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$\eta_{c}$-nucleus bound states

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arxiv 2007.04476 v3 pith:HTOIB4DC submitted 2020-07-08 hep-ph

J. J. Cobos-Martínez , K. Tsushima , G. Krein , A. W. Thomas This is my paper
classification hep-ph
keywords boundmesonnucleicalculatednucleusstatesattractivecalculations
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abstract

$\eta_c$-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.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Medium modifications of $1P$-wave charmonia $\chi_{cJ}(1P)$ in cold nuclear matter

    hep-ph 2025-10 conditional novelty 6.0 of 10

    χcJ(1P) masses drop by 34–97 MeV in nuclear matter in the QMC+unquenched-loop model, with the D*D̄* loop dominating χc2 and no D-D̄ threshold crossing below 3ρ0.

  2. Heavy-heavy and heavy-light mesons in cold nuclear matter

    nucl-th 2025-06 conditional novelty 3.0 of 10

    Using the quark-meson coupling model and effective Lagrangians, heavy and heavy-light mesons are predicted to feel attractive potentials in nuclei and form bound states, including new B_c-nucleus states.

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