Baryon axial currents

Details Baryon axial currents Baryon axial currents

1998-11-19

arxiv.org/abs/hep-ph/9811411v1

Phys.Rev. D59 (1999) 054021

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 8 figures

Scientific paper

10.1103/PhysRevD.59.054021

The baryon axial currents are calculated at one-loop order in heavy baryon chiral perturbation theory by employing both a cutoff and dimensional regularization. Data from the semileptonic baryon decays is used to perform a least-squares fit to the two axial couplings D and F of the effective Lagrangian. Predictions for the momentum dependent axial form factors are made and the two different regularization schemes are compared. We also include the spin-3/2 decuplet in the effective theory.

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