从QCD赝标量求和规则确定奇异夸克质量
高能物理 - 唯象学
2009-10-31 v1
摘要
讨论了一种基于轴矢量流散度两点函数来确定奇异夸克质量的新方法。该格林函数在微扰QCD中已知至O(alpha_s^3)阶，在非微扰区域已知至维度六。强子谱函数用Kaon极点及其两个径向激发态参数化，并根据传统手征对称性在阈值处归一化。对该两点函数进行Laplace变换QCD求和规则分析的结果为：m_s(1 GeV^2) = 155 ± 25 MeV。
引用
@article{arxiv.hep-ph/9809338,
title = {Determination of the strange-quark mass from QCD pseudoscalar sum rules},
author = {C. A. Dominguez and L. Pirovano and K. Schilcher},
journal= {arXiv preprint arXiv:hep-ph/9809338},
year = {2009}
}
备注
Invited talk given by CAD at QCD98, Montpellier, July 1998. To appear in Nucl.Phys.B Proc.Suppl. Latex File. Four (double column) pages