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Related papers: $\Lambda^+_c$, $\Sigma_c$, $\Xi_c$ and $\Lambda_b$…

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The quark-meson coupling (QMC) model, which has been successfully used to describe the properties of both infinite nuclear matter and finite nuclei, is applied to a systematic study of $\Lambda, \Sigma$ and $\Xi$ hypernuclei. Assumptions…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , K. Saito , J. Haidenbauer , A. W. Thomas

$\Lambda^+_c$- and $\Lambda_b$-hypernuclei are studied in the quark-meson coupling (QMC) model. Comparisons are made with the results for $\Lambda$-hypernuclei studied in the same model previously. Although the scalar and vector potentials…

Nuclear Theory · Physics 2009-11-07 K. Tsushima , F. C. Khanna

The quark mean-field (QMF) model is applied to study the single $\Lambda^+_c$ hypernuclei. The charm baryon, $\Lambda^+_c$, is constructed by three constituent quarks, $u, ~d$, and $c$, confined by central harmonic oscillator potentials.…

Nuclear Theory · Physics 2020-02-26 Linzhuo Wu , Jinniu Hu , Hong Shen

This reports our recent studies on changes in properties of heavy hadrons containing at least a charm or a bottom quark in nuclear matter, and that the results for the $\Lambda^+_c$ and $\Lambda_b$ hypernuclei are studied quantitatively.…

Nuclear Theory · Physics 2009-11-07 K. Tsushima , F. C. Khanna

The most recent development of the quark-meson coupling (QMC) model, in which the effect of the mean scalar field in-medium on the hyperfine interaction is also included self-consistently, is used to compute the properties of finite…

Nuclear Theory · Physics 2009-06-19 Pierre A. M. Guichon , Anthony W. Thomas , Kazuo Tsushima

$\Lambda^+_c$ hypernuclei are expected to have binding energies and other properties similar to those of strange hypernuclei in view of the similarity between the quark structures of the strange and charmed hyperons, namely $\Lambda(uds)$…

Nuclear Theory · Physics 2016-04-01 Sabyasachi Ghosh , Carlos E. Fontoura , Gastão Krein

The $\Lambda N - \Sigma N$ coupling in $\Lambda$--hypernuclei and $\Lambda \Lambda - \Xi N$ coupling in $\Lambda \Lambda$--hypernuclei produce novel physics not observed in the conventional, nonstrange sector. Effects of $\Lambda…

Nuclear Theory · Physics 2009-09-25 B. F. Gibson , I. R. Afnan , J. A. Carlson , D. R. Lehman

The quark-meson coupling (QMC) model, which has been successfully used to describe the properties of both finite nuclei and infinite nuclear matter, is applied to a study of $\Lambda$ hypernuclei. With the assumption that the…

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

We present results of hypernuclei calculated in the latest quark-meson coupling (QMC) model, where the effect of the mean scalar field in-medium on the one-gluon exchange hyperfine interaction, is also included self-consistently. The extra…

Nuclear Theory · Physics 2011-02-16 K. Tsushima , P. A. M. Guichon

Single-particle energies of the $\Lambda_c$ chamed baryon are obtained in several nuclei from the relevant self-energy constructed within the framework of a perturbative many-body approach. Results are presented for a charmed baryon-nucleon…

Nuclear Theory · Physics 2019-05-01 I. Vidana , A. Ramos , C. E. Jimenez-Tejero

The charmed $ \Lambda_{c}^{+} $ hypernuclei are investigated within the framework of the density-dependent relativistic mean-field (DDRMF) theory. Starting from the empirical hyperon potential in symmetric nuclear matter, obtained through…

Nuclear Theory · Physics 2024-12-30 Wei Yang , Shi Yuan Ding , Bao Yuan Sun

We study the temperature and baryon density dependence of the masses of the lightest charmed baryons $\Lambda_c$, $\Sigma_c$ and $\Sigma^*_c$. We also look at the effects of the temperature and baryon density on the binding energies of the…

High Energy Physics - Phenomenology · Physics 2018-12-26 T. F. Caramés , C. E. Fontoura , G. Krein , J. Vijande , A. Valcarce

In-medium properties of the low-lying strange, charm, and bottom baryons in symmetric nuclear matter are studied in the quark-meson coupling (QMC) model. Results for the Lorentz-scalar effective masses, mean field potentials felt by the…

High Energy Physics - Phenomenology · Physics 2019-01-23 K. Tsushima

We study the binding of hypernuclei based on the latest version of quark-meson coupling model, and estimate the phtoproduction cross sections for the $^{12}$C($\gamma,K^+$)$^{12}_\Lambda$B reaction using the bound $\Lambda$ spinors obtained…

Nuclear Theory · Physics 2011-02-18 K. Tsushima , P. A. M. Guichon , R. Shyam , A. W. Thomas

In-medium properties of the low-lying baryons are studied in the quark-meson coupling (QMC) model, focusing on the $\Sigma_b$ and $\Xi_b$ baryons. It is predicted that the Lorentz-scalar effective mass of $\Sigma_b$ becomes smaller than…

High Energy Physics - Phenomenology · Physics 2019-04-11 K. Tsushima

The production of single-charmed baryons $\Lambda_c^+ \Lambda_c^-$, $\Lambda_c^+ \Sigma_c^-$+h.c. and $\Sigma_c^+ \Sigma_c^-$ in $p\bar p$ collisions is studied in the framework of a constituent quark model which has satisfactorily…

High Energy Physics - Phenomenology · Physics 2022-12-07 Daniel Iglesias-Ferrero , David R. Entem , Francisco Fernández , Pablo G. Ortega

A potential model for the interaction between a charmed baryon ($\Lambda_c$, $\Sigma_c$, and $\Sigma_c^*$) and the nucleon ($N$) is constructed. The model contains a long-range meson ($\pi$ and $\sigma$) exchange part and a short-distance…

Nuclear Theory · Physics 2016-02-25 Saori Maeda , Makoto Oka , Akira Yokota , Emiko Hiyama , Yan-Rui Liu

The recent observation of two hidden-charm pentaquark states by LHCb collaborations prompted us to investigate the exotic states close to the $\bar{D}\Lambda_{\rm c}$, $\bar{D}^{\ast}\Lambda_{\rm c}$, $\bar{D}\Sigma_{\rm c}$,…

High Energy Physics - Phenomenology · Physics 2017-07-26 Yasuhiro Yamaguchi , Elena Santopinto

We present a comparative study of the charmed baryon$-$nucleon interaction based on different theoretical approaches. For this purpose, we make use of i) a constituent quark model tuned in the light-flavor baryon$-$baryon interaction and…

High Energy Physics - Phenomenology · Physics 2019-07-17 H. Garcilazo , A. Valcarce , T. F. Carames

Motivated by recent results on charmed baryons from CLEO and FOCUS, we reexamine the couplings of the orbitally excited charmed baryons. Due to its proximity to the [Sigma_c pi] threshold, the strong decays of the Lambda_c(2593) are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrew E. Blechman , Adam F. Falk , Dan Pirjol , John M. Yelton
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