Penguin-mediated Bd,s→VV decays and the Bs-B̄s mixing angle

Sébastien Descotes-Genon, Joaquim Matias, Javier Virto

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26 Citations (Scopus)


In this paper, we propose three different strategies to extract the weak mixing angle s of the Bs system using penguin-mediated decays into vectors, mainly Bs→K*0K̄*0, Bs→ K̄*0, and Bs→. We also provide predictions for the longitudinal branching ratio and CP asymmetries of Bs→K*0K̄*0 using a method that combines QCD factorization with flavor symmetries to relate this decay to its Bd counterpart. © 2007 The American Physical Society.
Original languageEnglish
Article number074005
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number7
Publication statusPublished - 4 Oct 2007


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