Study of some rare decays of B s meson in the fourth generation model

Mohanta, R and Giri, Anjan Kumar (2012) Study of some rare decays of B s meson in the fourth generation model. Physical Review D, 85 (1). ISSN 1550-7998

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Abstract

We study some rare decays of the Bs meson governed by the quark-level transitions b→s, in the fourth generation model popularly known as SM4. Recently, it has been shown that SM4, which is a simple extension of the SM3, can successfully explain several anomalies observed in the CP violation parameters of B and Bs mesons. We find that in this model, due to the additional contributions coming from the heavy t′ quark in the loop, the branching ratios and other observables in rare Bs decays deviate significantly from their SM values. Some of these modes are within the reach of LHCb experiments, and a search for such channels is strongly argued.

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