A gauge mediation scenario with hidden sector renormalization in MSSM

Details A gauge mediation scenario with hidden sector renormalization in MSSM A gauge mediation scenario with hidden sector renormalization in MSSM

2010-01-10

arxiv.org/abs/1001.1509v3

Phys.Rev.D81:035022,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 5 figures, comments added, to appear in PRD

Scientific paper

10.1103/PhysRevD.81.035022

We study the hidden sector effects to the mass renormalization of a simplest gauge-mediated supersymmetry breaking scenario. We point out that possible hidden sector contributions render the soft scalar masses smaller, resulting in drastically different sparticle mass spectrum at low energy. In particular, in the ${\bf 5}+\bar{\bf 5}$ minimal gauge mediated supersymmetry breaking with high messenger scale (that is favored by the gravitino cold dark matter scenario), we show that stau can be the next lightest superparticle for moderate values of hidden sector self coupling. This provides a very simple theoretical model of long-lived charged next lightest superparticles, that imply distinctive signals in ongoing and upcoming collider experiments.

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