Searches for lepton flavour and lepton number violation in K$^+$ decays

Proceedings of The 21st international workshop on neutrinos from accelerators — PoS(NuFact2019) Pub Date : 2020-06-11 DOI:10.22323/1.369.0077

A. Baeva, R. Aliberti, F. Ambrosino, R. Ammendola, B. Angelucci, A. Antonelli, G. Anzivino, R. Arcidiacono, T. Bache, M. Barbanera, J. Bernhard, A. Biagioni, L. Bician, C. Biino, A. Bizzeti, T. Blažek, B. Bloch-Devaux, V. Bonaiuto, M. Boretto, M. Bragadireanu, D. Britton, F. Brizioli, M. Brunetti, D. Bryman, F. Bucci, T. Capussela, J. Carmignani, A. Ceccucci, P. Cenci, V. Cerný, C. Cerri, B. Checcucci, A. Conovaloff, P. Cooper, M. Corvino, F. Costantini, D. Coward, G. D'Agostini, J. Dainton, P. Dalpiaz, H. Danielsson, N. Doble, B. Döbrich, F. Duval, V. Duk, J. Engelfried, T. Enik, N. Estrada-Tristan, V. Falaleev, R. Fantechi, V. Fascianelli, L. Federici, S. Fedotov, A. Filippi, M. Fiorini, J. Fry, J. Fu, A. Fucci, L. Fulton, E. Gamberini, L. Gatignon, G. Georgiev, S. Ghinescu, A. Gianoli, M. Giorgi, S. Giudici, F. Gonnella, E. Goudzovski, C. Graham, R. Guida, E. Gushchin, F. Hahn, H. Heath, E. Holzer, T. Husek, O. Hutanu, D. Hutchcroft, L. Iacobuzio, E. Iacopini, E. Imbergamo, B. Jenninger, J. Jerhot, R.

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Abstract

The NA62 experiment at the CERN SPS is designed to conduct precision tests of the Standard Model by studying rare decays of charged kaons. NA62 took data in 2016-2018 and collected a large sample of charged kaon decays into final states with multiple charged particles. The sensitivity to a range of lepton flavour and lepton number violating kaon decays provided by this data set is improved over the previously reported measurements. Results from the searches of $K^+→ π^-l^+l^+$ decays with a partial NA62 data sample are presented.

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在K$^+$衰变中寻找轻子味道和轻子数违反

欧洲核子研究中心SPS的NA62实验旨在通过研究带电介子的罕见衰变来对标准模型进行精确测试。NA62收集了2016-2018年的数据，并收集了大量带电介子衰变到具有多个带电粒子的最终状态的样本。该数据集提供的对轻子风味和轻子数违反k介子衰变范围的灵敏度比先前报道的测量结果有所提高。给出了用部分NA62数据样本搜索$K^+→π^-l^+l^+$衰减的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of The 21st international workshop on neutrinos from accelerators — PoS(NuFact2019)

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