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Related papers: Octet and decuplet baryon self-energies in relativ…

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We investigate the electromagnetic mass differences of SU(3) baryons, using an "model-independent approach" within a chiral soliton model. The electromagnetic self-energy corrections to the masses of the baryon are expressed as the baryonic…

High Energy Physics - Phenomenology · Physics 2011-01-28 Ghil-Seok Yang , Hyun-Chul Kim , Maxim V. Polyakov

We perform an analysis of the QCD lattice data on the baryon octet and decuplet masses based on the relativistic chiral Lagrangian. The baryon self energies are computed in a finite volume at next-to-next-to-next-to leading order (N$^3$LO),…

High Energy Physics - Lattice · Physics 2014-09-17 M. F. M. Lutz , R. Bavontaweepanya , C. Kobdaj , K. Schwarz

We present a comprehensive analysis of the SU(3) octet and decuplet baryon masses and $\sigma$-terms using high-precision lattice QCD data and chiral SU(3) effective theory with finite range regularization. The effects of various systematic…

Nuclear Theory · Physics 2023-06-01 P. M. Copeland , Chueng-Ryong Ji , W. Melnitchouk

We compute the self energies of the baryon octet and decuplet states at the one-loop level applying the manifestly covariant chiral Lagrangian. It is demonstrated that expressions consistent with the expectation of power counting rules…

Nuclear Theory · Physics 2010-12-16 A. Semke , M. F. M. Lutz

We calculate baryon decuplet to octet electromagnetic transition form factors in quenched and partially quenched chiral perturbation theory. We work in the isospin limit of SU(3) flavor, up to next-to-leading order in the chiral expansion,…

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

The quantum group $SU_q(3)=U_q(su(3))$ is taken as a baryon flavor symmetry. Accounting for electromagnetic contributions to baryons masses to zeroth order, new charge specific $q$-deformed octet and decuplet baryon mass formulas are…

High Energy Physics - Phenomenology · Physics 2016-11-23 Niels G. Gresnigt

We report on a recent chiral extrapolation, based on an SU(3) framework, of octet baryon masses calculated in 2+1-flavour lattice QCD. Here we further clarify the form of the extrapolation, the estimation of the infinite-volume limit, the…

High Energy Physics - Lattice · Physics 2010-01-15 R. D. Young

Magnetic properties of octet baryons are investigated within the framework of chiral perturbation theory. Utilizing a power counting for large magnetic fields, the Landau levels of charged mesons are treated exactly giving rise to baryon…

High Energy Physics - Phenomenology · Physics 2018-01-17 Amol Deshmukh , Brian C. Tiburzi

We calculate the effective potentials of the octet baryon and heavy meson systems using the chiral effective field theory up to the next-to-leading order. We consider the contact terms, one-pseudoscalar-meson and two-pseudoscalar-meson…

High Energy Physics - Phenomenology · Physics 2024-12-12 Bo-Lin Huang , Bo Wang , Shi-Lin Zhu

We construct the most general chiral effective Lagrangian for baryon-baryon contact interactions in flavor SU(3) up to order q^2 using a covariant power counting. A subset of these contact terms contributes to the baryon-baryon potential in…

Nuclear Theory · Physics 2013-09-24 Stefan Petschauer , Norbert Kaiser

We review the quark-mass dependence of the baryon octet and decuplet masses as obtained from recent lattice simulations of the BMW, PACS-CS, LHPC, HSC and QCDSF-UKQCD groups. Our discussion relies on the relativistic chiral Lagrangian and…

High Energy Physics - Lattice · Physics 2013-02-05 M. F. M. Lutz , A. Semke

Working within the non relativistic quark model a two parameter fit to the magnetic moments of baryons is presented. The fit has an excellent $\chi^2$. The model is based on taking different flavor groups to describe the different magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. G. Contreras , R. Huerta , L. R. Quintero

We calculate electromagnetic properties of the decuplet baryons in quenched and partially quenched chiral perturbation theory. We work at next-to-leading order in the chiral expansion, leading order in the heavy baryon expansion, and obtain…

High Energy Physics - Lattice · Physics 2014-11-17 Daniel Arndt , Brian C. Tiburzi

We report an analysis of the impressive new lattice simulation results for octet baryon masses in 2+1-flavor QCD. The analysis is based on a low order expansion about the chiral SU(3) limit in which the symmetry breaking arises from terms…

High Energy Physics - Lattice · Physics 2010-04-06 R. D. Young , A. W. Thomas

We perform a complete and systematic calculation of the octet-baryon form factors within the fully covariant approach of SU(3) chiral perturbation theory at O(p^3). We use the extended on-mass shell renormalization scheme, and include…

High Energy Physics - Phenomenology · Physics 2017-11-29 Astrid N. Hiller Blin

We investigate the strong coupling constants for the baryon octet-octet, decuplet-octet, and decuplet-decuplet vertices with pseudoscalar mesons within a general framework of the chiral quark-soliton model, taking into account the effects…

High Energy Physics - Phenomenology · Physics 2018-10-17 Ghil-Seok Yang , Hyun-Chul Kim

We investigate the electromagnetic form factors of the baryon decuplet within the framework of the $\mathrm{SU(3)}$ self-consistent chiral quark-soliton model, taking into account the $1/N_c$ rotational corrections and the effects of flavor…

High Energy Physics - Phenomenology · Physics 2019-07-24 June-Young Kim , Hyun-Chul Kim

The electromagnetic form factors of octet baryons are investigated with the nonlocal chiral effective theory. The nonlocal interaction generates both the regulator which makes the loop integral convergent and the $Q^2$ dependence of form…

High Energy Physics - Phenomenology · Physics 2020-11-03 Mingyang Yang , Ping Wang

Electromagnetic properties of the octet mesons as well as the octet and decuplet baryons are augmented in quenched and partially quenched chiral perturbation theory to include O(a) corrections due to lattice discretization. We present the…

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

We describe a calculation of the spectrum of flavour-SU(3) octet and decuplet baryons, their parity partners, and the radial excitations of these systems, made using a symmetry-preserving treatment of a vector-vector contact interaction as…

Nuclear Theory · Physics 2017-08-02 Ya Lu , Chen Chen , Craig D. Roberts , Jorge Segovia , Shu-Sheng Xu , Hong-Shi Zong
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