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The unquenched quark model
Published 2015-01-01“…In this contribution, we briefly discuss the results for charmonium and bottomonium spectra with self-energy corrections in the unquenched quark model, due to the coupling to the meson-meson continuum The UQM formalism can be extended to include also the effects of hybrid mesons, i.e. hybrid loops. …”
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Quark models for mesons
Published 2012-02-01“…In the framework of quark model, by taking into account of multi-body interaction, four-quark states are studied. …”
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Heavy mesons in the Quark Model
Published 2019-01-01“…Since the discovery of the J/ψ, the quark model was very successful in describing the spectrum and properties of heavy mesons including only q̄ components. …”
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The end of the constituent quark model?
Published 2004“…Precision data and recent discoveries are at last exposing the limitations of the naive constituent quark model and also giving hints as to its extension into a more mature description of hadrons. …”
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Heavy Tetraquarks in the Relativistic Quark Model
Published 2021-04-01Subjects: Get full text
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Description of hadrons with Covariant Quark Model
Published 2014-01-01“…Covariant quark model represents an effective field approach to hadronic interactions. …”
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The non-perturbative unquenched quark model
Published 2017-01-01“…In recent years states in the quarkonium spectrum not expected in the naive quark model have appeared and created a lot of interest. …”
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Quark model description of baryon properties
Published 2017-01-01“…The basis of the calculations was a relativistically covariant quark model for mesons and baryons, which allows for the calculation of (momentum dependent) hadronic form factors and coupling vertices in the relevant photon and hadron induced reactions and simultaneously describes the hadronic mass spectrum up to 3 GeV.…”
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Quark Models of the Nucleon–Nucleon Interaction
Published 2020-01-01Subjects: Get full text
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LHCb pentaquarks in constituent quark models
Published 2017-01-01“…We analyze these states in the framework of a constituent quark model which has been applied to a wide range of hadronic observables, being the model parameters, therefore, completely constrained. …”
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Properties of light mesons in quark model
Published 2019-06-01“…The properties of some mesons, such as π,ρ, have been investigated in the quasi-relativistic quark model. In particularly, their masses which are related to the dynamical masses of the constituent quarks, radii, and structures are studied. …”
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Prediction of charmed-bottom pentaquarks in quark model
Published 2023-07-01“…Abstract Inspired by the fully heavy tetraquark states reported by the LHCb, ATLAS and CMS Collaborations, we perform a systematical investigation of the low-lying fully heavy pentaquark systems composed of charm and bottom quarks (anti-quark) in the chiral quark model. With the help of the channel-coupling, we obtain several fully heavy pentaquark candidates, which are $$cccc\bar{b}$$ c c c c b ¯ and $$bbbb\bar{c}$$ b b b b c ¯ systems with $$J^P = 1/2^-$$ J P = 1 / 2 - and $$3/2^-$$ 3 / 2 - , $$cccb\bar{c}$$ c c c b c ¯ , $$bbbc\bar{b}$$ b b b c b ¯ , $$cccb\bar{b}$$ c c c b b ¯ and $$bbbc\bar{c}$$ b b b c c ¯ systems with $$J^P = 5/2^-$$ J P = 5 / 2 - . …”
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Charmoniumlike tetraquarks in a chiral quark model
Published 2023-08-01“…Abstract The lowest-lying charmonium-like tetraquarks $$c{\bar{c}}q{\bar{q}}$$ c c ¯ q q ¯ $$(q=u,\,d)$$ ( q = u , d ) and $$c{\bar{c}}s{\bar{s}}$$ c c ¯ s s ¯ , with spin-parity $$J^P=0^+$$ J P = 0 + , $$1^+$$ 1 + and $$2^+$$ 2 + , and isospin $$I=0$$ I = 0 and 1, are systematically investigated within the theoretical framework of complex-scaling range for a chiral quark model that has already been successfully applied in former studies of various tetra- and penta-quark systems. …”
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