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PAMELA, DAMA, INTEGRAL and signatures of metastable excited WIMPs

Finkbeiner, Douglas P.; Slatyer, Tracy R.; Weiner, Neal +1 more

Models of dark matter with ~ GeV scale force mediators provide attractive explanations of many high energy anomalies, including PAMELA, ATIC, and the WMAP haze. At the same time, by exploiting the ~ MeV scale excited states that are automatically present in such theories, these models naturally explain the DAMA/LIBRA and INTEGRAL signals through t…