Journal
PHYSICS LETTERS B
Volume 674, Issue 4-5, Pages 299-302Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2009.03.025
Keywords
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Funding
- World Premier International Center Initiative (WPI Program), MEXT, Japan
- JSPS Research Fellowships for Young Scientists
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A baryonic bound state with a mass of O(100) TeV, which is composed of strongly interacting messenger quarks in the low scale gauge mediation, can naturally be the cold dark matter. Interestingly, we find that such a baryonic dark matter is generically metastable, and the decay of this dark matter can naturally explain the anomalous positron flux recently observed by the PAMELA Collaboration. (C) 2009 Elsevier B.V. All rights reserved.
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