Searches for lepton number violating K+ decays<bold> </bold>

Gil, E Cortina, Kleimenova, A, Minucci, E, Padolski, S, Petrov, R, Shaikhiev, A, Volpe, R, Numao, T, Petrov, Y, Velghe, B
et al (show 189 more authors) (2019) Searches for lepton number violating K+ decays<bold> </bold>. PHYSICS LETTERS B, 797. p. 134794.

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The NA62 experiment at CERN reports a search for the lepton number violating decays K+ → π-e+e+ and K+ → π-μ+μ+using a data sample collected in 2017. No signals are observed, and upper limits on the branching fractions of these decays of 2.2 ×10-10 and 4.2 × 10-11 are obtained, respectively, at 90% confidence level. These upper limits improve on previously reported measurements by factors of 3 and 2, respectively.

Item Type: Article
Depositing User: Symplectic Admin
Date Deposited: 05 Dec 2019 17:31
Last Modified: 19 Jan 2023 00:13
DOI: 10.1016/j.physletb.2019.07.041
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