Search for Massive Neutrinos in the Decay πeν

D. A. Bryman, R. Dubois, T. Numao, B. Olaniyi, A. Olin, M. S. Dixit, J. -M. Poutissou, and J. A. Macdonald
Phys. Rev. Lett. 50, 1546 – Published 16 May 1983
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Abstract

The positron spectrum from the decay π+e+νe has been examined for evidence of peaks arising from an admixture in the νe weak eigenstate of massive neutrinos. Limits on the intensity of such peaks, together with the measured πeν branching ratio, have been used to derive constraints on the neutrino mixing parameters over the range 4 MeV<m(ν)<135 MeV.

  • Received 18 November 1982

DOI:https://doi.org/10.1103/PhysRevLett.50.1546

©1983 American Physical Society

Authors & Affiliations

D. A. Bryman, R. Dubois*, T. Numao, B. Olaniyi, and A. Olin

  • TRIUMF, Vancouver, British Columbia V6T 2A3, Canada, and University of Victoria, Vancouver, British Columbia V6T 2A3, Canada

M. S. Dixit

  • National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada

J. -M. Poutissou

  • TRIUMF, Vancouver, British Columbia V6T 2A3, Canada, and University of British Columbia, Vancouver, British Columbia V6T 2A3, Canada

J. A. Macdonald

  • TRIUMF, Vancouver, British Columbia V6T 2A3, Canada

  • *Present address: Stanford Linear Accelerator Center, Stanford, Cal. 94305.
  • Present address: University of Ife, Ile-Ife, Nigeria.

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Vol. 50, Iss. 20 — 16 May 1983

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