English

$\eta_{c}$-nucleus bound states

High Energy Physics - Phenomenology 2020-12-02 v3

Abstract

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

Keywords

Cite

@article{arxiv.2007.04476,
  title  = {$\eta_{c}$-nucleus bound states},
  author = {J. J. Cobos-Martínez and K. Tsushima and G. Krein and A. W. Thomas},
  journal= {arXiv preprint arXiv:2007.04476},
  year   = {2020}
}

Comments

8 pages, 6 figures

R2 v1 2026-06-23T16:58:09.051Z