Search for the rare decay K+ →μ+ν ν ν SEARCH for the RARE DECAY ... A. V. ARTAMONOV et al.

(E949 Collaboration)

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10 Citations (Scopus)

Abstract

Evidence of the K+→μ+ννν decay was searched for using E949 (Brookhaven National Laboratory, USA) experimental data with an exposure of 1.70×1012 stopped kaons. The data sample is dominated by the background process K+→μ+νμγ. An upper limit on the decay rate Γ(K+→μ+ννν)<2.4×10-6Γ(K+→all) at 90% confidence level was set assuming the standard model muon spectrum. The data are presented in such a way as to allow calculation of rates for any assumed μ+ spectrum.

Original languageEnglish
Article number032012
JournalPhysical Review D
Volume94
Issue number3
DOIs
Publication statusPublished - Aug 31 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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