Cosmic-Ray Positron from Superparticle Dark Matter and the PAMELA Anomaly

Details Cosmic-Ray Positron from Superparticle Dark Matter and the PAMELA Anomaly Cosmic-Ray Positron from Superparticle Dark Matter and the PAMELA Anomaly

2008-11-03

arxiv.org/abs/0811.0250v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures

Scientific paper

Motivated by the anomalous positron flux recently reported by the PAMELA collaboration, we study the cosmic-ray positron produced by the pair annihilation and the decay of superparticle dark matter. We calculate the cosmic-ray positron flux and discuss implications of the PAMELA data. We show that the positron excess observed by the PAMELA can be explained with some of the superparticle dark matter.

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