Flavour Changing Neutral Currents and Inverted Sfermion Mass Hierarchy

Details Flavour Changing Neutral Currents and Inverted Sfermion Mass Hierarchy Flavour Changing Neutral Currents and Inverted Sfermion Mass Hierarchy

2005-07-11

arxiv.org/abs/hep-ph/0507133v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 6 figures. Talk given at the XLth Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile,

Scientific paper

We study the contraints on non-flavour-blind soft supersymmetry breaking terms coming from flavour and CP violating processes in the presence of hierarchical Yukawa couplings, and quantify how much these constraints are weakened in the regions of the MSSM parameter space characterized by heavy gauginos and multi-TeV sfermion masses, respectively. We also study the inverted sfermion mass hierarchy scenario in the context of D-term supersymmetry breaking, and show that generic hierarchical Yukawa couplings with arbitrary phases require first generation squarks in the few 10 TeV range.

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