D)$ states in mediating the $e^{+}{e}^{-}\to \omega \eta$ and $\omega {\pi }^0{\pi }^0$ processes
• Tetraquarks, Pentaquarks and Dibaryons in the large $N$ QCD
• Density of States of a Coupled-Channel System
• Structure of hadron resonances with a nearby zero of the amplitude
• Magnetic moments of the vector hidden-charmed tetraquark states
• Measurement of Born cross section of $e^{+}{e}^{-}\to {\Sigma }^{+}{\bar{\Sigma }}^{-}$ at center-of-mass energies between 3.510 and 4.951 GeV
• P-wave fully charm and fully bottom tetraquark states
• Investigating the M1 radiative decay behaviors and the magnetic moments of the predicted triple-charm molecular-type pentaquarks
• Charged charmoniumlike structures in the $e^{+}{e}^{-}\to \psi (3686){\pi }^{+}{\pi }^{-}$ process based on the ISPE mechanism
• Can the $\psi (4040)$ explain the peak associated with $Y(4008)$?
• Bottomonium-like tetraquarks in a chiral quark model
• Identifying an $\mathrm{X}(3872)$ tetraquark state versus a molecular state by formation time, velocity and temperature in relativistic nuclear collisions
• Production and absorption of exotic bottomonium-like states in high energy heavy ion collisions
• Is two-poles' $\Lambda (1405)$ one state or two?
• Photo-absorption on deuteron contributed by d^*(2380) resonance
• 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
• Hidden-charm Pentaquark Production at $e^{+}{e}^{-}$ Colliders
• Radiative Transitions in Charmonium from Lattice QCD
• Exploring the mass spectrum and the electromagnetic properties of the possible ${\Xi }_{cc}{K}^{(\ast )}$ and ${\Xi }_{cc}{\bar{K}}^{(\ast )}$ molecules
• Unravelling Pentaquarks with Born--Oppenheimer effective theory
• Hadronic molecular states with the quark contents $bc\bar{s}\bar{q}$, $b\bar{c}s\bar{q}$, and $b\bar{c}\bar{s}q$
• Baryons under Strong Magnetic Fields or in Theories with Space-dependent $\theta$-term
• Discovery of $T_{c\bar{s}0}^a(2900{)}^{0,++}$ implies new charmed-strange pentaquark system
• 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)
• Study of exotic hadrons with machine learning
• Disclosing $D^{\ast }{\bar{D}}^{\ast }$ molecular states in the $B_c^{-}\to {\pi }^{-}J/\psi \omega$ decay
• Decay properties of the $X(3872)$ through the Fierz rearrangement
• 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
• Molecular pentaquark states with open charm and bottom flavors
• Double pole structures of $X_1(2900)$ as the $P$-wave ${\bar{D}}^{\ast }{K}^{\ast }$ resonances
• Production of the charmoniumlike state $Y(4220)$ through the $p\bar{p}\to Y(4220){\pi }^0$ reaction
• Line shape and $D^{(\ast )}{\bar{D}}^{(\ast )}$ probabilities of $\psi (3770)$ from the $e^{+}{e}^{-}\to D\bar{D}$ reaction
• Partial wave effects in the heavy quarkonium radiative electromagnetic decays
• Higher strangeonium decays into light flavor baryon pairs like $\Lambda \bar{\Lambda }$, $\Sigma \bar{\Sigma }$, and $\Xi \bar{\Xi }$
• Production of $X_b$ via ${\rm Y}(5S,6S)$ radiative decays
• Production of $P_c$(4312) state in electron-proton collisions
• Heavy quark spin partners of the $Y(4260)$ in coupled-channel formalism
• New type of hydrogenlike charm-pion or charm-kaon matter
• Study of $e^{+}{e}^{-}\to D^{+}{D}^{-}{\pi }^{+}{\pi }^{-}$ at center-of-mass energies from 4.36 to 4.60 GeV
• Triply-charmed hexaquark states with the QCD sum rules
• Decay patterns of low-lying $N_{s\bar{s}}$ states to the strangeness channels
• Discover the GellMann-Okubo formula with machine learning
• Doubly charmed hexaquarks in the diquark picture
• Triply heavy baryon spectroscopy revisited
• Isospin violation effect and three-body decays of the $T_{cc}^{+}$ state
• Binding of the three-hadron $D{D}^{\ast }K$ system from the lattice effective field theory
• Radiative Transitions of Charmoniumlike Exotics in the Dynamical Diquark Model
