中文

用手征轻夸克作用量的B_s-\(\bar{B_s}\)混合

高能物理 - 格点 2010-03-19 v1

摘要

我们通过计算格点HQET静态极限下与Neuberger轻夸克作用量相关的强子矩阵元,研究了标准模型中B^0_s-Bs0ˉ\bar{B^0_s}混合振幅。在淬火近似下,并在QCD中匹配到MSˉ\bar{\rm MS}方案后,我们得到BBsMSˉ(mb)=0.940(16)(22)B^{\bar{\rm MS}}_{B_s}(m_b)=0.940(16)(22)

关键词

引用

@article{arxiv.hep-lat/0509165,
  title  = {B_s-\bar{B_s} mixing with a chiral light quark action},
  author = {D. Becirevic and B. Blossier and Ph. Boucaud and J. P. Leroy and A. Le Yaouanc and O. Pene},
  journal= {arXiv preprint arXiv:hep-lat/0509165},
  year   = {2010}
}

备注

6 pages, 3 figures, talk presented at Lattice 2005 (Heavy quark physics)