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Related papers: $\eta_{c}$-nucleus bound states

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$\Upsilon$ 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

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 results for the $\eta_c$- and $J/\psi$-nucleus bound state energies for various nuclei are presented. The attractive potentials for the $\eta_c$ and $J/\psi$ mesons in the nuclear medium originate, respectively, from the in-medium…

Nuclear Theory · Physics 2021-11-30 J. J. Cobos-Martínez , K. Tsushima , 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

$J/\Psi$-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 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

$\phi$-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

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

Formation of eta-mesic nucleus, a bound state of an eta meson in a nucleus, is reviewed in this paper. Three different theoretical approaches are used to calculate the binding energies and widths of such nuclei. The effect of eta-mesic…

Nuclear Theory · Physics 2009-06-12 Q. Haider , L. C. Liu

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

The formations of the $K(\bar{K})$, $D(\bar{D})$, and $B(\bar{B})$ meson-nucleus bound states in ${\rm{^{16}O}}$, ${\rm{^{40}Ca}}$, ${\rm{^{90}Zr}}$, ${\rm{^{197}Au}}$, and ${\rm{^{208}Pb}}$ nucleus are investigated using the quark meson…

Nuclear Theory · Physics 2025-04-29 Arpita Mondal , Amruta Mishra

We investigate theoretically whether it is feasible to detect $\eta$- and $\omega$-nucleus bound states. As well as the closed shell nuclei, $^{16}$O, $^{40}$Ca, $^{90}$Zr and $^{208}$Pb, we also investigate $^6$He, $^{11}$B and $^{26}$Mg,…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , D. H. Lu , A. W. Thomas , K. Saito

Eta-mesic nucleus or the quasibound nuclear state of an eta ($\eta$) meson in a nucleus is caused by strong-interaction force alone. This new type of nuclear species, which extends the landscape of nuclear physics, has been extensively…

Nuclear Theory · Physics 2015-11-20 Q. Haider , L. C. Liu

The resonance and bound--state poles of the amplitude describing elastic scattering of $\eta$-meson off the light nuclei $^2H$,\,$^3H$,\, $^3He$, and $^4He$ are calculated in the framework of a microscopic approach based on few--body…

Nuclear Theory · Physics 2011-04-15 S. A. Rakityansky , S. A. Sofianos , V. B. Belyaev , W. Sandhas

[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 anti-D meson self-energy is evaluated self-consistently, using unitarized coupled-channel theory, by computing the in-medium meson-baryon T-matrix in the C=-1,S=0 sector. The heavy pseudo-scalar and heavy vector mesons, anti-D and…

Nuclear Theory · Physics 2012-02-22 C. Garcia-Recio , J. Nieves , L. L. Salcedo , L. Tolos

We calculate the $B^-$-, $\overline{B^0}$-, $D^+$-, $D^0$-, $K^-$-, and $\overline{K^0}$-$^{12}$C bound state energies by solving the Klein-Gordon (K;G.) equation in momentum space, and also obtain the corresponding coordinate space radial…

Nuclear Theory · Physics 2025-08-27 G. N. Zeminiani , K. Tsushima

The energies and widths of several D^0 meson bound states for different nuclei are obtained using a D-meson selfenergy in the nuclear medium, which is evaluated in a selfconsistent manner using techniques of unitarized coupled-channel…

Nuclear Theory · Physics 2014-11-20 C. Garcia-Recio , J. Nieves , L. Tolos

The search for a quasi bound $\eta$ meson in atomic nuclei is reviewed. This tentative state is studied theoretically as well as experimentally.

Nuclear Experiment · Physics 2017-04-26 Hartmut Machner
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