Neutral and Millicharged Dark Matter Decay into Gamma-Ray Lines
classification
✦ hep-ph
keywords
darkmatterdecaygamma-raylinemillichargedneutralcomparison
read the original abstract
A gamma-ray line observation would be a strong hint towards the detection of dark matter. The possibility that a decay of the dark matter particle is responsible for the emission of a line is investigated, for both a neutral and a millicharged dark matter. We focus here on a comparison of these two scenarios, based on an effective field theory description and relying on cosmic ray continuum constraints.
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