Phenomenology of a String-Inspired Supersymmetric Model with Inverted Scalar Mass Hierarchy

Details Phenomenology of a String-Inspired Supersymmetric Model with Inverted Scalar Mass Hierarchy Phenomenology of a String-Inspired Supersymmetric Model with Inverted Scalar Mass Hierarchy

1999-11-29

arxiv.org/abs/hep-ph/9911510v2

Phys.Lett.B483:184-190,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version to appear in Physics Letters B

Scientific paper

10.1016/S0370-2693(00)00561-X

Supersymmetric (SUSY) models with heavy sfermions ($m_{\tilde{f}} \sim 10$ TeV) in the first two generations and the third generation sfermion masses below 1 TeV can solve the SUSY flavor and the CP problems as well as satisfy naturalness constraints. We study the phenomenology of a string-inspired scenario and compare it with the minimal supergravity unified model (mSUGRA). The SUSY trilepton signature at the upgraded Tevatron, the $b\to s\gamma$ branching fraction and the neutralino dark matter relic density in this model can differ significantly from the mSUGRA model.

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