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An upper limit on the neutrino rest mass.It is pointed out that the measurement of the deceleration parameter by Sandage (1972) implies an upper limit of a few tens of electron volts on the sum of the masses of all the possible light, stable particles that interact only weakly. In the discussion of the problem, it is assumed that the universe is expanding from an initially hot and condensed state as envisaged in the 'big-bang' theories.
Document ID
19720057164
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Cowsik, R.
Mcclelland, J.
(California, University Berkeley, Calif., United States)
Date Acquired
August 6, 2013
Publication Date
September 4, 1972
Publication Information
Publication: Physical Review Letters
Volume: 29
Subject Category
Physics, Atomic, Molecular, And Nuclear
Accession Number
72A40830
Funding Number(s)
CONTRACT_GRANT: NGR-05-003-376
Distribution Limits
Public
Copyright
Other

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