Antideuterons and antihelium nuclei from annihilating dark matter
نویسندگان
چکیده
منابع مشابه
Antideuterons from Dark Matter Decay
Recent observations of a large excess of cosmic-ray positrons at high energies have raised a lot of interest in leptonic decay modes of dark matter particles. Nevertheless, dark matter particles in the Milky Way halo could also decay hadronically, producing not only a flux of antiprotons but also a flux of antideuterons. We show that for certain choices of parameters the antideuteron flux from ...
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The possibility that the Galactic dark matter is composed of neutralinos that are just above half the Z mass is examined, in the context of the Galactic positron excess. In particular, we check if the anomalous bump in the cosmic ray positron to electron ratio at 10 GeV can be explained with the “decay” of virtual Z bosons produced when the neutralinos annihilate. We find that the low energy be...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2020
ISSN: 2470-0010,2470-0029
DOI: 10.1103/physrevd.102.103019