使用Nf=2+1畴壁费米子的核子到Delta跃迁形状因子
高能物理 - 格点
2010-11-05 v1
摘要
我们使用动力学畴壁费米子计算了电磁、轴矢和赝标量核子到Delta形状因子,计算在晶格间距a = 0.114 fm、空间尺寸2.74 fm的晶格上进行,π介子质量为331 MeV。我们检验了π介子极点主导和Goldberger-Treiman关系。
引用
@article{arxiv.0910.5617,
title = {N to Delta transition form factors with Nf=2+1 domain wall fermions},
author = {C. Alexandrou and G. Koutsou and J. W. Negele and A. O'Cais and Y. Proestos and A. Tsapalis},
journal= {arXiv preprint arXiv:0910.5617},
year = {2010}
}
备注
8 pages, 8 figures, Presented at the XXVII International Symposium on Lattice Field Theory, LATTICE 2009, July 26-31, 2009, Peking University, Beijing, China