${\eta }_c$-nucleus bound states

Abstract

${\eta }_c$-nucleus bound state energies are calculated for various nuclei. Essential input for the calculations, namely the medium-modified $D$ and $D^{\ast }$ meson masses, as well as the density distributions in nuclei, are calculated within the quark-meson coupling (QMC) model. The attractive potentials for the ${\eta }_c$ meson in the nuclear medium originate from the in-medium enhanced $D{D}^{\ast }$ loops in the ${\eta }_c$ self-energy. Our results suggest that the ${\eta }_c$ meson should form bound states with all the nuclei considered.

arXiv comment8 pages, 6 figures

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Cited by in corpus (9)

• \boldmath{${\rm Y}$} and \boldmath{${\eta }_b$} mass shifts in nuclear matter
• $\eta$ and ${\eta }^{\prime }$ mesons in nuclear matter and nuclei
• The $\varphi NN,J/\psi NN,{\eta }_{c}NN$ systems based on HAL QCD interactions
• In-medium mass shift of two-flavored heavy mesons, $B_c$, $B_c^{\ast }$, $B_s$, $B_s^{\ast }$, $D_s$ and $D_s^{\ast }$
• Heavy-heavy and heavy-light mesons in cold nuclear matter
• $B_c^{\pm }$-${}^{12}$C states and detailed study of momentum space method for ${\rm Y}$- and ${\eta }_b$-nucleus bound states
• Exotic Heavy Hadrons
• Medium modifications of $1P$-wave charmonia ${\chi }_{cJ}(1P)$ in cold nuclear matter
• Spectroscopy of charmonium-like mesons, heavy-light mesons with charm, AdS/QCD, and configurational entropy