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$\Lambda^+_c$- 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

Changes in properties of heavy hadrons with a charm or a bottom quark are studied in nuclear matter. Effective masses (scalar potentials) for the hadrons are calculated using quark-meson coupling model. Our results also suggest that the…

Nuclear Theory · Physics 2011-01-27 K. Tsushima , F. C. Khanna

$\Lambda^+_c$ 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 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

Charmed (and bottom) hypernuclei are studied in the quark-meson coupling (QMC) model. This completes systematic studies of charmed ($\Lambda_c^+, \Sigma_c, \Xi_c$), and $\Lambda_b$ hypernuclei in the QMC model. Effects of the Pauli blocking…

Nuclear Theory · Physics 2009-11-10 K. Tsushima , F. C. Khanna

Current studies on heavy hadrons in nuclear medium are reviewed with a summary of the basic theoretical concepts of QCD, namely chiral symmetry, heavy quark spin symmetry, and the effective Lagrangian approach. The nuclear matter is an…

High Energy Physics - Phenomenology · Physics 2019-08-07 Atsushi Hosaka , Tetsuo Hyodo , Kazutaka Sudoh , Yasuhiro Yamaguchi , Shigehiro Yasui

In a recent paper [PLB 837 (2023) 137669] we showed that all measured ($1s_\Lambda$, $1p_\Lambda$) pairs of $\Lambda$ binding energies in $\Lambda$-hypernuclei across the periodic table, $12\leq A \leq 208$, can be obtained from a…

Nuclear Theory · Physics 2023-08-15 E. Friedman , A. Gal

Closed shell charmed hypernuclei $^5_{\Lambda_c}$Li, $^{17}_{\Lambda_c}$F, $^{41}_{\Lambda_c}$Sc, $^{57}_{\Lambda_c}$Cu, $^{133}_{\Lambda_c}$Sb and $^{209}_{\Lambda_c}$Bi are calculated within Hartree-Fock approach by using three different…

Nuclear Theory · Physics 2021-12-22 H. Güven , K. Bozkurt , E. Khan , J. Margueron

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

I discuss the properties of the $\Lambda_{c}$ baryon in nuclear matter at zero or finite temperature. Starting from the Lagrangian based on the heavy-quark effective theory, I derive the effective Lagrangian for the $\Lambda_{c}$ baryon…

High Energy Physics - Phenomenology · Physics 2019-12-11 Shigehiro Yasui

Density dependences of the mass and self-energies of $\Lambda_c$ in nulear matter are studied in the parity projected QCD sum rule. Effects of nuclear matter are taken into account through the quark and gluon condensates. It is found that…

High Energy Physics - Phenomenology · Physics 2017-11-27 Keisuke Ohtani , Ken-ji Araki , Makoto Oka

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

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

We study the effect of a $\Lambda$ hyperon immersed in the doubly magic nuclei, $^{16}$O, $^{40}$Ca, $^{48}$Ca, and $^{208}$Pb, as well as the neutron magic nucleus $^{90}$Zr. For a $\Lambda$ in the $1s$ and $1p$ states in…

Nuclear Theory · Physics 2012-04-26 K. Tsushima , A. W. Thomas

The effective theory for heavy quarks has additional symmetries with respect to QCD, which relate charm and beauty hadron masses. Assuming the spectrum of charmed particles, we predicted in a previous work the masses of some beauty…

High Energy Physics - Phenomenology · Physics 2015-06-25 Ugo Aglietti

We review the experimental measurements and theoretical descriptions of leptonic and semileptonic decays of particles containing a single heavy quark, either charm or bottom. Measurements of bottom semileptonic decays are used to determine…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jeffrey D. Richman , Patricia R. Burchat

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

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

Asymmetries in the hadroproduction of charm particles directly probe power corrections to the QCD factorization theorems. In this paper, the heavy-quark recombination mechanism, a power correction that explains charm meson asymmetries, is…

High Energy Physics - Phenomenology · Physics 2014-11-17 Eric Braaten , Masaoki Kusunoki , Yu Jia , Thomas Mehen

A number of candidate multiquark hadrons, i.e., particle resonances with substructures that are more complex than the quark-antiquark mesons and three-quark baryons that are prescribed in the textbooks, have recently been observed. In this…

High Energy Physics - Experiment · Physics 2017-08-02 Stephen Lars Olsen
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