A possible supersymmetric solution to the discrepancy between B -> φ K_S and B -> η' K_S CP asymmetries

Details A possible supersymmetric solution to the discrepancy between B -> φ K_S and B -> η' K_S CP asymmetries A possible supersymmetric solution to the discrepancy between B -> φ K_S and B -> η' K_S CP asymmetries

2003-03-25

arxiv.org/abs/hep-ph/0303214v2

Phys.Rev.Lett. 91 (2003) 241602

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.91.241602

We present a possible supersymmetric solution to the discrepancy between the observed mixing CP asymmetries in B -> \phi K_S and B -> \eta' K_S. We show that due to the different parity in the final states of these processes, their supersymmetric contributions from the R-sector have an opposite sign, which naturally explain the large deviation between S_{\phi K_S} and S_{\eta' K_S}. We also consider the proposed mechanisms to solve the puzzle of the observed large branching ratio of B -> \eta' K and study their impact on S_{eta' K_S}.

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