Cosmic Ray Positron and Electron Excess from Hidden-Fermion Dark Matter Decays

preprint2009arXivOpen access

Abstract

The anomalies observed in recent cosmic ray experiments seem to strongly constrain the nature of the dark matter. In this letter, we investigate a possibility of the fermionic dark matter with a minimal extension of the standard model. We found that the dark matter decays caused by the dimension six operators can naturally explain the anomalies.

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