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Title:		Cosmological limits on the masses of neutral leptons
Authors:		VYSOTSKII, M. I.; DOLGOV, A. D.; ZELDOVICH, IA. B.
Affiliation:		AC(Akademiia Nauk SSSR, Institut Prikladnoi Matematiki, Moscow, USSR)
Journal:		(ZHETF Pis'ma v Redaktsiiu, vol. 26, Aug. 5, 1977, p. 200-202.) JETP Letters, vol. 26, Aug. 5, 1977, p. 188-190. Translation.
Publication Date:		08/1977
Category:		Astrophysics
Origin:		STI
NASA/STI Keywords:		BIG BANG COSMOLOGY, CHARGED PARTICLES, LEPTONS, PARTICLE MASS, ANNIHILATION REACTIONS, NEUTRAL PARTICLES, NEUTRINOS, PARTICLE INTERACTIONS
Bibliographic Code:		1977ZhPmR..26..200V

Abstract

Limits obtained for a stable neutral lepton forbid the existence of weakly interacting particles in the mass interval of greater than 2.5 GeV and less than 30 GeV. Decay paths for unstable new neutral leptons are presented, with attention to electronic or muonic leptons

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