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arxiv: 0902.4035 · v3 · pith:AKXKIYNMnew · submitted 2009-02-23 · ✦ hep-ph · astro-ph.HE

Double-action dark matter, PAMELA and ATIC

classification ✦ hep-ph astro-ph.HE
keywords darkmatteraticdataanalysisdouble-actionmodelpamela
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Motivated by a two-bump (or 1-peak plus 1-hump) structure in the ATIC data, we perform a statistical analysis fitting the PAMELA and ATIC data to a dark matter model, in which the dark matter particle can undergo both annihilation and decay. Using a chi-square analysis we show that both data can be simultaneously fitted better with such a double-action dark matter particle. We use an existing neutrino mass model in literature to illustrate the idea.

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