Supersymmetric contributions to the CP asymmetry of the B -> phi K_S and B -> eta' K_S

Details Supersymmetric contributions to the CP asymmetry of the B -> phi K_S and B -> eta' K_S Supersymmetric contributions to the CP asymmetry of the B -> phi K_S and B -> eta' K_S

2003-07-01

arxiv.org/abs/hep-ph/0307024v1

eConf C0304052 (2003) WG305

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talk at the Workshop on the CKM Unitarity Triangle, IPPP Durham, April 2003 (eConf C0304052). 5 pages LaTeX, 10 eps fi

Scientific paper

We analyse the CP asymmetry of the B -> phi K_S and B -> eta' K_S processes in general supersymmetric models. We show that chromomagnetic type of operator may play an important role in accounting for the deviation of the mixing CP asymmetry between B -> phi K_S and B -> J/psi K_S processes observed by Belle and BABAR experiments. We also 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 their asymmetries.

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