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Michal Zamkovsky (CERN) “New result on K+→π+vv ̅ from the NA62 experiment”

January 23, 2020 @ 4:00 pm - 5:00 pm


The decay K+→π+vv ̅, with a very precisely predicted branching ratio of less than 10exp(-10), is one of the best candidates to reveal indirect effects of new physics at the highest mass scales. The NA62 experiment at the CERN SPS is designed to measure the branching ratio of the K+→π+vv ̅ with a decay-in-flight technique. NA62 took data so far in 2016-2018. Statistics collected in 2016 allowed NA62 to reach the Standard Model sensitivity for K+→π+vv ̅, entering the domain of 10-10 single event sensitivity and showing the proof of principle of the experiment. Thanks to the statistics collected in 2017, NA62 surpasses the present best sensitivity. The analysis strategy is reviewed and the preliminary result from the 2017 data set is presented.



January 23, 2020
4:00 pm - 5:00 pm


50A-5132 (Sessler Conference Room)
50A-5132 + Google Map