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- Title
Search for heavy neutrino in K+→μ+νH decay.
- Authors
Sadovsky, A. S.; Kurshetsov, V. F.; Filin, A. P.; Akimenko, S. A.; Artamonov, A. V.; Blik, A. M.; Brekhovskikh, V. V.; Burtovoy, V. S.; Bychkov, V. N.; Donskov, S. V.; Duk, V. A.; Filippov, S. N.; Gorin, A. M.; Gushchin, E. N.; Inyakin, A. V.; Kekelidze, G. D.; Khaustov, G. V.; Kholodenko, S. A.; Khudyakov, A. A.; Kolosov, V. N.
- Abstract
A high statistics data sample of the K+→μ+νμ<inline-graphic></inline-graphic> decay was accumulated by the OKA experiment in 2012. The missing mass analysis was performed to search for the decay channel K+→μ+νH<inline-graphic></inline-graphic> with a hypothetic stable heavy neutrino in the final state. The obtained missing mass spectrum does not show peaks that could be attributed to existence of stable heavy neutrinos in the mass range (270<mνH<375)<inline-graphic></inline-graphic> MeV/c2<inline-graphic></inline-graphic>. As a result, upper limits on the branching ratio and on the value of the mixing element |UμH|2<inline-graphic></inline-graphic> are obtained.
- Subjects
HIGGS bosons; PARTICLE decays; MUONIC neutrino; OSCILLATIONS; HADRON beams; PROTON synchrotrons
- Publication
European Physical Journal C -- Particles & Fields, 2018, Vol 78, Issue 2, p0
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-018-5566-x