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arXiv.org e-Print Archive
Preprint . 2011
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https://dx.doi.org/10.48550/ar...
Article . 2011
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Neutrinos as Hot or Warm Dark Matter

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Jan 2011Embargo end date: 01 Jan 2011Publisher:arXiv
Authors: Zhi-zhong Xing; Y.F. Li;

doi: 10.48550/arxiv.1110.2293 , 10.5506/aphyspolb.42.2193

arXiv: http://arxiv.org/abs/1110.2293

Neutrinos as Hot or Warm Dark Matter

Abstract

Both active and sterile sub-eV neutrinos can serve for hot dark matter (DM). On the other hand, keV sterile neutrinos could be a good candidate for warm DM. The beta-decaying (e.g., H-3 and Ru-106) and EC-decaying (e.g., Ho-163) nuclei are considered as the most promising targets to capture those extremely low energy neutrinos and antineutrinos, respectively. We calculate the capture rates of relic electron neutrinos and antineutrinos against the corresponding beta-decay or EC-decay backgrounds in different flavor mixing schemes. We stress that such direct laboratory measurements of hot or warm DM might not be hopeless in the long term.

10 pages, 5 figures, references updated, published in Acta Phys. Polon. B 42, 2193 (2011)

Keywords

High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, Astrophysics - Cosmology and Nongalactic Astrophysics

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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