Cosmic-Ray Positron from Superparticle Dark Matter and the PAMELA Anomaly
arXiv:0811.0250 · doi:10.1016/j.physletb.2009.04.049
Abstract
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.
4 pages, 4 figures