• Possible open charm molecular pentaquarks from ${\Lambda }_c{K}^{(\ast )}/{\Sigma }_c{K}^{(\ast )}$ interactions
• Open charm and bottom meson-nucleon potentials à la nuclear force
• Production of charmonium ${\chi }_{cJ}(2P)$ plus one $\omega$ meson by $e^{+}{e}^{-}$ annihilation
• The electromagnetic multipole moments of the possible charm-strange pentaquarks in light-cone QCD
• Trilepton and tetralepton bound and resonant states: the QED counterpart of multiquark states
• Two-pion exchange for coupled-channel scattering of two heavy mesons
• Spectroscopic Properties of Double-Strangeness Molecular Tetraquarks
• Production of pentaquarks with hidden charm and double strangeness in ${\Xi }_b$ and ${\Omega }_b$ decays
• Probing exotic $J^{PC}$ resonances from deeply bound charmoniumlike molecules: Insights for identifying exotic hadrons
• Predictions of the hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$
• Magnetic and quadrupole moments of the $Z_c(4020{)}^{+}$, $Z_c(4050{)}^{+}$, and $Z_c(4600{)}^{+}$ states in the diquark-antidiquark picture
• Molecular states in $D_s^{(\ast )+}{\Xi }_c^{{(}^{\prime },\ast )}$ systems
• Molecular tetraquarks and pentaquarks in chiral effective field theory
• Study of $e^{+}{e}^{-}\to \gamma \varphi J/\psi$ from $\sqrt{s}=4.600$ to $4.951$ GeV
• Doubly charmed dibaryon states
• Possible molecular states from interactions of charmed baryons
• $X$ and $Z_{cs}$ in $B^{+}\to J/\psi \varphi K^{+}$ as $s$-wave threshold cusps and alternative spin-parity assignments to $X(4274)$ and $X(4500)$
• Investigating the Isospin Property of $T_{cc}^{+}$ from its Dalitz Plot Distribution
• Prediction of five-flavored pentaquarks
• Mass Spectra of $qq\bar{q}\bar{q}$, $ss\bar{s}\bar{s}$ and $qq\bar{s}\bar{s}$ Tetraquarks using Regge Phenomenology
• Triply heavy tetraquark states in a mass-splitting model
• 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
• Universal non-resonant explanation to charmoniumlike structures $Z_c(3885)$ and $Z_c(4025)$
• Production of vector mesons in pentaquark states resonance channel in $p$-$A$ ultraperipheral collisions
• Searching for fully-heavy tetraquark states in QCD moment sum rules
• Study of the hidden charm $D{\bar{D}}^{\ast }$ interactions in chiral effective field theory
• Composite nature of $Z_b$ states from data analysis
• Three body open flavor decays of higher charmonium and bottomonium
• Interaction and Identification of the Meson-Baryon molecules
• Weak-decay searches for $Qs\bar{u}\bar{d}$ tetraquarks
• Why static bound-state calculations of tetraquarks should be met with scepticism
• Fully charmed P-wave tetraquark resonant states in the quark model
• Determination of the spectroscopic parameters of beauty-partners of $T_{cc}$ from QCD
• Short-range interactions and narrow resonances in effective field theory
• Spectroscopy of $cc\bar{c}\bar{c}$ and $ss\bar{c}\bar{c}$ Tetraquarks within the Framework of Regge Phenomenology
• Triply Heavy $\Omega$ Baryons with JETHAD: A High-Energy Viewpoint
• Structure of open-flavour four-quark states in the charm and bottom region
• Measurement of Born cross sections of $e^{+}{e}^{-}\to {\Xi }^0{\bar{\Xi }}^0$ and search for charmonium(-like) states at $\sqrt{s}$ = 3.51-4.95 GeV
• Role of the short-range dynamics in the formation of $D^{(\ast )}{\bar{D}}^{(\ast )}/B^{(\ast )}{\bar{B}}^{(\ast )}$ hadronic molecules
• $P_c(4457)$ interpreted as a $J^P=1/2^{+}$ state by ${\bar{D}}^0{\Lambda }_c^{+}(2595)$-${\pi }^0{P}_c(4312)$ interaction
• A quark model study of strong decays of $X\left(3915\right)$
• Modifications on parameters of $Z(4430)$ in a dense medium
• Investigation of ${\Delta }^0{\Delta }^0$ dibaryon in QCD
• Possible Molecular Explanation for the Resonance $Y(4500)$
• Analysis of the $D{\bar{D}}^{\ast }K$ system with QCD sum rules
• $Z_b(10610)$ in a hadronic medium
