Search for heavy neutrinos in K+μ+νH decays

A. V. Artamonov et al. (E949 Collaboration)
Phys. Rev. D 91, 052001 – Published 2 March 2015; Erratum Phys. Rev. D 91, 059903 (2015)

Abstract

Evidence of a heavy neutrino, νH, in the K+μ+νH decays was sought using the E949 experimental data with an exposure of 1.70×1012 stopped kaons. With the major background from the radiative K+μ+νμγ decay understood and suppressed, upper limits (90% C.L.) on the neutrino mixing matrix element between the muon and heavy neutrinos, |UμH|2, were set at the level of 107 to 109 for the heavy neutrino mass region 175 to 300MeV/c2.

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  • Received 14 November 2014
  • Corrected 6 March 2015

DOI:https://doi.org/10.1103/PhysRevD.91.052001

© 2015 American Physical Society

Corrections

6 March 2015

Erratum

Publisher’s Note: Search for heavy neutrinos in K+μ+νH decays [Phys. Rev. D 91, 052001 (2015)]

A. V. Artamonov et al. (E949 Collaboration)
Phys. Rev. D 91, 059903 (2015)

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Vol. 91, Iss. 5 — 1 March 2015

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