On the B -> X_s l^+ l^- decays in general supersymmetric models

Details On the B -> X_s l^+ l^- decays in general supersymmetric models On the B -> X_s l^+ l^- decays in general supersymmetric models

2002-01-08

arxiv.org/abs/hep-ph/0201049v2

Phys.Lett. B530 (2002) 133-141

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures. References added. To appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(02)01350-3

We analyze the inclusive semileptonic decays B -> X_s l^+ l^- in the framework of the supersymmetric standard model with non-universal soft-breaking terms at GUT scale. We show that the general trend of universal and non-universal models is a decreasing of branching ratio (BR) and increasing of energy asymmetry (AS). However, only non--universal models can have chances to get very large enhancements in BR and AS, corresponding to large (negative) SUSY contributions to the b -> s \gamma amplitude.

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