Supersymmetric Contributions to Bs->K+K-

Details Supersymmetric Contributions to Bs->K+K- Supersymmetric Contributions to Bs->K+K-

2005-11-25

arxiv.org/abs/hep-ph/0511295v2

JHEP 0602:027,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 2 figures. This new version contains one added reference and some minor style changes

Scientific paper

10.1088/1126-6708/2006/02/027

Inspired by the existing calculation of B->piK decays in supersymmetry (SUSY), we evaluate the dominant SUSY contributions to Bs->K+K-. We show that the observables of this process can be significantly modified in the presence of SUSY. In particular, the branching ratio can be increased considerably compared to the prediction of the standard model (SM). The effect is even more dramatic for the CP-violating asymmetries A_dir and A_mix. These asymmetries, expected to be small in the SM (A_dir is predicted to take only positive values), change drastically with SUSY contributions. The measurement of these observables can therefore be used to detect the presence of physics beyond the SM, and put constraints on its parameters.

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