Supersymmetric mass spectra for gravitino dark matter with a high reheating temperature

Details Supersymmetric mass spectra for gravitino dark matter with a high reheating temperature Supersymmetric mass spectra for gravitino dark matter with a high reheating temperature

2010-09-20

arxiv.org/abs/1009.3801v1

JHEP 1101:033,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 9 figures

Scientific paper

10.1007/JHEP01(2011)033

Supersymmetric theories with gravitino dark matter generally do not allow the high reheating temperature required by thermal leptogenesis without running afoul of relic abundance or big bang nucleosynthesis constraints. We report on a successful search for parameter space that does satisfy these requirements. The main implication is the near degeneracy of the gluino with the other neutralinos in the spectrum. The leading discovery channel at the LHC for this scenario is through monojet plus missing energy events.

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