J/psi dissociation by light mesons in an extended Nambu Jona-Lasinio model

Abstract

An alternative model for the dissociation of the J/psi is proposed. Chiral symmetry is properly implemented. Abnormal parity interactions and mesonic form factors naturally arise from the underlying quark sub-structure. Analytic confinement for the light quarks is generated by appropriately chosen the quark interaction kernels. Dissociation cross sections of the J/psi by either a pion or a rho meson are then evaluated and discussed.

arXiv comment24 pages, 13 figures, final version

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• J/Psi mass shift in nuclear matter
• Pseudoscalar and vector open-charm mesons at finite temperature
• $J/\psi$ regeneration in a hadron gas: an update
• Properties of open and hidden charm mesons in light quark matter
• ${\rm Y}$ suppression in a hadron gas
• Temperature-dependent cross sections for charmonium dissociation in collisions with kaons and eta mesons in hadronic matter
• Temperature-dependent Cross Sections for Charmonium Dissociation in Collisions with Pions and Rhos in Hadronic Matter
• Meson formfactor scheme for the chiral Lagrangian approach to J/psi breakup cross sections motivated by a relativistic quark model
• Charmonium suppression at RHIC and SPS: a hadronic baseline
• Quantum mechanical model for J/psi suppression in the LHC era
• Quarkonia and QGP studies
• Dissociation of large transverse-momentum prompt J/psi produced in Pb-Pb collisions at the LHC
• A technique to study the elastic and inelastic interaction of quarkonium with hadrons using femtoscopic correlations
• Dissociation Cross Sections of Large-Momentum Charmonia with Light Mesons in Hadronic Matter