TY - JOUR
T1 - Search for K+ decays to a lepton and invisible particles
AU - The NA62 Collaboration
AU - Lurkin, Nicolas
AU - Akmete, A.
AU - Aliberti, R.
AU - Ambrosino, F.
AU - Ammendola, R.
AU - An-Gelucci, B.
AU - Antonelli, A.
AU - Anzivino, G.
AU - Arcidiacono, R.
AU - Bache, T.
AU - Baeva, A.
AU - Baigarashev, D.
AU - Bandiera, L.
AU - Barbanera, M.
AU - Bernhard, J.
AU - Biagioni, A.
AU - Bician, L.
AU - Biino, C.
AU - Bizzeti, A.
AU - Blazek, T.
AU - Bloch-Devaux, B.
AU - Boboc, P.
AU - Bonaiuto, V.
AU - Boretto, M.
AU - Bragadireanu, M.
AU - Briano Olvera, A.
AU - Britton, D.
AU - Brizioli, F.
AU - Brunetti, M. B.
AU - Bryman, D.
AU - Bucci, F.
AU - Capussela, T.
AU - Carmignani, J.
AU - Ceccucci, A.
AU - Cenci, P.
AU - Cerny, V.
AU - Cerri, C.
AU - Checcucci, B.
AU - Conovaloff, A.
AU - Cooper, P.
AU - Cortina Gil, E.
AU - Corvino, M.
AU - Costantini, F.
AU - Cotta Ramusino, A.
AU - Coward, D.
AU - Cretaro, P.
AU - D'Agostini, G.
AU - Dainton, J.
AU - Dalpiaz, P.
AU - Maurice, E.
N1 - Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons
PY - 2022/3/31
Y1 - 2022/3/31
N2 - Searches for heavy neutral leptons N in the K+ → e+N and K+ → μ+N decay channels using the dataset collected by the NA62 experiment at CERN between 2016-2018 are presented. Upper limits on the corresponding mixing matrix elements are reported at the level of O(10−9) and O(10−8), respectively. This represents an improvement of at least an order of magnitude on previous measurement, as well as an extension to higher masses than previously covered. Related searches set upper limits on the rate of the K+ → μ+νν(Equation presented) and K+ → μ+νX decay channels, with X an invisible scalar or vector boson.
AB - Searches for heavy neutral leptons N in the K+ → e+N and K+ → μ+N decay channels using the dataset collected by the NA62 experiment at CERN between 2016-2018 are presented. Upper limits on the corresponding mixing matrix elements are reported at the level of O(10−9) and O(10−8), respectively. This represents an improvement of at least an order of magnitude on previous measurement, as well as an extension to higher masses than previously covered. Related searches set upper limits on the rate of the K+ → μ+νν(Equation presented) and K+ → μ+νX decay channels, with X an invisible scalar or vector boson.
UR - https://www.scopus.com/pages/publications/85128983073
M3 - Conference article
AN - SCOPUS:85128983073
SN - 1824-8039
VL - 402
JO - Proceedings of Science
JF - Proceedings of Science
M1 - 157
T2 - 22nd International Workshop on Neutrinos from Accelerators, NuFact 2021
Y2 - 6 September 2021 through 11 September 2021
ER -