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Recent results on Kaon decays from NA48/2
The first observation of the $K^\pm → π^\pm π^0 e^+ e^-$ rare decay by the NA48/2 experiment at CERN SPS is reported, based on $∼2\times 10^{11} K^\pm$ decays recorded in 2003-2004. From a sample of 4919 candidates with 4.9% background the branching ratio in the full kinematic region is measured to...
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| Lenguaje: | eng |
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SISSA
2019
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| Acceso en línea: | https://dx.doi.org/10.22323/1.352.0116 http://cds.cern.ch/record/2693925 |