Analysis of B_d^0 -> phi K^{*0} decay mode with supersymmetry

Abstract

Motivated by the recent measurement of low longitudinal polarization fraction in the decay mode $\B \to ϕK^{*0}$, which appears not to be in agreement with the standard model expectation, we analyze this mode in the minimal supersymmetric standard model with mass insertion approximation. Within the standard model, with factorization approximation, the longitudinal polarization is expected to be $f_L\sim 1-\mathcal{O}(1/m_b^2)$. We find that this anomaly can be explained in the minimal supersymmetric standard model with either $LR$ or $RL$ mass insertion approximation.

arXiv comment18 pages, 3 figures, title changed, version to appear in EPJC

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• Evidence for the decay B0 --> omega omega and search for B0 --> omega phi
• Recent BABAR Results