Dark matter interpretations of the cosmic-ray $e^\pm$ excesses

A. Strumia

Dipertimento di Fisica, Universitá di Pisa, Pisa, Italy

Abstract: The cosmic-ray excess observed by PAMELA in the positron fraction and by FERMI and HESS in $e^-{+}e^+$ can be interpreted in terms of dark matter annihilations or decays. We summarize the main possibilities and their possible tests.

Keywords: cosmic ray, dark matter, positron.

Received: 12.02.2012

DOI: 10.4213/tmf6763

 English version: Theoretical and Mathematical Physics, 2012, 170:2, 203–210

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