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The effective quark interaction in a relativistically covariant constituent quark model based on the Salpeter equation is supplemented by an extra phenomenological flavour dependent force in order to account for some discrepancies mainly in…

High Energy Physics - Phenomenology · Physics 2012-01-12 Michael Ronniger , Bernard Ch. Metsch

We calculate mass spectra of charmed baryons within a relativistically covariant quark model based on the Bethe-Salpeter-equation in instantaneous approximation. Interactions are given by a linearly rising three-body confinement potential…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sascha Migura , Dirk Merten , Bernard Metsch , Herbert-R. Petry

In this article, we propose a novel extension of Light-Front Holographic Quantum Chromodynamics (QCD) to study the effects of spin-orbit coupling on the baryon spectrum by introducing a flavor-dependent dynamical spin-orbit potential. This…

High Energy Physics - Phenomenology · Physics 2026-04-15 Fidele J. Twagirayezu

We present results from the QCDSF/UKQCD collaboration for hyperon electromagnetic form factors and axial charges obtained from simulations using Nf=2+1 flavours of O(a)-improved Wilson fermions. We also consider matrix elements relevant for…

High Energy Physics - Lattice · Physics 2013-11-21 A. N. Cooke , R. Horsley , Y. Nakamura , D. Pleiter , P. E. L. Rakow , P. Shanahan , G. Schierholz , H. Stüben , J. M. Zanotti

The Taylor coefficients of flavor diagonal and off-diagonal susceptibilities as well as baryon number, isovector and electric charge susceptibilities are considered within a phenomenological quasiparticle model of the quark-gluon plasma and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Bluhm , B. Kampfer

We investigate baryon-baryon (BB) interactions in the 3-flavor full QCD simulations with degenerate quark masses for all flavors. The BB potentials in the orbital S-wave are extracted from the Nambu-Bethe-Salpeter wave functions measured on…

High Energy Physics - Lattice · Physics 2010-11-09 Takashi Inoue , for HAL QCD Collaboration

By considering a flavour expansion about the SU(3)-flavour symmetric point, we investigate how flavour-blindness constrains octet baryon matrix elements after SU(3) is broken by the mass difference between the strange and light quarks. We…

High Energy Physics - Lattice · Physics 2012-12-12 A. N. Cooke , R. Horsley , Y. Nakamura , D. Pleiter , P. E. L. Rakow , G. Schierholz , J. M. Zanotti

The light flavour baryons are studied within the quark model using the hyper central description of the three-body system. The confinement potential is assumed as hypercentral coulomb plus power potential ($hCPP_\nu$) with power index…

High Energy Physics - Phenomenology · Physics 2012-07-31 Kaushal Thakkar , Bhavin Patel , Ajay Majethiya , P. C. Vinodkumar

Spin dependent fragmentation functions for heavy flavor quarks to fragment into heavy baryons are calculated in a quark-diquark model. The production of intermediate spin 1/2 and 3/2 excited states is explicity included. $\Lambda_b$ ,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gary R. Goldstein

We investigate baryon-baryon (BB) interactions in the 3-flavor full QCD simulations with degenerate quark masses for all flavors. The BB potentials in the orbital S-wave are extracted from the Nambu-Bethe-Salpeter wave functions measured on…

High Energy Physics - Lattice · Physics 2011-01-05 Takashi Inoue , Noriyoshi Ishii , Sinya Aoki , Takumi Doi , Tetsuo Hatsuda , Yoichi Ikeda , Keiko Murano , Hidekatsu Nemura , Kenji Sasaki

We match the non-relativistic quark model, with both flavor dependent and flavor independent effective quark-quark interactions, to the spin-flavor operator basis of the 1/Nc expansion for the L=1 non-strange baryons. We obtain analytic…

Nuclear Theory · Physics 2016-02-10 Cintia Willemyns , Carlos Schat

The three flavor soliton approach for baryons is utilized to discuss effects of flavor symmetry breaking in the baryon wave--functions on axial current matrix elements. The flavor content of the singlet axial current matrix elements, that…

High Energy Physics - Phenomenology · Physics 2007-05-23 Herbert Weigel

We introduce the strange quark mass to the Sakai-Sugimoto model of holographic QCD. We compute mass shifts in the spectra of three-flavor baryons at the leading order in perturbation in quark masses. Comparison with experimental data shows…

High Energy Physics - Theory · Physics 2010-07-07 Koji Hashimoto , Norihiro Iizuka , Takaaki Ishii , Daisuke Kadoh

In this work we present a minimal parametrization of the light-cone distribution amplitudes of the baryon octet including higher twist contributions. Simultaneously we obtain the quark mass dependence of the amplitudes at leading one-loop…

High Energy Physics - Phenomenology · Physics 2015-11-19 Philipp Wein , Andreas Schäfer

The separate quark flavour contributions to the pion and kaon valence quark distribution functions are studied, along with the corresponding electromagnetic form factors in the space-like region. The calculations are made using the solution…

Nuclear Theory · Physics 2016-09-07 Parada T. P. Hutauruk , Ian C. Cloet , Anthony W. Thomas

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

The constituent quark model based on a hypercentral approach takes into account three-body force effects and standard two-body potential contributions. The quark potential contains a hypercentral interaction, to which a hyperfine term is…

Nuclear Theory · Physics 2016-09-08 M. M. Giannini , E. Santopinto , A. Vassallo

Properties of single heavy flavor baryons in a non relativistic potential model with colour coulomb plus power law confinement potential have been studied. The ground state masses of single heavy baryons and the mass difference between the…

High Energy Physics - Phenomenology · Physics 2009-09-29 Ajay Majethiya , Bhavin Patel , P. C. Vinodkumar

We study the baryonic fluctuations of electric charge, baryon number and strangeness, by considering a realization of the Hadron Resonance Gas model in the light flavor sector of QCD. We elaborate on the idea that the susceptibilities can…

High Energy Physics - Phenomenology · Physics 2025-01-10 E. Megias , E. Ruiz Arriola , L. L. Salcedo

The mass spectrum of the L=1 orbitally excited heavy baryons with light quarks in the spin-flavor symmetric representation is studied by the $1/N_c$ expansion method in the framework of the heavy quark effective theory. The mixing effect…

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