Journal
PHYSICS LETTERS B
Volume 675, Issue 5, Pages 446-449Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2009.04.049
Keywords
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Funding
- Ministry of Education, Science, Sports, and Culture of Japan [19540255]
- Grants-in-Aid for Scientific Research [19540255] Funding Source: KAKEN
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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. (C) 2009 Elsevier B.V. All rights reserved.
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