The NA62 experiment at CERN SPS recorded in 2007 a large sample of K → K+→μ+νμ 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+νh) and on the mixing matrix element |Uμ4|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.

Heavy neutrino searches and NA62 status / Lurkin, N., Aglieri Rinella, G., Aliberti, R., Ambrosino, F., Ammendola, R., Angelucci, B., Antonelli, A., Anzivino, G., Arcidiacono, R., Azhinenko, I., Balev, S., Barbanera, M., Bendotti, J., Biagioni, A., Bician, L., Biino, C., Bizzeti, A., Blazek, T., Blik, A., Bloch-Devaux, B., et al.. - (2017), pp. 171-178. (52nd Rencontres de Moriond on Electroweak Interactions and Unified Theories, EW 2017 Aosta Valley, ita 2017).

Heavy neutrino searches and NA62 status

Bizzeti A.;
2017

Abstract

The NA62 experiment at CERN SPS recorded in 2007 a large sample of K → K+→μ+νμ 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+νh) and on the mixing matrix element |Uμ4|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.
2017
52nd Rencontres de Moriond on Electroweak Interactions and Unified Theories, EW 2017
Aosta Valley, ita
2017
171
178
Lurkin, N.; Aglieri Rinella, G.; Aliberti, R.; Ambrosino, F.; Ammendola, R.; Angelucci, B.; Antonelli, A.; Anzivino, G.; Arcidiacono, R.; Azhinenko, I...espandi
Heavy neutrino searches and NA62 status / Lurkin, N., Aglieri Rinella, G., Aliberti, R., Ambrosino, F., Ammendola, R., Angelucci, B., Antonelli, A., Anzivino, G., Arcidiacono, R., Azhinenko, I., Balev, S., Barbanera, M., Bendotti, J., Biagioni, A., Bician, L., Biino, C., Bizzeti, A., Blazek, T., Blik, A., Bloch-Devaux, B., et al.. - (2017), pp. 171-178. (52nd Rencontres de Moriond on Electroweak Interactions and Unified Theories, EW 2017 Aosta Valley, ita 2017).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1222665
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