The NA62 experiment recorded a large sample of decays in 2007. A peak search has been performed in the reconstructed missing mass spectrum. In the absence of a signal, limits in the range to have been set on the squared mixing matrix element between muon and heavy neutrino states, for heavy neutrino masses in the range 300–375 MeV/. The result extends the range of masses for which upper limits have been set on the value of in previous production search experiments.

Search for heavy neutrinos in K+ --> mu+ nu decays / Lazzeroni, C., Lurkin, N., Newson, F., Romano, A., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P.L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., Molokanova, N., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 772:(2017), pp. 712-718. [10.1016/j.physletb.2017.07.055]

Search for heavy neutrinos in K+ --> mu+ nu decays

Ambrosino, F.;Di Filippo, D.;Massarotti, P.;Napolitano, M.;Palladino, V.;Saracino, G.;
2017

Abstract

The NA62 experiment recorded a large sample of decays in 2007. A peak search has been performed in the reconstructed missing mass spectrum. In the absence of a signal, limits in the range to have been set on the squared mixing matrix element between muon and heavy neutrino states, for heavy neutrino masses in the range 300–375 MeV/. The result extends the range of masses for which upper limits have been set on the value of in previous production search experiments.
2017
Search for heavy neutrinos in K+ --> mu+ nu decays / Lazzeroni, C., Lurkin, N., Newson, F., Romano, A., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P.L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., Molokanova, N., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 772:(2017), pp. 712-718. [10.1016/j.physletb.2017.07.055]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/702580
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