The NA62 experiment at CERN collected the world's largest dataset of charged kaon decays in 2016.2018, leading to the first measurement of the branching ratio of the ultra-rare K+ → π+νν¯ decay, based on 20 candidates. Recent results from analyses of K+ → π0e+νγ, K+ → π+μ+μ- and K+ → π+γγ decays, using a data sample recorded in 2017-2018, are reported. Preliminary results of the first observation and analysis of the K± → π0π0μ±ν decay, based on the NA48/2 data collected in 2003-2004, are also shown.

Precision measurements with Kaon decays at CERN

Baldini W.;Bandiera L.;Barbanera M.;Cenci P.;Clemencic M.;Cortina Gil E.;Cotta Ramusino A.;D'Agostini G.;Dalpiaz P.;D'Errico M.;Di Lella L.;Fry J.;Georgiev G.;Gianoli A.;Giordano R.;Iacopini E.;Lanfranchi G.;Latino G.;Mazzolari A.;Menichetti E.;Neri I.;Norton A.;Pepe M.;Romagnoni M.;Ruggiero G.;Santoni C.;Savrie M.;Soldani M.;Sytov A.;Turisini M.;Valente P.;Veltri M.;Vicini P.;Wahl H.;
2024

Abstract

The NA62 experiment at CERN collected the world's largest dataset of charged kaon decays in 2016.2018, leading to the first measurement of the branching ratio of the ultra-rare K+ → π+νν¯ decay, based on 20 candidates. Recent results from analyses of K+ → π0e+νγ, K+ → π+μ+μ- and K+ → π+γγ decays, using a data sample recorded in 2017-2018, are reported. Preliminary results of the first observation and analysis of the K± → π0π0μ±ν decay, based on the NA48/2 data collected in 2003-2004, are also shown.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2610091
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