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A pion mean-field approach allows one to investigate light and singly heavy baryons on an equal footing. In the large $N_c$ limit, the light and singly heavy baryons are viewed respectively as $N_c$ and $N_c-1$ valence quarks bound by the…

High Energy Physics - Phenomenology · Physics 2019-12-11 Ghil-Seok Yang , Hyun-Chul Kim

The self-consistent chiral quark-soliton model is a relativistic pion mean-field approach in the large $N_c$ limit, which describes both light and heavy baryons on an equal footing. In the limit of the infinitely heavy mass of the heavy…

High Energy Physics - Phenomenology · Physics 2018-06-13 June-Young Kim , Hyun-Chul Kim

In this talk, we briefly review a series of recent works on singly heavy baryons, based on a pion mean-field approach. In the limit of the infinitely heavy quark mass, heavy baryons are governed mainly by the light degress of freedom.…

High Energy Physics - Phenomenology · Physics 2020-01-08 Hyun-Chul Kim

In this presentation, we summarize selectively recent results of the electromagnetic form factors of singly heavy baryons with spin 1/2 and related quantities, which were derived within a framework of the self-consistent chiral…

High Energy Physics - Phenomenology · Physics 2018-11-07 June-Young Kim , Hyun-Chul Kim

We review in this paper a series of recent works on properties of singly heavy baryons, based on a pion mean-field approach. In the limit of an infinitely heavy-quark mass, the heavy quark inside a heavy baryon can be regarded as a static…

High Energy Physics - Phenomenology · Physics 2018-08-15 Hyun-Chul Kim

We study the isospin mass differences of singly heavy baryons, based on a pion mean-field approach. We consider both the electromagnetic interactions and the hadronic contributions that arise from the mass difference of the up and down…

High Energy Physics - Phenomenology · Physics 2020-07-22 Ghil-Seok Yang , Hyun-Chul Kim

We show that the masses of the lowest-lying heavy baryons can be very well described in a pion mean-field approach. We consider a heavy baryon as a system consisting of the $N_c-1$ light quarks that induce the pion mean field, and a heavy…

High Energy Physics - Phenomenology · Physics 2016-11-02 Ghil-Seok Yang , Hyun-Chul Kim , Maxim V. Polyakov , Michał Praszałowicz

We investigate the axial-vector transition form factors of the lowest-lying singly heavy baryons within the framework of the chiral quark-soliton model. We consider the linear $m_{\mathrm{s}}$ corrections, dealing with the strange current…

High Energy Physics - Phenomenology · Physics 2022-12-07 Jung-Min Suh , Hyun-Chul Kim

We study the electromagnetic form factors of the lowest-lying singly heavy baryons with spin 1/2 within the framework of the chiral quark-soliton model, focusing on the comparison with recent lattice data. To compare the present results…

High Energy Physics - Phenomenology · Physics 2021-06-30 June-Young Kim , Hyun-Chul Kim

We study the electromagnetic form factors of the lowest-lying singly heavy baryons in a pion mean-field approach, which is also known as the SU(3) chiral quark-soliton model. In the limit of the heavy-quark mass, the dynamics inside a…

High Energy Physics - Phenomenology · Physics 2021-02-17 June-Young Kim , Hyun-Chul Kim

We review the experimental and theoretical status of baryons containing one heavy quark. The charm and bottom baryon states are classified and their mass spectra are listed. The appropriate theoretical framework for the description of heavy…

High Energy Physics - Phenomenology · Physics 2011-01-25 J. G. Koerner , D. Pirjol , M. Kraemer

Transition decay widths by one-pion emissions for excited heavy-baryons with a single heavy (charm and bottom) quark are investigated by following the heavy-quark symmetry and its breaking effects at ${\cal O}(1/M)$ for a heavy-baryon mass…

High Energy Physics - Phenomenology · Physics 2019-08-07 S. Yasui

We investigate how the masses of singly heavy baryons undergo changes in nuclear matter. The mass spectrum of the singly heavy baryons was successfully described in a pion-mean field approach even with isospin symmetry breaking, based on…

High Energy Physics - Phenomenology · Physics 2023-02-08 Nam-Yong Ghim , Hyun-Chul Kim , Ulugbek Yakhshiev , Ghil-Seok Yang

Single pion transitions of S wave to S wave, P wave to S wave and P wave to P wave heavy baryons are analyzed in the framework of the Heavy Quark Symmetry limit (HQS). We use a constituent quark model picture for the light diquark system…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Hussain , J. G. Koerner , Salam Tawfiq

I discuss the structure of current-induced bottom baryon to charm baryon transitions, and the structure of pion and photon transitions between heavy charm or bottom baryons in the Heavy Quark Symmetry limit as $m_Q\rightarrow\infty$. The…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. G. K"orner

A singly heavy baryon can be viewed as $N_c-1$ ($N_c$ as the number of colors) light valence quarks bound by the pion mean fields that are created by the presence of the $N_c-1$ valence quarks self-consistently, while the heavy quark inside…

High Energy Physics - Phenomenology · Physics 2020-04-29 June-Young Kim , Hyun-Chul Kim

We calculate the magnetic moments of heavy baryons with a single heavy quark in the bound-state approach. In this approach the heavy baryons is considered as a heavy meson bound in the field of a light baryon. The light baryon field is…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Scholl , H. Weigel

The two heavy quarks in a baryon which contains two heavy quarks and a light one, can constitute a scalar or axial vector diquark. We study electromagnetic radiations of such baryons, (i) \Xi_{(bc)_1} -> \Xi_{(bc)_0}+\gamma, (ii)…

High Energy Physics - Phenomenology · Physics 2011-07-19 Wu-Sheng Dai , Xin-Heng Guo , Hong-Ying Jin , Xue-Qian Li

In this work, we analyze the electromagnetic structure of the pion. We calculate its electromagnetic radius and electromagnetic form factor in low and intermediate momentum range. Such observables are determined by means of a theoretical…

High Energy Physics - Phenomenology · Physics 2015-06-11 Clayton S. Mello , José P. Cruz Filho , Edson O. da Silva , J. P. B. C. de Melo , Bruno El-Bennich , Victo S. Filho

We discuss the structure of current-induced bottom baryon to charm baryon transitions, and the structure of pion and photon transitions between heavy charm or bottom baryons in the Heavy Quark Symmetry limit as ${\scriptstyle m_Q\rightarrow…

High Energy Physics - Phenomenology · Physics 2009-09-25 J. G. Koerner , J. Landgraf
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