通过τ衰变确定奇异夸克质量
高能物理 - 唯象学
2009-10-31 v1
摘要
利用近期ALEPH对τ的包容Cabibbo压低衰变宽度及其不变质量分布若干矩的测量,我们确定了奇异夸克质量的值。在MS-bar方案中,我们得到m_s(M_τ^2) = (119 ± 24) MeV,对应m_s(1 GeV^2) = (164 ± 33) MeV,m_s(4 GeV^2) = (114 ± 23) MeV。
引用
@article{arxiv.hep-ph/9909559,
title = {Tau Decay Determination of the Strange Quark Mass},
author = {A. Pich and J. Prades},
journal= {arXiv preprint arXiv:hep-ph/9909559},
year = {2009}
}
备注
5pages. Invited talk at QCD'99 (Montpellier, July 1999)