中文

$B_s$ 介子的寿命差——理论现状

高能物理 - 唯象学 2008-11-26 v2

摘要

我们给出了 BsB_s 介子寿命差的更新,该更新考虑了最近的格点 bag 参数结果,并得到 (ΔΓ/Γ)Bs=(9.34.6+3.4)(\Delta\Gamma/\Gamma)_{B_s}=(9.3^{+3.4}_{-4.6})%。随后我们回顾了当前的理论不确定性,并对进一步改进得出了悲观的前景。

关键词

引用

@article{arxiv.hep-ph/0012222,
  title  = {Lifetime difference of $B_s$ mesons - Theory status},
  author = {Martin Beneke and Alexander Lenz},
  journal= {arXiv preprint arXiv:hep-ph/0012222},
  year   = {2008}
}

备注

7 pages, Talk presented at the UK Phenomenology Workshop on Heavy Flavour and CP Violation, 17 - 22 September 2000, St John's College, Durham. Reference corrected