• Prospects for detecting the hidden-strange pentaquarklike state $N^{\ast }(2080)$ in the ${\pi }^{-}p\to \varphi n$ reaction
• Search for hidden-charm tetraquark with strangeness in $e^{+}{e}^{-}\to K^{+}{D}_s^{\ast -}{D}^{\ast 0}+c.c.$
• Systematics of fully heavy dibaryons
• Probing charmonium-like XYZ states in hadron-hadron ultraperipheral collisions and electron-proton scattering
• Towards modeling the short-range interactions of hidden/open charm pentaquark molecular states
• Predictions of super-exotic heavy mesons from $K^{\ast }{B}^{\ast }{B}^{\ast }$ interactions
• QCD sum rule study for hidden-strange pentaquarks
• Constraining the $DD{D}^{\ast }$ three-body bound state via the $Z_c(3900)$ pole
• Three-boson spectrum in the presence of 1D spin-orbit coupling: Efimov's generalized radial scaling law
• Spectroscopic study of $ss\bar{b}\bar{b}$ and $bb\bar{b}\bar{b}$ Tetraquarks using Regge phenomenology
• Tetraquark-Jet Systems at the High-Luminosity LHC
• Effect of thresholds on the width of three-body resonances
• Investigate the pentaquark resonance in the $NK$ system
• The Pentaquark Spectrum from Fermi Statistics
• $J/\psi$ 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
• Probing the structure of $X(3872)$ in photoproduction
• Study of $e^{+}{e}^{-}\to \omega X(3872)$ and $\gamma X(3872)$ from 4.66 to 4.95 GeV
• Pentaquarks in semileptonic ${\Lambda }_b$ decays
• Study of the resonance contributions in the ${\Xi }_b^{-}\to p{K}^{-}{K}^{-}$ decay
• $Z_c$ and $Z_{cs}$ systems with operator mixing at NLO in QCD sum rules
• Quark model description of $\psi (4260)$
• The $\varphi NN,J/\psi NN,{\eta }_{c}NN$ systems based on HAL QCD interactions
• Mixing angle of $K_1(1270/1400)$ and the $K{\bar{K}}_1(1400)$ molecular interpretation of ${\eta }_1(1855)$
• Investigation on the bottom analogs of the $T_{cc}^{+}$
• Production of doubly charmed hadron ${\Xi }_{cc}^{++}$ and $T_{cc}^{+}$ in relativistic heavy ion collisions
• Light-by-light forward scattering sum rules for charmonium states
• Narrow exotic hadrons in the heavy quark limit of QCD
• DeepQuark: A Deep-Neural-Network Approach to Multiquark Bound States
• Elliptical flow coalescence to identify the $f_0$(980) content
• Radiative decays of the neutral $Z_c(3900)$ and $Z_c(4020)$
• Production of the (predicted) $K^{\ast }(4307)$ in $B$ decays
• Mass spectra of heavy pseudoscalars using instantaneous Bethe-Salpeter equation with different kernels
• Measurement of the cross sections of $e^{+}{e}^{-}\to K^{-}{\bar{\Xi }}^{+}\Lambda /{\Sigma }^0$ at center-of-mass energies between 3.510 and 4.914 GeV
• The ground states and first radial excitations of the vector tetraquark states with explicit P-waves via the QCD sum rules
• Pole trajectories from $S$- and $P$-wave $D{\bar{D}}^{\ast }$ interactions
• Electromagnetic properties of possible triple-charm molecular hexaquarks
• Semileptonic decay of $B_c^{-}$ into $X(3930)$, $X(3940)$, $X(4160)$
• Experimental review of the ${\rm Y}(1S,2S,3S)$ physics at $e^{+}{e}^{-}$ colliders and the LHC
• Study of the hidden charm pentaquarks ${\Lambda }_{c\bar{c}}$ above $4$ GeV
• Hidden and open heavy-flavor hadronic states
• Nonlocal gluon condensates in QCD sum rules
• A Sum-Rules Analysis of Next-to-Leading-Order (NLO) QCD Perturbative Contributions to a $J^{PC}=0^{+-}$, $du\bar{d}\bar{u}$ Tetraquark Correlator
• Possible molecules of triple-heavy pentaquarks within the extended local hidden gauge formalism
• The ground states of hidden-charm tetraquarks and their radial excitations
• Production potential of hidden-strange molecular pentaquarks through the ${\pi }^{-}p\to K^{\ast }\Sigma$ process
• Proper constituent gluon mass as the final piece to construct hybrid mesons
• Is the $3S$-$2D$ mixing strong for the charmonia $\psi (4040)$ and $\psi (4160)$?
