Mass spectra of $0^{--}$ and $0^{+-}$ hidden-heavy baryoniums

Abstract

In this work, the spectra of the prospective exotic hidden-charm and hidden-bottom baryonium, viz. the baryon-antibaryon states, with $J^{PC}=0^{--}$ and $0^{+-}$ are investigated in the framework of QCD sum rules. The non-perturbative contributions up to dimension 12 are taken into account. Numerical results indicate that there might exist 3 possible $0^{--}$ hidden-charm baryonium states with masses $(5.22\pm 0.26)$, $(5.52\pm 0.25)$, and $(5.46\pm 0.24)$ GeV, and 5 possible $0^{+-}$ hidden-charm baryonium states with masses $(4.76\pm 0.28)$, $(5.24\pm 0.28)$, $(5.16\pm 0.27)$, $(5.52\pm 0.27)$, and $(5.69\pm 0.27)$ GeV, respectively. The corresponding hidden-bottom partners are found lying in the range of $11.68-12.28$ GeV and $11.38-12.33$ GeV, respectively. The possible baryonium decay modes are analyzed, which are hopefully measurable in LHC experiments.

27 pages, 17 figures, and 5 tables. Accepted by EPJC. arXiv admin note: text overlap with arXiv:2203.14014

References in corpus (10)

• Doubly Heavy Tetraquarks in QCD Sum Rules
• XYZ-like Spectra from Laplace Sum Rule at N2LO in the Chiral Limit
• QCD Coulomb gauge approach to hybrid mesons
• The molecular systems composed of the charmed mesons in the $H\bar{S}+h.c.$ doublet
• Baryonium, tetra-quark state and glue-ball in large N_c QCD
• Hidden-bottom and -charm hexaquark states in QCD sum rules
• Light 1-+ exotics: molecular resonances
• Toward the existence of odderon as a three-gluon bound state
• Study of ${\Lambda }_c$${\Lambda }_c$ dibaryon and ${\Lambda }_c$${\bar{\Lambda }}_c$ baryonium states via QCD sum rules
• QCD Coulomb Gauge Approach to Exotic Hadrons

Cited by in corpus (4)

• Rare ${\Lambda }_c$ decays and new physics effects
• Mass spectrum of the $\Omega \bar{\Omega }$ states
• Baryons and baryoniums in the perspective of QCD sum rules
• Fully strange tetraquark states via QCD sum rules