轻矢量介子与矢量流和张量流的耦合
高能物理 - 格点
2009-11-10 v2
摘要
我们给出了轻矢量介子与张量流耦合相对于标准矢量介子衰变常数的结果。通过一项在淬火近似下、三个格点间距值处进行的O(a)改进格点研究,我们的最终值(在连续极限下,MS方案中,2 GeV处)为: (f^T/f)_rho =0.72(2)(+2/-0), (f^T/f)_K* =0.74(2), (f^T/f)_phi =0.76(1)。
引用
@article{arxiv.hep-lat/0301019,
title = {Critical Slowing-Down in SU(2) Landau-Gauge-Fixing Algorithms at beta = infinity},
author = {Attilio Cucchieri and Tereza Mendes},
journal= {arXiv preprint arXiv:hep-lat/0301019},
year = {2009}
}
备注
58 pages with 2 figures and 11 tables; slightly modified the last section (Conclusions)