• Study of $e^{+}{e}^{-}\to {\pi }^{0}X(3872)\gamma$ and search for $Z_c(4020{)}^0\to X(3872)\gamma$
• The axial charges of the hidden-charm pentaquark states
• Decay behavior of hidden-strange hadronic molecular state $N(2270)$
• Construction of general $N$-body lattice operators with arbitrary momenta
• Light meson emissions of the selected charmonium-like states within compact tetraquark configurations
• $B_{s1}(5778)$ as a $B^{\ast }\bar{K}$ molecule in the Bethe-Salpeter equation approach
• Strong decays of $a_0$, $f_0$, $f_2$, and $K_2^{\ast }$ resonances as dynamically generated states of two vector mesons
• Constituent Counting Rules and Exotic Hadrons
• Finding Interaction Mechanism between Exotic Molecule and Conventional Hadron
• Electromagnetic properties of the $D{\bar{D}}^{\ast }K$ molecular hexaquark state
• Pole analysis for the $D^{\ast }\bar{K}$-$D\overline{K^{\ast }}$ coupled-channel system
• Discovering an Unquenched Dynamics Mechanism for Charmonium Scattering
• Study of the $Y(4660)$ from a light-quark perspective
• Search for ${\rm Y}(1S,2S)\to Z_c^{+}{Z}_c^{(\prime )-}$ and $e^{+}{e}^{-}\to Z_c^{+}{Z}_c^{(\prime )-}$ at $\sqrt{s}$ = 10.52, 10.58, and 10.867 GeV
• Investigating full-heavy tetraquarks composed of $cc\bar{c}\bar{b}$ and $bb\bar{b}\bar{c}$
• Light-by-light scattering sum rule for radiative transitions of bottomonia
• Predicting possible molecular states of nucleons with ${\Xi }_c$, ${\Xi }_c^{\ast }$, and ${\Xi }_c^{\prime }$
• Light tetraquark states with exotic quantum numbers $J^{PC}=2^{+-}$
• Unveiling the Composition of the Single-Charm Molecular Pentaquarks: Insights from Radiative Decay and Magnetic Moment
• Electromagnetic characteristics as probes into the inner structures of the predicted ${\Xi }_c^{{(}^{\prime },\ast )}{D}_s^{(\ast )}$ molecular states
• Radiative decay and axial-vector decay behaviors of octet pentaquark states
• Interaction of exotic states in a hadronic medium: the $Z_c(3900)$ case
• Measurement of Born cross section of $e^{+}{e}^{-}\to {\Sigma }^0{\bar{\Sigma }}^0$ at $\sqrt{s}=3.50-4.95$ GeV
• Subthreshold production of $J/\psi$ mesons from the deuteron with SoLID
• New reaction approach to reflect exotic structure of hadronic molecular state
• The Production of $X(3940)$ and $X(4160)$ in $B_c$ decays
• All-charm tetraquarks at hadron colliders: A high-precision fragmentation perspective
• Correction to the energy spectrum of ${}^1{S}_0$ heavy quarkonia due to two-gluon annihilation effect
• Two nearby states in the $X(3872)$ region: Resolving the radiative-decay ratio tension with ${\eta }_{c2}$
• $Z_c(3900)$ in a hadronic molecule and a triangle singularity approach at finite temperature
• Exotic Heavy Hadrons
• Strong Decays of Charmonia
• $D$-wave excited $cs\bar{c}\bar{s}$ tetraquark states with $J^{PC}=1^{++}$ and $1^{+-}$
• Measurement of the Born cross section for $e^{+}{e}^{-}\to p{K}^{-}{K}^{-}{\bar{\Xi }}^{+}$ at $\sqrt{s}=$ 3.5-4.9 GeV
• Unraveling $K(1690)$ as a pseudoscalar $ud\bar{d}\bar{s}$ tetraquark state
• Hidden bottom pentaquark in the SU(5) version of the flavor-spin model
• The $X(3872)\to J/\psi \pi \gamma$ and $X(3872)\to J/\psi \pi \pi \gamma$ decays
• Triangle mechanism in the decay process $B_0\to J/\psi K^0{f}_0(980)(a_0(980))$
• 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
