Scalar interactions and the polarizations of B→ ϕK*
Chen, Chuan-Hung · Geng, Chao-Qiang
Original · EN
We try to understand the polarization puzzle in B→ ϕK* decays with a simple Higgs model associated with flavor changing neutral current at tree level. The new interactions can effectively reduce the longitudinal polarization |A₀|². In particular, we find that if the couplings of b-quark in different chiralities to Higgs are the same, the transverse polarization |A⊥|² can receive the largest contribution and its value can be as large as 30%. On the other hand, with opposite sign in the couplings, the other transverse polarization |A∥|² is enhanced.
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