Decaying Hidden Gaugino as a Source of PAMELA/ATIC Anomalies

Details Decaying Hidden Gaugino as a Source of PAMELA/ATIC Anomalies Decaying Hidden Gaugino as a Source of PAMELA/ATIC Anomalies

2009-02-27

arxiv.org/abs/0902.4770v2

Phys.Lett.B675:73-76,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 1 figure.v2:a reference added

Scientific paper

10.1016/j.physletb.2009.03.059

We study a scenario that a U(1) hidden gaugino constitutes the dark matter in
the Universe and decays into a lepton and slepton pair through a mixing with a
U(1)B-L gaugino. We find that the dark-matter decay can account for the recent
PAMELA and ATIC anomalies in the cosmic-ray positrons and electrons without an
overproduction of antiprotons.

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