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ηc-nucleus bound states
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DOI：10.1016/j.physletb.2020.135882.png)
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Abstract
En 中文
eta(c)-nucleus bound state energies are calculated for various nuclei. Essential input for the calculations, namely the medium-modified D and D* 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 DD* loops in the eta(c) self-energy. Our results suggest that the eta(c) meson should form bound states with all the nuclei considered. (C) 2020 The Author(s). Published by Elsevier B.V.
Keywords:
PHI-MESON
NUCLEAR MEDIUM
J/PSI
MASS
QUARKONIUM
DENSITY
HADRONS
DECAY
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