Searches for lepton flavour/number violation in $K^{+}$ and $\pi^{0}$ decays at the NA62 experiment



Swallow, Joel
(2022) Searches for lepton flavour/number violation in $K^{+}$ and $\pi^{0}$ decays at the NA62 experiment. In: The 22nd International Workshop on Neutrinos from Accelerators, 2021-9-6 - ?.

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Abstract

Searches for the lepton number violating K+ → π−μ+e+ decay and lepton flavour violating decays K+ → π+μ−e+ and π0 → μ−e+ are reported, using NA62 data collected in 2017 and 2018. In the absence of a significant excess above the background in each channel, upper limits on the branching ratios are established at 90% confidence level: B(K+ → π−μ+e+) < 4.2 × 10−11, B(K+ → π+μ−e+) < 6.6 × 10−11, and B(π0 → μ−e+) < 3.2 × 10−10

Item Type: Conference or Workshop Item (Unspecified)
Depositing User: Symplectic Admin
Date Deposited: 14 Oct 2022 12:15
Last Modified: 17 Mar 2024 13:57
DOI: 10.22323/1.402.0130
Open Access URL: https://pos.sissa.it/398/525/
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3165486