Baryonic rare decays of Λb→Λl+l-

Chuan Hung Chen, C. Q. Geng

研究成果: Article

94 引文 斯高帕斯(Scopus)

摘要

We present a systematic analysis for the rare baryonic exclusive decays of Λb→Λl+l- (l=e,μ,τ). We study the differential decay rates and the dilepton forward-backward, lepton polarization, and various CP asymmetries with a new simple set of form factors inspired by the heavy quark effective theory. We show that most of the observables are insensitive to the nonperturbative QCD effects. To illustrate the effect of new physics, we discuss our results in an explicit supersymmetric extension of the standard model, which contains new CP violating phases and therefore induces sizable CP violating asymmetries.

原文English
文章編號074001
期刊Physical Review D
64
發行號7
DOIs
出版狀態Published - 2001 十二月 1

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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