Inspection of new physics in B0s→K+K− decay mode

Mohapatra, Manas K (2019) Inspection of new physics in B0s→K+K− decay mode. arXiv.org.

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Abstract

We scrutinize the penguin dominated Bs → K+K− decay mode involving b → s quark level transition in family non-universal Z 0 and vector-like down quark model. There is discrepancy in the standard model branching ratio value of this mode with the experimental results reported by Belle, CDF and LHCb Collaborations. Additionally, the measured values of CP-violating asymmetries CK+K− and SK+K− deviate from the SM results. We constrain the new parameter space by using the existing experimental limits on leptonic Bs → `` (` = e, µ, τ ) processes. We then check the effects of new physics on the branching ratio and CP violating parameters of the Bs → K+K− process.

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