A complete analysis of FCNC and CP constraints in general SUSY extensions of the standard model

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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41 pages, 13 Postscript figures (3 corrupted figures replaced), complete gzipped postscript file available at ftp://hpteo.ro

Scientific paper

10.1016/0550-3213(96)00390-2

We analyze the full set of constraints on gluino- and photino-mediated SUSY contributions to FCNC and CP violating phenomena. We use the mass insertion method, hence providing a model-independent parameterization which can be readily applied in testing extensions of the MSSM. In addition to clarifying controversial points in the literature, we provide a more exhaustive analysis of the CP constraints, in particular concerning $\varepsilon^\prime/\varepsilon$. As physically meaningful applications of our analysis, we study the implications in SUSY-GUT's and effective supergravities with flavour non-universality. This allows us to detail the domain of applicability and the correct procedure of implementation of the FC mass insertion approach.

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