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Effective interaction models of quantum chromodynamics, based on quark degrees of freedom, have been successfully employed to compute the properties of a large array of ground and excited meson and baryon states, along with their…

High Energy Physics - Phenomenology · Physics 2026-01-12 Fábio L. Braghin , Bruno El-Bennich , Fernando E. Serna

The spectrum of baryons containing heavy quarks of one flavor is described in terms of representations of the group SU(2) X SU(6), where the two factor groups refer to spin rotations of the heavy quarks and spin-flavor rotations of the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Richard F. Lebed

The mass spectra of the L=1 orbitally excited heavy baryons with light quarks in both the spin-flavor symmetric and the mixed representations are studied by the $1/N_c$ expansion method in the framework of the heavy quark effective theory.…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jong-Phil Lee , Chun Liu , H. S. Song

I review the recent proposal that there are new isotriplet heavy baryons with masses approximately 2380 MeV and 5760 MeV. This prediction follows from the application of heavy spin-flavor and light $SU(3)$ symmetries to the observed charmed…

High Energy Physics - Phenomenology · Physics 2011-04-15 Adam F. Falk

This paper is a continuation of previous work about the effects of a phenomenological flavour dependent force in a relativistically covariant constituent quark model based on the Salpeter equation on the structure of light-flavoured baryon…

High Energy Physics - Phenomenology · Physics 2015-06-05 Michael Ronniger , Bernard Ch. Metsch

We compute the Coulomb interaction energy of dense sets of static quarks in a compact volume (much smaller than the lattice volume) containing one quark per lattice site. The quark color charges are combined into either a set of three-quark…

High Energy Physics - Lattice · Physics 2019-08-14 Jeff Greensite , Evan Owen

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

Magnetic moments of baryons in the ground-state octet and decuplet are calculated in a light-front framework. We investigate the effects of quark mass variation both in the current operator and in the wavefunctions. A simple fit uses single…

Nuclear Theory · Physics 2007-05-23 Simon Capstick , B. D. Keister

Using the Hypercentral Constituent Quark Model (hCQM), the mass spectra of doubly heavy baryons $\Xi_{cb}$ and $\Xi_{bb}$ are determined. The model describes an interaction inside the baryonic system. Screened potential has been considered…

High Energy Physics - Phenomenology · Physics 2023-04-07 Amee Kakadiya , Chandni Menapara , Ajay Kumar Rai

The high-intensity beams provided by the CERN SPS in a large range of energies offer a unique opportunity to investigate the region of the QCD phase diagram at high baryochemical potential. The NA60+ experiment, proposed for taking data…

Nuclear Experiment · Physics 2023-08-03 Roberta Arnaldi

L=1 excited heavy baryon masses are analyzed by heavy quark and large N_c expansions. In heavy quark limit, mass is parameterized by \Lambda-bar and it is expanded further by spin-flavor breaking operators to the zeroth order of 1/N_c.…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jong-Phil Lee , Chun Liu , H. S. Song

Static properties of multiskyrmions with baryon numbers up to 8 are calculated, including momenta of inertia and sigma-term. The calculations are based on the recently suggested SU(2) rational map ansaetze. Minimization with the help of…

High Energy Physics - Phenomenology · Physics 2009-01-07 V. B. Kopeliovich , W. J. Zakrzewski

We consider the strangeness-changing decays of hyperons into another baryon and missing energy which is carried away by a pair of invisible spinless bosons. Pursuing a model-independent approach and taking into account constraints from the…

High Energy Physics - Phenomenology · Physics 2019-10-07 Gang Li , Jhih-Ying Su , Jusak Tandean

We present results from a chiral soliton model calculation for the spectrum of baryons with a single heavy quark (charm or bottom) and non-zero strangeness. We treat the strange components within a three flavor collective coordinate…

High Energy Physics - Phenomenology · Physics 2015-09-22 J. P. Blanckenberg , H. Weigel

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 present a new classification scheme of baryon ground states and resonances into SU(3) flavor multiplets. The scheme is worked out along a covariant formalism with relativistic constituent quark models and it relies on detailed…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Melde , W. Plessas , B. Sengl

We investigate the charmed baryon mass spectrum using the relativistic heavy quark action on 2+1 flavor PACS-CS configurations previously generated on $32^3 \times 64$ lattice. The dynamical up-down and strange quark masses are tuned to…

High Energy Physics - Lattice · Physics 2013-05-29 Y. Namekawa , S. Aoki , K. -I. Ishikawa , N. Ishizuka , K. Kanaya , Y. Kuramashi , M. Okawa , Y. Taniguchi , A. Ukawa , N. Ukita , T. Yoshié

We study odd-parity baryonic resonances with one heavy and three light flavors, dynamically generated by meson-baryon interactions. Special attention is paid to Heavy Quark Spin Symmetry (HQSS), hence pseudoscalar and vector mesons and…

High Energy Physics - Phenomenology · Physics 2015-06-17 C. Garcia-Recio , L. L. Salcedo , D. Gamermann , J. Nieves , O. Romanets , L. Tolos

Assuming that the number densities of heavy flavor in hadron gas and in QGP are same at $T_c$, we obtain the effective mass of heavy quark at $T_c$ from the comparison with the hadron resonance gas model which well describes particle yield…

High Energy Physics - Phenomenology · Physics 2025-02-25 Taesoo Song , Qi Zhou

In this paper, the electromagnetic mass differences of heavy hadrons are discussed, while ignoring the relevant hyperfine interactions. The effects of one-photon exchange interaction and up-down quark mass difference are parameterized. Two…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chien-Wen Hwang , Ching-Ho Chung