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Title: Dark cosmic rays

Journal Article · · Physics Letters. B

If dark matter particles have an electric charge, as in models of millicharged dark matter, such particles should be accelerated in the same astrophysical accelerators that produce ordinary cosmic rays, and their spectra should have a predictable rigidity dependence. Depending on the charge, the resulting “dark cosmic rays” can be detected as muon-like or neutrino-like events in Super-Kamiokande, IceCube, and other detectors. We present new limits and propose several new analyses, in particular, for the Super-Kamiokande experiment, which can probe a previously unexplored portion of the millicharged dark matter parameter space. Here, most of our results are fairly general and apply to a broad class of dark matter models.

Research Organization:
Univ. of California, Los Angeles, CA (United States); Univ. of California, Irvine, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0009937; SC0009920; PHY-1066293
OSTI ID:
1344430
Alternate ID(s):
OSTI ID: 1368174
Journal Information:
Physics Letters. B, Journal Name: Physics Letters. B Vol. 768 Journal Issue: C; ISSN 0370-2693
Publisher:
ElsevierCopyright Statement
Country of Publication:
Netherlands
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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