Δ(1232) axial charge and form factors from lattice QCD.

Abstract

We present the first calculation on the Δ axial vector and pseudoscalar form factors using lattice QCD. Two Goldberger-Treiman relations are derived and examined. A combined chiral fit is performed to the nucleon axial charge, N to Δ axial transition coupling constant and Δ axial charge.

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@article{Alexandrou20111232AC, title={Δ(1232) axial charge and form factors from lattice QCD.}, author={Constantia Alexandrou and E. B. Gregory and Tomasz Korzec and G. Koutsou and John W. Negele and Toru Sato and Antonios Tsapalis}, journal={Physical review letters}, year={2011}, volume={107 14}, pages={141601} }