Sterile neutrino dark matter with supersymmetry
Journal Article
·
· Physical Review. D.
- University of Cincinnati, OH (United States); University of Michigan, Ann Arbor, MI (United States)
- University of Michigan, Ann Arbor, MI (United States); Deutsches-Elektronen Synchrotron (DESY), Hamburg (Germany)
Sterile neutrino dark matter, a popular alternative to the WIMP paradigm, has generally been studied in non-supersymmetric setups. If the underlying theory is supersymmetric, here we find that several interesting and novel dark matter features can arise. In particular, in scenarios of freeze-in production of sterile neutrino dark matter, its superpartner, the sterile sneutrino, can play a crucial role in early Universe cosmology as the dominant source of cold, warm, or hot dark matter, or of a subdominant relativistic population of sterile neutrinos that can contribute to the effective number of relativistic degrees of freedom Neff during big bang nucleosynthesis.
- Research Organization:
- Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); University of Cincinnati; Humboldt Foundation; National Science Foundation (NSF)
- Grant/Contract Number:
- SC0007859; SC0011719; PHY- 1066293
- OSTI ID:
- 1536344
- Alternate ID(s):
- OSTI ID: 1375548
- Report Number(s):
- MCTP-16-26
- Journal Information:
- Physical Review. D., Vol. 96, Issue 3; ISSN 2470-0010
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 15 works
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