| Thesis | |
| Report number | CERN-THESIS-2019-451 |
| Title | Study of the extremely rare decay $K^+ \to \pi^+ \nu \bar\nu$ with the NA62 experiment at CERN |
| Author(s) | Zamkovsky, Michal (Charles U.) |
| Publication | 142. |
| Thesis note | PhD : Charles U. : 2019 |
| Thesis supervisor(s) | Kampf, Karol |
| Note | Presented 12 Feb 2020 |
| Subject category | Particle Physics - Experiment |
| Accelerator/Facility, Experiment | CERN SPS ; NA62 |
| Abstract | The decay $K^+ \to \pi^+ \nu \bar\nu$ has one of the most precisely predicted branching ratio at the level of $10^{−10}$. It is forbidden at the tree level, which makes it sensitive to the effects of new physics. The NA62 experiment at the CERN SPS aims to measure the branching ratio of the $K^+ \to \pi^+ \nu \bar\nu$ using a unique decay-in-flight technique. NA62 took data so far in 2016-2018. The statistics acquired in 2016 allowed to reach Standard Model sensitivity for $K^+ \to \pi^+ \nu \bar\nu$. Owing to the statistics collected in 2017, NA62 surpasses the present best sensitivity. In he scope of this thesis, the preliminary result obtained from 2017 data sample is reported. |
Email contact: brigitte.bloch-devaux@cern.ch
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