Double-action dark matter, PAMELA and ATIC

Details Double-action dark matter, PAMELA and ATIC Double-action dark matter, PAMELA and ATIC

2009-02-23

arxiv.org/abs/0902.4035v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex 18 pages, 4 figures; version 2: references corrected, an estimate modified; version 3, a new figure on annihilation, mo

Scientific paper

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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