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Decaying Dark Matter Baryons in a Composite Messenger Model

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abstract

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.

fields

hep-ph 1

years

2026 1

verdicts

UNVERDICTED 1

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