Probing the Origins of Neutrino Mass with Supernova Data
Journal Article
·
· Physical Review Letters
- Department of Physics, University of Wisconsin, Madison, Wisconsin 53706 (United States)
We study type II supernova signatures of neutrino mass generation via symmetry breaking at a scale in the range from keV to MeV. The scalar responsible for symmetry breaking is thermalized in the supernova core and restores the symmetry. The neutrinos from scalar decays have about half the average energy of thermal neutrinos. The Bose-Einstein distribution of the scalars can be established with a megaton water Cerenkov detector. The discovery of the bimodal neutrino flux is, however, well within the reach of the Super-Kamiokande detector, without a detailed knowledge of the supernova parameters.
- OSTI ID:
- 20699528
- Journal Information:
- Physical Review Letters, Vol. 95, Issue 19; Other Information: DOI: 10.1103/PhysRevLett.95.191302; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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