Isovector axial-vector form factors of octet baryons in QCD

Details Isovector axial-vector form factors of octet baryons in QCD Isovector axial-vector form factors of octet baryons in QCD

2011-05-09

arxiv.org/abs/1105.1637v1

Phys.Rev.D83:114022,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 3 figures

Scientific paper

10.1103/PhysRevD.83.114022

We compute the diagonal isovector axial-vector as well as induced pseudoscalar form factors of nucleon, $\Sigma$ and $\Xi$ 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.

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