Isovector axial-vector form factors of octet baryons in QCD

2011/05/09 by G. Erkol, Guray Erkol, A. Özpineci +1
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1103/physrevd.83.114022

published as Phys.Rev.D83:114022,2011 · 9 pages, 3 figures

arxiv created 2011/05/09 · openalex publication_date 2011/06/09 · arxiv updated 2011/06/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We compute the diagonal isovector axial-vector as well as induced pseudoscalar form factors of nucleon, \ensuremathΣ, and \ensuremathΞ baryons by employing the light-cone QCD sum rules to leading order in QCD and including distribution amplitudes up to twist 6. Extrapolating our sum-rules results to low-momentum transfers, we make a comparison with experimental and lattice-QCD results where we can achieve a nice qualitative and quantitative agreement.

Citations

• Nucleon form factors from quenched lattice QCD with domain wall fermions
• Chiral corrections to hyperon axial form factors
• SU(3)symmetry breaking in hyperon semileptonic decays
• Calculation of hyperon axial couplings from lattice QCD
• Review of Particle Physics