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Related papers: Hidden charm mesons in nuclear matter and nuclei

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$\eta_c$-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…

High Energy Physics - Phenomenology · Physics 2020-12-02 J. J. Cobos-Martínez , K. Tsushima , G. Krein , A. W. Thomas

$J/\Psi$-nuclear bound state energies are calculated for a range of nuclei by solving the Proca (Klein-Gordon) equation. Critical input for the calculations, namely the medium-modified $D$ and $D^*$ meson masses, as well as the nucleon…

Nuclear Theory · Physics 2011-08-02 K. Tsushima , D. H. Lu , G. Krein , A. W. Thomas

We estimate the $D$, $\overline{D}$ and $J/\Psi$ meson potentials in nuclei. $J/\Psi$-nuclear potential (self-energy) is calculated based on the color-singlet mechanism, by the $DD$ and $DD^*$ meson loops. This consistently includes the…

Nuclear Theory · Physics 2010-01-15 K. Tsushima

$\Upsilon$ and $\eta_b$ nuclear bound state energies are calculated for various nuclei neglecting any possible effects of the widths. Essential input for the calculations, namely the medium-modified $B$ and $B^{*}$ meson masses, as well as…

Nuclear Theory · Physics 2025-06-10 J. J. Cobos-Martínez , G. N. Zeminiani , K. Tsushima

We calculate mass shift of the $J/\Psi$ meson in nuclear matter arising from the modification of $DD, DD^*$ and $D^*D^*$ meson loop contributions to the $J/\Psi$ self-energy. The estimate includes the in-medium $D$ and $D^*$ meson masses…

Nuclear Theory · Physics 2015-03-17 K. Tsushima , D. H. Lu , G. Krein , A. W. Thomas

We present updated and extended results for the $\eta$- and $\eta'$-nucleus bound state energies, obtained by solving the Schr\"{o}dinger and Klein-Gordon equations with complex optical potentials, for a wide range of nuclei. The $\eta$ and…

Nuclear Theory · Physics 2024-02-26 J. J Cobos-Martinez , Kazuo Tsushima

We present results for the $\eta_c$-nucleus bound state energies for various nuclei using an effective Lagrangians approach. The attractive potentials for the $\eta_c$ in the nuclear medium originate from the medium-modified intermediate $D…

Nuclear Theory · Physics 2021-09-24 J. J. Cobos Martínez , K. Tsushima , G. Krein , A. W. Thomas

Using the quark-meson coupling (QMC) model, we investigate theoretically whether $\eta$ and $\omega$ mesons form meson-nucleus bound states. We study several nuclei from $^{6}$He to $^{208}$Pb, including those which are the final nuclei in…

Nuclear Theory · Physics 2007-05-23 K. Tsushima

We present $\Phi$- and $J/\Psi$--nuclear bound state energies and absorption widths for some selected nuclei, using potentials in the local density approximation computed from an effective Lagrangian approach combined with the quark-meson…

High Energy Physics - Phenomenology · Physics 2020-01-08 J. J. Cobos-Martínez , K. Tsushima , G. Krein , A. W. Thomas

[1]Abstract: This is a contribution for the PANIC 2021 Proceedings based on the articles, Eur. Phys. J. A 57, 259 (2021) and the accompanied article $[$arXiv:2109.08636 $[$hep-ph$]]$ (Hadron 2021 contribution). We have estimated for the…

High Energy Physics - Phenomenology · Physics 2021-11-16 G. N. Zeminiani , J. J. Cobos-Martínez , K. Tsushima

The properties of charmed mesons in nuclear matter and nuclei are reviewed. Different frameworks are discussed paying a special attention to unitarized coupled-channel approaches which incorporate heavy-quark spin symmetry. Several charmed…

Nuclear Theory · Physics 2013-11-06 Laura Tolos

We perform a detailed study of the $\Upsilon$-, $\eta_b$-, and $B_c$-nucleus systems in momentum space to calculate the bound-state energies and the corresponding coordinate-space radial wave functions. The attractive strong potentials for…

Nuclear Theory · Physics 2025-05-14 G. N. Zeminiani , J. J. Cobos-Martínez , K. Tsushima

$\phi$-meson--nucleus bound state energies and absorption widths are calculated for seven selected nuclei by solving the Klein-Gordon equation with complex optical potentials. Essential input for the calculations, namely the medium-modified…

Nuclear Theory · Physics 2017-09-06 J. J. Cobos-Martínez , K. Tsushima , G. Krein , A. W. Thomas

We study the properties of open-charm mesons ($D$ and $\bar {D}$) in nuclear matter at finite temperature within a self-consistent coupled-channel approach. The meson-baryon interactions are adopted from a type of broken SU(4) s-wave…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani

Using the quark-meson coupling (QMC) model, we investigate whether $\omega, \eta, \eta'$ and $D^-$ mesons form meson-nucleus bound states. Our results suggest that one should expect to find $\eta$- and $\omega$-nucleus bound states in all…

Nuclear Theory · Physics 2009-10-31 K. Tsushima

Recent experiments studying the meson-nucleus interaction to extract meson-nucleus potentials are reviewed. The real part of the potentials quantifies whether the interaction is attractive or repulsive while the imaginary part describes the…

Nuclear Experiment · Physics 2017-10-25 V. Metag , M. Nanova , E. Ya. Paryev

The properties of open charm mesons, $D$, $\bar D$, $D_s$ and $\bar D_s$ in nuclear matter at finite temperature are studied within a self-consistent coupled-channel approach. The interaction of the low lying pseudoscalar mesons with the…

High Energy Physics - Phenomenology · Physics 2011-08-09 C. E. Jiménez-Tejero , A. Ramos , L. Tolós , I. Vidaña

The energies and widths of bound states of the $\eta$ meson in different nuclei are obtained using the results for its selfenergy in a nuclear medium, which is evaluated in a selfconsistent manner using techniques of unitarized chiral…

Nuclear Theory · Physics 2014-11-18 C. Garcia -Recio , J. Nieves , T. Inoue , E. Oset

We investigate the modification of the $J/\psi$ meson mass in asymmetric nuclear matter at zero and finite temperatures employing an effective Lagrangian approach that considers the contributions of $DD$ and $DD^*$ meson loops. The medium…

High Energy Physics - Phenomenology · Physics 2026-04-29 Manpreet Kaur , Arvind Kumar

Models based on chiral SU(3)_L \otimes SU(3)_R symmetry and vector meson dominance suggest an attractive potential for the $\omega$-meson in a nuclear medium. We discuss the feasibility of producing nuclear bound states of $\omega$-mesons…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Klingl , T. Waas , W. Weise
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