The nucleon axial-vector coupling beyond one loop
高能物理 - 格点
2011-07-19 v1 高能物理 - 唯象学
核理论
摘要
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.
引用
@article{arxiv.hep-lat/0605010,
title = {The nucleon axial-vector coupling beyond one loop},
author = {Véronique Bernard and Ulf-G. Meißner},
journal= {arXiv preprint arXiv:hep-lat/0605010},
year = {2011}
}
备注
9 pp, 2 figs