Heavy neutrino searches and NA62 status

2018/08/02 by Nicolas Lurkin, Lurkin, Nicolas
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #hep-ex

paper · pdf · doi:10.48550/arxiv.1808.00827

8 pages, 7 figures, Talk given at 52nd Rencontres de Moriond (EW session), La Thuile, 18-25 March 2017

arxiv created 2018/08/04 · arxiv updated 2018/08/07

Abstract

The NA62 experiment at CERN SPS recorded in 2007 a large sample of K⁺→μ⁺ν_μ decays. A peak search in the missing mass spectrum of this decay is performed. In the absence of observed signal, the limits obtained on B(K⁺→μ⁺ν_h) and on the mixing matrix element |U_μ4|² are reported. The upgraded NA62 experiment started data taking in 2015, with the aim of measuring the branching fraction of the K+→π⁺νν decay. An update on the status of the experiment is presented.

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