A search for the decay, forbidden within the Standard Model by either lepton number or lepton flavour conservation depending on the flavour of the emitted neutrino, has been performed using the dataset collected by the NA62 experiment at CERN in 2016–2018. An upper limit of is obtained for the decay branching fraction at 90% CL, improving by a factor of 250 over the previous search.

A search for the K+ → μ−νe+e+ decay

Piandani R.;Barbanera M.;Costantini F.;Giudici S.;Lamanna G.;Pedreschi E.;Sozzi M.;Spinella F.;Pinzino J.;Angelucci B.;Ruggiero G.;
2023-01-01

Abstract

A search for the decay, forbidden within the Standard Model by either lepton number or lepton flavour conservation depending on the flavour of the emitted neutrino, has been performed using the dataset collected by the NA62 experiment at CERN in 2016–2018. An upper limit of is obtained for the decay branching fraction at 90% CL, improving by a factor of 250 over the previous search.
2023
Cortina Gil, E.; Kleimenova, A.; Minucci, E.; Padolski, S.; Petrov, P.; Shaikhiev, A.; Volpe, R.; Numao, T.; Petrov, Y.; Velghe, B.; Wong, V. W. S.; B...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/1185867
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