Constituent quark model description of charmonium phenomenology

Abstract

We review how quark models are able to describe the phenomenology of the charm meson sector. The spectroscopy and decays of charmonium and open charm mesons are described in a particular quark model and compared with the data and the results of other existing models in the literature. A quite reasonable global description of the heavy meson spectra is reached. A new assignment of the $\psi (4415)$ resonance as a 3D state leaving aside the 4S state to the X(4360) is tested through the analysis of the resonance structure in $e^{+}{e}^{-}$ exclusive reactions around the $\psi (4415)$ energy region. We make tentative assignments of some of the $XYZ$ mesons. To elucidate the structure of the $1^{+}$ $c\bar{s}$ states, i.e. $D_{s1}(2460)$ and $D_{s1}(2536)$, we study the strong decay properties of the $D_{s1}(2536)$ meson. We also perform a calculation of the branching fractions for the semileptonic decays of $B$ and $B_s$ mesons into final states containing orbitally excited charmed and charmed-strange mesons, which have become a very important source of information about the structure of heavy mesons. Analysis of the nonleptonic $B$ meson decays into $D^{(\ast )}{D}_{sJ}$ are also included.

41 pages, submitted to International Journal of Modern Physics E

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• Charmed-strange mesons revisited: mass spectra and strong decays
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• Masses of ground-state mesons and baryons, including those with heavy quarks
• Molecular components in P-wave charmed-strange mesons
• Quarkonium Contribution to Meson Molecules
• Triply-heavy baryons in a constituent quark model
• Universal description of radially excited heavy and light vector mesons
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• Charmonium resonances in the 3.9 GeV/$c^2$ energy region and the $X(3915)/X(3930)$ puzzle
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• The S- and P-wave low-lying baryons in the chiral quark model
• $D_{s0}^{\ast }(2317)$ and $DK$ scattering in $B$ decays from BaBar and LHCb data
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• The $Z_c$ structures in a coupled-channels model
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• Compositeness of S-wave weakly-bound states from next-to-leading order Weinberg's relations
• Charmed-strange Meson Spectrum: Old and New Problems
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• The $\mathbf{sQ}\bar{\mathbf{q}}\bar{\mathbf{q}}$ $(\mathbf{q}=\mathbf{u},\mathbf{d};\mathbf{Q}=\mathbf{c},\mathbf{b})$ tetraquarks in the chiral quark model
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• Exclusive open-charm near-threshold cross sections in a coupled-channel approach
• Puzzles in hadronic transitions of heavy quarkonium with two pion emission
• Canonical interpretation of the $X(4140)$ state within the ${}^3{P}_0$ model
• Light-meson masses in an unquenched quark model
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• The structure of the X(3872) as explained by a Diffusion Monte Carlo calculation
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• Spectroscopy and Annihilation Decay Widths of Charmonium and Bottomonium Excitations
• The role of spin-flipping terms in hadronic transitions of ${\rm Y}(4S)$
• Investigations of the $D$-multi-$\rho$ interactions
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• Deciphering the mechanism of $J/\psi$-nucleon scattering
• Puzzles in quarkonium hadronic transitions with two pion emission
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• Production of single-charmed baryons in a quark model approach
• Probing Axial-Vector Charmonia ${\chi }_{c1}(1P)$ and ${\chi }_{c1}(2P)$
• The effects of charmonium on the properties of the $1^{++}$ hidden charm poles in effective field theory
• On enhanced corrections from quasi-degenerate states to heavy quarkonium observables