The Gravitino-Stau Scenario and BBN

Details The Gravitino-Stau Scenario and BBN The Gravitino-Stau Scenario and BBN

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1078..497k&link_type=abstract

SUPERSYMMETRY AND THE UNIFICATION OF FUNDAMENTAL INTERACTIONS. AIP Conference Proceedings, Volume 1078, pp. 497-499 (2008).

Mathematics

Logic

Supergravity, Cosmology, Dark Matter

Scientific paper

We consider cosmological constraints on theories with a gravitino LSP and a charged slepton NLSP. In models where the gravitino to gaugino mass ratio is bounded from below, such as gaugino-mediated SUSY breaking, we derive a lower bound on the gaugino mass parameter m1/2. As a concrete example, we determine the parameter space of gaugino mediation that is compatible with all constraints.

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