Cosmic Ray Signatures from Decaying Gravitino Dark Matter

Details Cosmic Ray Signatures from Decaying Gravitino Dark Matter Cosmic Ray Signatures from Decaying Gravitino Dark Matter

2009-11-18

arxiv.org/abs/0911.3571v1

PoS EPS-HEP2009 2009:098,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of EPS-HEP 2009, Krakow, Poland

Scientific paper

We study the charged cosmic rays arising from the slow decay of gravitino dark matter within supersymmetric scenarios with trilinear R-parity violation. It is shown that operators of the LLE type can very well account for the recent anomalies in cosmic ray electron and positron data reported by PAMELA, ATIC and Fermi LAT, without violating any other bounds. This scenario will soon be tested by the Fermi LAT data on diffuse gamma ray emission.

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