Search for the rare decay $K^+\to\mu^+\nu\bar\nu\nu$

Artamonov, A. V.

doi:10.1103/PhysRevD.94.032012

Title: Search for the rare decay $$K^+\to\mu^+\nu\bar\nu\nu$$

Journal Article · Wed Aug 31 00:00:00 EDT 2016 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.94.032012· OSTI ID:1327020

Artamonov, A. V. ^[1]

et al.

We searched for evidence of the K⁺→μ⁺ $$v\bar{ν}v$$ decay 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⁺ν_μγ. An upper limit on the decay rate Γ(K⁺→μ⁺ $$v\bar{ν}v$$) <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.

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Research Organization:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: E949 Collaboration

Grant/Contract Number:: AC02-07CH11359; SC0012704

OSTI ID:: 1327020

Alternate ID(s):: OSTI ID: 1313259; OSTI ID: 1344235

Report Number(s):: arXiv:1606.09054; FERMILAB-PUB-16-364-CD; BNL-113548-2017-JA; 1473765

Journal Information:: Physical Review D, Vol. 94, Issue 3; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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References (6)

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Study of the decay $K^{+} \to π^{+} ν \bar{ν}$ in the momentum region $140 < P_{π} < 199 MeV / c$ Artamonov, A. V.; Bassalleck, B.; Bhuyan, B. Physical Review D, Vol. 79, Issue 9 https://doi.org/10.1103/PhysRevD.79.092004	journal	May 2009
Measurement of the $K^{+} \to π^{+} ν \bar{ν}$ branching ratio Adler, S.; Anisimovsky, V. V.; Aoki, M. Physical Review D, Vol. 77, Issue 5 https://doi.org/10.1103/PhysRevD.77.052003	journal	March 2008
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Search for heavy neutrinos in $K^{+} \to μ^{+} ν_{H}$ decays Artamonov, A. V.; Bassalleck, B.; Bhuyan, B. Physical Review D, Vol. 91, Issue 5 https://doi.org/10.1103/PhysRevD.91.052001	journal	March 2015

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