Cosmic-ray Electron and Positron Excesses from Hidden Gaugino Dark Matter

Details Cosmic-ray Electron and Positron Excesses from Hidden Gaugino Dark Matter Cosmic-ray Electron and Positron Excesses from Hidden Gaugino Dark Matter

2009-05-20

arxiv.org/abs/0905.3235v1

Prog.Theor.Phys.122:1277-1284,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures

Scientific paper

10.1143/PTP.122.1277

We study a scenario that a hidden gaugino dark matter decays into the standard-model particles (and their supersymmetric partners) through a kinetic mixing with the gaugino of a U(1)B-L broken at a scale close to the grand unification scale. We show that decay of the hidden gaugino can explain excesses in the cosmic-ray electrons and positrons observed by PAMELA and Fermi.

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