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Decaying dark matter baryons in a composite messenger model
2009
Physics Letters B
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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.
doi:10.1016/j.physletb.2009.03.025
fatcat:iakzelnpwver5p2pmix42jeb7i