eta(c)-nucleus bound states
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Data
2020-12-10
Autores
Cobos-Martinez, J. J.
Tsushima, K.
Krein, G. [UNESP]
Thomas, A. W.
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Elsevier B.V.
Resumo
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.
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Physics Letters B. Amsterdam: Elsevier, v. 811, 5 p., 2020.