Doublet-Singlet Oscillations and Dark Matter Neutrinos

Show simple item record Okada, Nobuchika 2019-06-05T13:19:53Z 2019-06-05T13:19:53Z 1996-12-26 en_US
dc.identifier.citation Okada, N. ( 1996): Doublet-Singlet Oscillations and Dark Matter Neutrinos. Physics Letters B, 389 (4). DOI: en_US
dc.description.abstract We examine the "singlet majoron mode" first introduced by Chikashige, Mohapatra and Peccei as a simple extension of the standard model with massive Majorana neutrinos. We can explain both the solar and the atmospheric neutrino deficits by the oscillations between electroweak doublet and singlet neutrinos without flavor mixing. Furthermore, while some light neutrinos can be the hot dark matter, tau neutrino with mass of 8.9-24 MeV can be the cold dark matter through the interaction with the majoron. Thus, we can simultaneously explain the solar neutrino deficit, the atmospheric neutrino anomally, and the cold and hot dark matters only with the Majorana neutrinos. en_US
dc.format.mimetype application/pdf en_US
dc.language English en_US
dc.title Doublet-Singlet Oscillations and Dark Matter Neutrinos en_US
dc.type text en_US

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