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COSMOLOGICAL AND EXPERIMENTAL CONSTRAINTS ON THE TAU-NEUTRINO

Abstract:
Recent experimental results, together with a cosmological argument concerning the survival of primordially synthesized deuterium, exclude an unstable tau neutrino heavier than ≈ MeV. The cosmological bound on stable neutrinos then restricts it further to be lighter than ≈ 100 eV, in the absence of any available fast decay mode. These constraints are also relevant to other heavy neutrinos and unstable supersymmetric particles. © 1984.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
PHYSICS LETTERS B
Volume:
148
Issue:
4-5
Pages:
347-354
Publication date:
1984-01-01
DOI:
ISSN:
0370-2693
URN:
uuid:1a4d9a4d-3e2f-4b17-a69a-a9c7ee5a8925
Source identifiers:
14089
Local pid:
pubs:14089
Language:
English

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