中文

${\cal B}(D_s \to \phi l^+ \nu)/{\cal B}(D_s\to \phi \pi^+)$的测量

高能物理 - 唯象学 2012-08-27 v1 高能物理 - 实验

摘要

利用CESR上的CLEO~II探测器,我们测量了分支比之比B(Ds+ϕe+ν)/B(Ds+ϕπ+)=0.54±0.05±0.04{\cal B}(D_s^+ \to \phi e^+ \nu)/{\cal B}(D_s^+ \to \phi\pi^+) = 0.54\pm 0.05\pm 0.04。我们利用此测量结果,以模型依赖的方式估算了B(Ds+ϕπ+){\cal B}(D_s^+ \to \phi\pi^+)

引用

@article{arxiv.hep-ph/9403328,
  title  = {A Measurement of ${\cal B}(D_s \to \phi l^+ \nu)/{cal B}(D_s\to \phi \pi^+)$},
  author = {The CLEO Collaboration},
  journal= {arXiv preprint arXiv:hep-ph/9403328},
  year   = {2012}
}

备注

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