Decaying gravitino dark matter and an upper bound on the gluino mass

Details Decaying gravitino dark matter and an upper bound on the gluino mass Decaying gravitino dark matter and an upper bound on the gluino mass

2009-01-15

arxiv.org/abs/0901.2168v2

Phys.Lett.B677:59-61,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 3 figures. v2: references added

Scientific paper

10.1016/j.physletb.2009.04.070

We show that, if decaying gravitino dark matter is responsible for the PAMELA
and ATIC/PPB-BETS anomalies in the cosmic-ray electron and positron fluxes,
both a reheating temperature and a gluino mass are constrained from above. In
particular, the gluino mass is likely within the reach of LHC, if the observed
baryon asymmetry is explained by thermal leptogenesis scenario.

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