Deep Correlation Between Cosmic-Ray Anomaly and Neutrino Masses

Details Deep Correlation Between Cosmic-Ray Anomaly and Neutrino Masses Deep Correlation Between Cosmic-Ray Anomaly and Neutrino Masses

2010-06-09

arxiv.org/abs/1006.1688v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages

Scientific paper

The positron anomaly recently reported by the cosmic-ray measurements suggests that, if explained by the decay of dark matter particle, the decay source is closely linked up with the leptonic sector of the standard model. It is observed that, with a simple dimensional analysis, the lifetime of dark matter for the anomaly is expressed by the energy scale of neutrino masses. We present two scenarios in which these two matter at issue (the dark matter width and the tiny neutrino masses) stem from a single operator involving a gauge-singlet scalar field.

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