• Photon-induced production of the exotic charged charmonium-like state $Z_c(3900)$ off nuclear targets and its internal structure
• Investigating $Z_{cs}(3985)$ and $Z_{cs}(4000)$ exotic states in ${\Lambda }_b\to Z_{cs}^{-}p$ decays
• On the possibility of revealing the transition of a baryon pair state to a six-quark confinement state
• Dynamically generated states from the $\eta K^{\ast }{\bar{K}}^{\ast }$, $\pi K^{\ast }{\bar{K}}^{\ast }$, and $K{K}^{\ast }{\bar{K}}^{\ast }$ systems within the fixed-center approximation
• A Study of Degenerate Two-Body and Three-Body Coupled-Channel Systems -Renormalized Effective AGS Equations and Near-Threshold Resonances-
• Octet baryon and heavy meson interactions in chiral effective field theory
• Cross section measurement of $e^{+}{e}^{-}\to \eta \psi (2S)$ and search for $e^{+}{e}^{-}\to \eta \tilde{X}(3872)$
• 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
• Nonleptonic $B_c$ decay rates from model independent relations
• Probing Axial-Vector Charmonia ${\chi }_{c1}(1P)$ and ${\chi }_{c1}(2P)$
• Doubly-charmed pentaquark states in a mass splitting model
• Vector and Scalar Mesons' Mixing from QCD Sum Rules
• A study of the vector meson $\psi (4040)$
• Coupled-channel study of $4S$-$3D$ mixing dynamics in $\psi (4220)$ and $\psi (4380)$
• The charmonium-like exotic hadron productions in $e^{+}{e}^{-}$ collisions at the BESIII energy with the PACIAE model
• Magnetic moments of spin--1/2 triply-heavy baryons: A study of Light-cone QCD and Quark-diquark model
• Multimodal Fragmentation of All-Heavy Pentaquarks: Uncertainty-Aware Predictions for Hadron Colliders
• The Joint Physics Analysis Center: Recent results
• Quantum Numbers of the Pentaquark States $P_c^{+}$ via Symmetry Analysis
• Prospects for observing the missing $2D$ and $1F$ charmonium states around 4 GeV
• Possible bound states in the triple-${\eta }_c$ and triple-$J/\psi$ systems
• Improved description of e^+e^- \to p\bar{p}π^0 cross section line shape and more stringent constraints on ψ(3770) and ψ(4230) \to p\bar{p}π^0
• $\bar{D}{\Sigma }_c^{\ast }$ and ${\bar{D}}^{\ast }{\Sigma }_c$ interactions and LHCb pentaquarks
• Possible dibaryon production at $\bar{\mathrm{P}}$anda with a Lagrangian approach
• Pentaquark states with hidden charm
• Production of hidden-heavy and double-heavy hadronic molecules at the $Z$ factory of CEPC
• Study of the $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}\omega$ process at center-of-mass energies between 4.0 and 4.6 GeV
• Four-Charm-Quark Matter from the CMS Collaboration as a Witness of the Development of High-Precision Hadron Spectroscopy
• Five-flavor molecular pentaquarks in the ${\Xi }_b^{(\prime ,\ast )}{\bar{D}}^{(\ast )}$ and ${\Xi }_c^{(\prime ,\ast )}{B}^{(\ast )}$ systems
• The $B^{-}\to J/\psi {\eta }^{\prime }{K}^{-}$ reaction and the $Y(4710)$ and $K_0^{\ast }(1430)$ contributions
• Investigating the two-pion exchange of the double charm $D{D}^{\ast }$ chiral interactions and $T_{cc}$
• The effects of charmonium on the properties of the $1^{++}$ hidden charm poles in effective field theory
• Non-$D\bar{D}$ Decays into Light Meson Pairs of the $D$-Wave Charmonium ${\psi }_3(3842)$
• 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
• Spectrum of Hidden-Charm, Open-Strange Exotics in the Dynamical Diquark Model
