CBBN in the CMSSM

Details CBBN in the CMSSM CBBN in the CMSSM

2007-10-24

arxiv.org/abs/0710.4548v1

Eur.Phys.J.C56:287-291,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures; Submitted for the SUSY07 proceedings

Scientific paper

10.1140/epjc/s10052-008-0650-2

Catalyzed big bang nucleosynthesis (CBBN) can lead to an overproduction of ^6Li in gravitino dark matter scenarios in which the lighter stau is the lightest Standard Model superpartner. Based on a treatment using the state-of-the-art result for the catalyzed ^6Li production cross section, we update the resulting constraint within the framework of the constrained minimal supersymmetric Standard Model (CMSSM). We confront our numerical findings with recently derived conservative limits on the gaugino mass parameter and the reheating temperature.

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