Chiral Corrections and the Axial Charge of the Delta

Abstract

Chiral corrections to the delta axial charge are determined using heavy baryon chiral perturbation theory. Knowledge of this axial coupling is necessary to assess virtual-delta contributions to nucleon and delta observables. We give isospin relations useful for a lattice determination of the axial coupling. Furthermore we detail partially quenched chiral corrections, which are relevant to address partial quenching and/or mixed action errors in lattice calculations of the delta axial charge.

4 pages, 3 figures, brief report

References in corpus (5)

• Electromagnetic excitation of the Delta(1232)-resonance
• The nucleon to Delta electromagnetic transition form factors in lattice QCD
• The axial N to Delta transition form factors from Lattice QCD
• The Delta-resonance in a finite volume
• Chiral Corrections to Hyperon Axial Form Factors

Cited by in corpus (10)

• Light hadron spectroscopy using domain wall valence quarks on an Asqtad sea
• The masses and axial currents of the doubly charmed baryons
• Axial charges of octet and decuplet baryons
• Time Dependence of Nucleon Correlation Functions in Chiral Perturbation Theory
• Hyperon Axial Charges in Two-Flavor Chiral Perturbation Theory
• Meson cloud contributions to baryon axial form factors
• Axial-vector form factors of the baryon decuplet with flavor SU(3) symmetry breaking
• Quark spin content of SU(3) light and singly heavy baryons
• Isovector axial vector and pseudoscalar transition form factors of $\Delta$ in QCD
• Axial transition form factors of octet baryons in the perturbative chiral quark model