PAMELA and ATIC Anomalies in Decaying Gravitino Dark Matter Scenario

Details PAMELA and ATIC Anomalies in Decaying Gravitino Dark Matter Scenario PAMELA and ATIC Anomalies in Decaying Gravitino Dark Matter Scenario

2009-03-18

arxiv.org/abs/0903.3125v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Prepared for the proceedings of Dark 2009:Seventh International Heidelberg Conference on Dark Matter in Astro and Particle Phy

Scientific paper

Motivated by the recent results from the PAMELA and ATIC, we study the cosmic-ray electron and positron produced by the decay of gravitino dark matter. We calculate the cosmic-ray electron and positron fluxes and discuss implications to the PAMELA and ATIC data. In this paper, we will show that the observed anomalous fluxes by the PAMELA and ATIC can be explained in such a scenario. We will also discuss the synchrotron radiation flux from the Galactic center in such a scenario.

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