• 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
• Proposed mixing between $2P$ and $1F$ wave charmonia
• Searching for a $P_{cs}(4200)$ state in the ${\Lambda }_b\to \varphi {\eta }_c\Lambda$ reaction
• Role of $a_0(1710)$ in the $J/\psi \to {\rho }^{+}{\rho }^{-}\omega$ and $J/\psi \to \gamma {\rho }^0\omega$ reactions
• The dynamically generated $h_1$ state by the $K^{\ast }{\bar{K}}^{\ast }$ interaction and its $K_1(1270)\bar{K}$ and $b_1(1235)\pi$ decays
• Cross section measurement of $e^{+}{e}^{-}\to {\pi }^0{\pi }^0\psi (3686)$ from $\sqrt{s}=$ 4.008 GeV to 4.951 GeV
• An analysis on doubly bottom molecular tetraquarks composed of $H_{(s)}$ and $T_{(s)}$ doublets
• Assessing the validity of the Born-Oppenheimer approximation in potential models for doubly heavy hadrons
• Chiral corrections to the $1^{-+}$ exotic meson mass
• Unified coupled-channel description for the five near-threshold structures $\psi (3770)$, $G(3900)$, $R(3760)$, $R(3780)$ and $R(3810)$ from $e^{+}{e}^{-}$ annihilation
• Investigating topped hadrons to probe the boundaries of the potential model
• Dalitz-plot decomposition for the $e^{+}{e}^{-}\to J/\psi \pi \pi (K\bar{K})$ and $e^{+}{e}^{-}\to h_c\pi \pi$ processes
• New Types of Hydrogenlike matter Composed of Electron(s) and Meson(s)
• Structural dissection of hadronic molecules: The $D^{(\ast )}{\bar{K}}^{(\ast )}$ family under QCD light-cone sum rules
• Mass-Spectroscopy of [$bb][\bar{b}\bar{b}$] and [$bq][\bar{b}\bar{q}$] tetraquark states in a diquark-antidiquark formalism
• Coupled-channel meson-meson scattering in the diabatic framework
• Measurement of $e^{+}{e}^{-}\to p{K}^{-}\bar{\Lambda }+c.c.$ cross sections between 4.009 GeV and 4.951 GeV
• Exotic hadrons associated with $b$-quark
• Meson scattering and tetraquarks in two-dimensional QCD
• $X(3860)$ production in association with $J/\psi$ via $e^{+}{e}^{-}$ annihilation at Belle
• Prospects for compact hexaquarks under the limitation imposed by quark confinement
• Kaon-induced production of strange hidden-charm molecular pentaquarks $P_{\psi s}^{\Lambda }$ from proton
• Electromagnetic probes revealing the inner structure of the ${\Lambda }_c(2940)$
• The possible $K{\bar{K}}^{\ast }$ and $D{\bar{D}}^{\ast }$ bound and resonance states by solving Schrodinger equation
• Role of the short-range dynamics in simultaneous interpretation of $P_{cs}$ pentaqurks via ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}^{(\ast )}$ molecules
• Systematic exploration of triply heavy tetraquarks: spectroscopic and decay characteristics
• Predicting charmed-strange molecular tetraquarks with $K^{(\ast )}$ and $T$-doublet charmed or anticharmed meson
• $D{\bar{D}}^{\ast }$-$\pi J/\psi$ scatterings of coupled channels for $Z_c(3900)$ channel
• Symmetries in subatomic multi-quark systems
• Heavy-flavor multimodal fragmentation to $S$-wave pentacharms at next-generation hadron colliders
• Charting doubly strange hidden-charm pentaquarks: An electromagnetic mapping of spin-$\frac{1}{2}$ and $\frac{3}{2}$ states
• The scalar and pseudoscalar hidden-charm tetraquark states with QCD sum rules
• Discovery of XYZ particles at the BESIII Experiment
• 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
• Electromagnetic couplings of pentaquarks
• To detect strong nugget with an acoustic array