Supernova 1987a and the secret interactions of neutrinos
By using SN 1987a as a 'source' of neutrinos with energy approx.10 MeV we place limits on the couplings of neutrinos with cosmic background particles. Specifically, we find that the Majoron-electron neutrino coupling must be less than about 10/sup -3/; if neutrinos couple to a massless vector particle, its dimensionless coupling must be less than about 10/sup -3/; and if neutrinos couple with strength g to a massive boson of mass M, then g/M must be less than 12 MeV/sup -1/. 11 refs., 3 tabs.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Osservatorio Astronomico, Rome (Italy); Chicago Univ., IL (USA). Dept. of Astronomy and Astrophysics; Chicago Univ., IL (USA). Enrico Fermi Inst.
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 6067552
- Report Number(s):
- FNAL/Pub-87/110-A; ON: DE87013478; TRN: 87-030781
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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GENERAL PHYSICS
COSMIC NEUTRINOS
NEUTRINO OSCILLATION
SUPERNOVAE
PARTICLE PRODUCTION
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NEUTRINO-NEUTRINO INTERACTIONS
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IONIZING RADIATIONS
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640102* - Astrophysics & Cosmology- Stars & Quasi-Stellar
Radio & X-Ray Sources
GENERAL PHYSICS
COSMIC NEUTRINOS
NEUTRINO OSCILLATION
SUPERNOVAE
PARTICLE PRODUCTION
ELECTRON NEUTRINOS
MAJORANA THEORY
NEUTRINO-NEUTRINO INTERACTIONS
POSTULATED PARTICLES
COSMIC RADIATION
ELEMENTARY PARTICLES
ERUPTIVE VARIABLE STARS
FERMIONS
INTERACTIONS
IONIZING RADIATIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MASSLESS PARTICLES
NEUTRINOS
PARTICLE INTERACTIONS
RADIATIONS
STARS
VARIABLE STARS
640102* - Astrophysics & Cosmology- Stars & Quasi-Stellar
Radio & X-Ray Sources