Cosmological Upper Bound on Heavy-Neutrino Lifetimes

Duane A. Dicus, Edward W. Kolb, and Vigdor L. Teplitz
Phys. Rev. Lett. 39, 168 – Published 25 July 1977; Erratum Phys. Rev. Lett. 39, 973 (1977)
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Abstract

An upper bound on the lifetime of a massive, neutral, weakly interacting lepton, νH, is derived from standard big-bang cosmology. Saturation of the bound and reasonable assumptions about the weak interaction of the νH then yield a prediction of approximately 10 MeV for its mass.

  • Received 31 May 1977

DOI:https://doi.org/10.1103/PhysRevLett.39.168

©1977 American Physical Society

Erratum

Cosmological Upper Bound on Heavy-Neutrino Lifetimes.

Duane A. Dicus, Edward W. Kolb, and Vigdor L. Teplitz
Phys. Rev. Lett. 39, 973 (1977)

Authors & Affiliations

Duane A. Dicus* and Edward W. Kolb*

  • Center for Particle Theory, University of Texas at Austin, Austin, Texas 78712

Vigdor L. Teplitz†

  • Department of Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061

  • *Work supported in part by the U. S. Energy Research and Development Administration, Contract No. E(40-1)3992.
  • †Work supported in part by the National Science Foundation.

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Vol. 39, Iss. 4 — 25 July 1977

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