Chronology of Milestone Events in Particle Physics - GERSHTEIN 1966
Chronology of Milestone Events in Particle Physics

GERSHTEIN 1966

Gershtein, S.S.; Zeldovich, Y.B.;
Rest Mass of Muonic Neutrino and Cosmology
Pisma Zh. Eksp. Teor. Fiz. 4 (1966) 174;

Reprinted in
(translation into English) Unity of Forces in the Universe, A. Zee, v.II World Scientific, (1982) 748.

Motivation
Low-accuracy experimental estimates of the rest mass of the neutrino (A. H. Rosenfeld et al., Rev. Mod. Phys. 37 (1965) 633) yield m(e) < 200 eV/c2 for the electronic neutrino and m() < 2.5 x 106 eV/c2 for the muonic neutrino.
Cosmological considerations connected with the hot model of the Universe make it possible to strengthen greatly the second inequality. (Extracted from the introductory part of the paper.).

Related references
See also
G. Gamow, Vistas in Astronomy 2 (1956) 1726;
G. Gamow, Phys. Rev. 70 (1946) 572;
G. Gamow, Phys. Rev. 74 (1948) 505;
P. J. E. Peebles, Phys. Rev. Lett. 16 (1966) 410;
Y. B. Zeldovich, Usp. Fiz. Nauk 89 (1966) 647;
Y. B. Zeldovich, Y. A. Smorodinskii, Zh. Eksp. Teor. Fiz. 41 (1961) 907;
A. A. Penzias and R. W. Wilson, Astr. Jour. 142 (1965) 419;
R. Dicke et al., Astr. Jour. 142 (1965) 414;

Particles studied
  mass
  mass

Record comments
First cosmological upper bound on the stable neutrino masses sum.
    
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