Majorana Neutrinos as the Dark Matters in the Cold Plus Hot Dark Matter Model

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dc.contributor.authorOkada, Nobuchika
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2019-06-05T13:10:50Z
dc.date.available2019-06-05T13:10:50Z
dc.date.issued1996-07-11
dc.description.abstractA simple model of the Majorana neutrino with the see-saw mechanism is studied, assuming that two light neutrinos are the hot dark matter each with a mass of 2.4 eV in the cold plus hot dark matter model of cosmology. We find that the heavy neutrino, which is the see-saw partner with the remaining one light neutrino, can be the cold dark matter, if the light neutrino is exactly massless. This cold dark matter neutrino is allowed to have a mass in the wide range from 5.9 × 10^2 eV to 2.2 × 10^7 eV.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationKitazawa, N., Okada, N, Sasaki, S. (1996):Majorana Neutrinos as the Dark Matters in the Cold Plus Hot Dark Matter Model. Physics Letters B, 380(3-4). DOI: https://doi.org/10.1016/0370-2693(96)00530-8
dc.identifier.doi10.1016/0370-2693(96)00530-8
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5677
dc.languageEnglish
dc.language.isoen_US
dc.titleMajorana Neutrinos as the Dark Matters in the Cold Plus Hot Dark Matter Modelen_US
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