Limits on the muon and tau neutrino masses from SN1987A

J. A. Grifols; E. Massó

doi:https://doi.org/10.1016/0370-2693(90)91597-5

Limits on the muon and tau neutrino masses from SN1987A

J. A. Grifols, E. Massó

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

51 Citations (Scopus)

Abstract

When neutrinos have a Dirac mass, the right-handed partner can be emitted from the supernova. We calculate the emission rate due to all the important production mechanisms, and use SN1987A data to constrain the neutrino mass. We obtain that m(νμ ≤ 14 keV and that either m(ντ) ≥ 34 MeV or m(ντ) ≤ 14 keV. These limits are reliable within a factor of 3. © 1990.

Original language	English
Pages (from-to)	77-80
Journal	Physics Letters B
Volume	242
DOIs	https://doi.org/10.1016/0370-2693(90)91597-5
Publication status	Published - 31 May 1990

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Grifols, J. A., & Massó, E. (1990). Limits on the muon and tau neutrino masses from SN1987A. Physics Letters B, 242, 77-80. https://doi.org/10.1016/0370-2693(90)91597-5

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abstract = "When neutrinos have a Dirac mass, the right-handed partner can be emitted from the supernova. We calculate the emission rate due to all the important production mechanisms, and use SN1987A data to constrain the neutrino mass. We obtain that m(νμ ≤ 14 keV and that either m(ντ) ≥ 34 MeV or m(ντ) ≤ 14 keV. These limits are reliable within a factor of 3. {\textcopyright} 1990.",

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AB - When neutrinos have a Dirac mass, the right-handed partner can be emitted from the supernova. We calculate the emission rate due to all the important production mechanisms, and use SN1987A data to constrain the neutrino mass. We obtain that m(νμ ≤ 14 keV and that either m(ντ) ≥ 34 MeV or m(ντ) ≤ 14 keV. These limits are reliable within a factor of 3. © 1990.

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