Recent results and prospects for precision tests of the Standard Model in kaon decay-in- flight experiments at CERN are presented. A measurement of the ratio of leptonic decay rates of the charged kaon at the level of 0.4% precision constrains the parameter space of new physics models with extended Higgs sector, a fourth generation of quarks and leptons or sterile neutrinos. Searches for heavy neutrino mass states and the dark photon in the ~ 100 MeV/c2 mass range based on samples collected in 2003-2007 are in progress and prospects will be discussed. The NA62 experiment, starting in 2014, will search for a range of lepton number and lepton avour violating decays of the charged kaon and the neutral pion at improved sensitivities down to ~ 10 E-12, which will probe new physics scenarios involving heavy Majorana neutrinos or R-parity violating SUSY.
Precision tests of the Standard Model with Kaon decays at CERN.
ANZIVINO, Giuseppina;IMBERGAMO, ERMANNO;PICCINI, Mauro;
2015
Abstract
Recent results and prospects for precision tests of the Standard Model in kaon decay-in- flight experiments at CERN are presented. A measurement of the ratio of leptonic decay rates of the charged kaon at the level of 0.4% precision constrains the parameter space of new physics models with extended Higgs sector, a fourth generation of quarks and leptons or sterile neutrinos. Searches for heavy neutrino mass states and the dark photon in the ~ 100 MeV/c2 mass range based on samples collected in 2003-2007 are in progress and prospects will be discussed. The NA62 experiment, starting in 2014, will search for a range of lepton number and lepton avour violating decays of the charged kaon and the neutral pion at improved sensitivities down to ~ 10 E-12, which will probe new physics scenarios involving heavy Majorana neutrinos or R-parity violating SUSY.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
