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The electromagnetic properties of the baryon octet 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. FLIC fermions enable simulations to be…

High Energy Physics - Lattice · Physics 2010-03-04 S. Boinepalli , D. B. Leinweber , A. G. Williams , J. M. Zanotti , J. B. Zhang

The electromagnetic properties of the SU(3)-flavor baryon decuplet are examined within a lattice simulation of quenched QCD. Electric charge radii, magnetic moments, and magnetic radii are extracted from the E0 and M1 form factors.…

High Energy Physics - Lattice · Physics 2008-11-26 Derek B. Leinweber , Terrence Draper , R. M. Woloshyn

We study the decuplet baryon magnetic moments in a QCD-based quark model beyond quenched approximation. Our approach for unquenching the theory is based on the heavy baryon perturbation theory in which the axial couplings for baryon - meson…

High Energy Physics - Phenomenology · Physics 2009-10-31 Phuoc Ha

We study meson loop corrections to the baryon magnetic moments starting from a QCD-based quark model derived earlier in a quenched approximation to QCD. The model reproduces the standard quark model with extra corrections for the binding of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Phuoc Ha , Loyal Durand

We present calculations of the decuplet baryon magnetic moments in the chiral quark model. As input we use parameters obtained in qualitatively accurate fits to the octet baryon magnetic moments studied previously. The values found for the…

High Energy Physics - Phenomenology · Physics 2009-10-30 Johan Linde , Tommy Ohlsson , Hakan Snellman

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

The electric quadrupole and magnetic octupole moments of the light decuplet baryons are calculated in the framework of the light cone QCD sum rules. The obtained non-vanishing values for the electric quadrupole and magnetic octupole moments…

High Energy Physics - Phenomenology · Physics 2009-11-05 T. M. Aliev , K. Azizi , M. Savci

We investigate the electric form factors and charge radii of the pentaquark baryons within the framework of the chiral quark-soliton model. We consider the rotational $1/N_c$ and linear $m_s$ corrections, assuming isospin symmetry and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tim Ledwig , Hyun-Chul Kim , Antonio Silva , Klaus Goeke

The electromagnetic form factors of the spin-3/2 $\Omega$ baryons, namely $\Omega$, $\Omega_c^\ast$, $\Omega_{cc}^\ast$ and $\Omega_{ccc}$, are calculated in full QCD on $32^3\times 64$ PACS-CS lattices with a pion mass of 156(9) MeV. The…

High Energy Physics - Lattice · Physics 2016-01-06 K. U. Can , G. Erkol , M. Oka , T. T. Takahashi

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

We have systematically investigated the magnetic moments and magnetic form factors of the decuplet baryons to the next-to-next-leading order in the framework of the heavy baryon chiral perturbation theory. Our calculation includes the…

High Energy Physics - Phenomenology · Physics 2021-01-25 Hao-Song Li , Zhan-Wei Liu , Xiao-Lin Chen , Wei-Zhen Deng , Shi-Lin Zhu

We apply a formalism inspired by heavy baryon chiral perturbation theory with finite-range regularization to dynamical $2+1-$flavor CSSM/QCDSF/UKQCD Collaboration lattice QCD simulation results for the electric form factors of the octet…

High Energy Physics - Lattice · Physics 2017-01-10 P. E. Shanahan , A. W. Thomas , R. D. Young , J. M. Zanotti , R. Horsley , Y. Nakamura , D. Pleiter , P. E. L. Rakow , G. Schierholz , H. Stüben

The electromagnetic transition moments of the $SU(3)$-flavor baryon octet to decuplet are examined within a lattice simulation of quenched QCD. The magnetic transition moment for the $N \; \gamma \to \Delta$ channel is found to be in…

High Energy Physics - Lattice · Physics 2008-11-26 Derek B. Leinweber , Terrence Draper , R. M. Woloshyn

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

Fascinating aspects of the light quark-mass behavior of baryon electromagnetic form factors are highlighted. Using FLIC fermions on $20^3 \times 40$ quenched ${\cal O}(a^2)$-improved gauge fields, we explore charge radii and magnetic…

High Energy Physics - Lattice · Physics 2010-03-04 J. N. Hedditch , B. G. Lasscock , D. B. Leinweber , A. G. Williams , J. M. Zanotti , J. B. Zhang

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 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

We investigate the properties of octet and decuplet baryons in a light-front holographic model. By taking into account the effect of nonvanishing quark mass, we obtain the modified light-front wave functions which are applicable at both low…

High Energy Physics - Phenomenology · Physics 2015-11-18 Tianbo Liu , Bo-Qiang Ma

Understanding the novel QCD phenomenon under high external magnetic fields of hot and dense medium help us to develop a better understanding of the underlying quark dynamics of baryons. Using a hybrid approach based on the effective field…

High Energy Physics - Phenomenology · Physics 2026-03-26 Utsa Dastidar , Arvind Kumar , Harleen Dahiya , Suneel Dutt

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
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