Kaon vs. Bottom: Where to look for a general MSSM?

Details Kaon vs. Bottom: Where to look for a general MSSM? Kaon vs. Bottom: Where to look for a general MSSM?

2000-07-27

arxiv.org/abs/hep-ph/0007320v2

Phys.Rev.Lett. 86 (2001) 26-29

Physics

High Energy Physics

High Energy Physics - Phenomenology

Comment on BaBar-Belle CP asymmetry results, typos corrected and references added. 10 pages, no figures

Scientific paper

10.1103/PhysRevLett.86.26

We analyze CP violation and Flavor Changing effects in a general Minimal Supersymmetric extension of the Standard Model with arbitrary non-universal soft-breaking terms. We show that, in this conditions, large FCNC effects are naturally expected in the Kaon system, even in the absence of quark-squark flavor misalignment. On the other hand, the B system is only sensitive to new supersymmetric contributions if the non-universality implies, not only different soft term for the three generations but also the presence of a quark-squark misalignment much larger that the corresponding CKM mixing. The only exception to this rule are processes where the chirality changing contributions proportional to tan beta are leading (for instance b -> s gamma).

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