The nucleon axial-vector coupling beyond one loop

Details The nucleon axial-vector coupling beyond one loop The nucleon axial-vector coupling beyond one loop

2006-05-14

arxiv.org/abs/hep-lat/0605010v1

Phys.Lett.B639:278-282,2006

Physics

High Energy Physics

High Energy Physics - Lattice

9 pp, 2 figs

Scientific paper

10.1016/j.physletb.2006.06.018

We analyze the nucleon axial-vector coupling to two loops in chiral
perturbation theory. We show that chiral extrapolations based on this
representation require lattice data with pion masses below 300 MeV.

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