Antimatter from supersymmetric dark matter

Details Antimatter from supersymmetric dark matter Antimatter from supersymmetric dark matter

2000-06-16

arxiv.org/abs/hep-ph/0006188v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 8 figures, Talk presented at the 4th International Symposium On Sources And Detection Of Dark Matter In The Universe

Scientific paper

We propose low-energy antideuterons in cosmic rays as a new possible signature for indirect detection of supersymmetric dark matter. Since the energy spectrum of the antiproton secondary component is still spoilt by considerable theoretical uncertainties, looking for low-energy antideuterons seems a plausible alternative. We apply our calculation to the AMS experiment, when mounted on the International Spatial Station. If a few low-energy antideuterons will be discovered by AMS, this should be seriously taken as a clue for the existence of relic, massive neutralinos in the dark halo of our Galaxy.

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