Search for heavy neutrinos in \(\pi ^{ + } \to \mu ^{ + }\nu \) decay and status of lepton universality test in the PIENU experiment

In the present work of the PIENU experiment, heavy neutrinos were sought in pion decays \(\pi ^{ + } \to \mu ^{ + }\nu \). No evidence for extra peak was found in the muon kinetic energy spectrum and 90% confidence level upper limits were set on the neutrino mixing matrix \(|U_{\mu i}|^{2}\) in the...

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Detalles Bibliográficos
Autores principales: Ito, S, Aguilar-Arevalo, A, Aoki, M, Blecher, M, Britton, D I, vom Bruch, D, Bryman, D A, Chen, S, Comfort, J, Doria, L, Cuen-Rochin, S, Gumplinger, P, Hussein, A, Igarashi, Y, Kettell, S H, Kurchaninov, L, Littenberg, L S, Malbrunot, C, Mischke, R E, Numao, T, Protopopescu, D, Sher, A, Sullivan, T, Vavilov, D
Lenguaje:eng
Publicado: 2021
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.7566/JPSCP.33.011131
http://cds.cern.ch/record/2824398

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