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Related papers: Baryon properties from light-front holographic QCD

200 papers

The electromagnetic properties of the baryon decuplet are calculated in quenched QCD on a 20^3 x 40 lattice with a lattice spacing of 0.128 fm using the fat-link irrelevant clover (FLIC) fermion action with quark masses providing a pion…

High Energy Physics - Lattice · Physics 2010-04-23 S. Boinepalli , D. B. Leinweber , P. J. Moran , A. G. Williams , J. M. Zanotti , J. B. Zhang

We investigate the predictive power of a relativistic quark model formulated on the light-front. The nucleon electromagnetic form factors, the semileptonic weak decays of the hyperons and the magnetic moments of both baryon octet and…

High Energy Physics - Phenomenology · Physics 2011-04-15 Felix Schlumpf

Motivated by recent experimental data on $\Sigma^+\to p\gamma$ at BESIII, we investigate a class of hyperon weak radiative decays. To estimate these processes, in our research, we employ a new type of light-front quark model with a…

High Energy Physics - Phenomenology · Physics 2024-01-09 Zhi-Peng Xing , Yu Ji Shi , Jin Sun , Zhen-Xing Zhao

The electromagnetic properties of baryons containing a heavy quark are calculated at next-to-leading order in partially quenched heavy hadron chiral perturbation theory. Calculations are performed for three light flavors in the isospin…

High Energy Physics - Lattice · Physics 2009-11-10 Brian C. Tiburzi

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

We present an extensive study of the static properties of light exotic and non-exotic baryons, based on the formulation of chiral quark-soliton model in terms of light-cone wave functions. We discuss in particular vector, axial and tensor…

High Energy Physics - Phenomenology · Physics 2010-10-11 Cédric Lorcé

We study the electroweak properties of ground state octet baryons in a relativistic quark-spectator-diquark model, with light-front formalism applied to take relativistic effects into account. Our model provides a consistent picture of the…

High Energy Physics - Phenomenology · Physics 2018-04-03 Jun Zhang , Bo-Qiang Ma

The electromagnetic and gravitational form factors of decuplet baryons are systematically studied with a covariant quark-diquark approach. The model parameters are firstly discussed and determined through comparison with the lattice…

High Energy Physics - Phenomenology · Physics 2023-11-15 JiaQi Wang , Dongyan Fu , Yubing Dong

The correspondence between theories in anti-de Sitter space and field theories in physical space-time leads to an analytic, semiclassical model for strongly-coupled QCD which has scale invariance at short distances and color confinement at…

High Energy Physics - Phenomenology · Physics 2015-05-27 Stanley J. Brodsky , Guy F. de Teramond

A method for computing electromagnetic properties of hadrons in lattice QCD is applied to the extraction of electromagnetic properties of the octet baryons. This allows a determination of the full dependence of the baryon masses on the…

High Energy Physics - Lattice · Physics 2009-10-28 A. Duncan , E. Eichten , H. Thacker

The resonance mass spectra have been studied through a non-relativistic hypercentral Constituent Quark Model (hCQM) using a linear potential. Also, the effects of higher order correction terms (${\cal{O}}(\frac{1}{m})$,…

High Energy Physics - Phenomenology · Physics 2024-05-13 Chandni Menapara , Ajay Kumar Rai

This thesis describes the use of Dyson-Schwinger equations (DSEs) to study baryon bound states in QCD. In this work, octet baryon axial form factors are calculated using a symmetry-preserving treatment of a vector $\times$ vector contact…

High Energy Physics - Phenomenology · Physics 2024-02-06 Peng Cheng

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

A new Hamiltonian model is introduced to study the spectrum of light hadrons. It combines relativistic field theory with elements of the constituent quark model. In addition to the standard linear confining and pseudoscalar meson exchange…

High Energy Physics - Phenomenology · Physics 2015-06-11 W. Xie , P. Wang

We study the roles of quark-pair correlations for baryon properties, in particular on non-leptonic weak decay of hyperons. We construct the quark wave function of baryons by solving the three body problem explicitly with confinement force…

Nuclear Theory · Physics 2009-10-31 K. Suzuki , E. Hiyama , H. Toki , M. Kamimura

The statistical model in combination with detailed balance principle is able to phenomenological calculate and analyze spin and flavor dependent properties like magnetic moments (with effective masses, effective charge, with both effective…

High Energy Physics - Phenomenology · Physics 2018-01-08 Amanpreet Kaur , Pallavi Gupta , Alka Upadhyay

We extend the confined covariant constituent quark model that was previously developed by us for mesons to the baryon sector. In our numerical calculation we use the same values for the constituent quark masses and the infrared cutoff as…

High Energy Physics - Phenomenology · Physics 2013-05-30 Thomas Gutsche , Mikhail A. Ivanov , Jurgen G. Korner , Valery E. Lyubovitskij , Pietro Santorelli

We present a calculation of the electric and magnetic form factors of ground-state octet and decuplet baryons including strange quarks. We work with a combination of Dyson-Schwinger equations for the quark propagator and covariant…

High Energy Physics - Phenomenology · Physics 2016-03-03 Helios Sanchis-Alepuz , Christian S. Fischer

This work is a continuation in our series of papers, that addresses quark models of hadronic structure on the light front. The chief focus of this paper is the quantum-mechanical solution of the three-quark model Hamiltonian, describing…

High Energy Physics - Phenomenology · Physics 2023-03-08 Edward Shuryak , Ismail Zahed

We calculate light-front wave functions of mesons, baryons and pentaquarks in a model including constituent mass (representing chiral symmetry breaking), harmonic confining potential, and 4-quark local interaction of 't Hooft type. The…

High Energy Physics - Phenomenology · Physics 2019-12-18 Edward Shuryak
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