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Precise measurement of the Decay $K^\pm \to \pi^0\pi^0\mu^\pm\nu$
We report the first observation of the decay $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ ($K^{00}_{\mu4}$) by the NA48/2 experiment at the CERN SPS. From 2437 detected signal candidates with a S/B ratio of about 6, the branching ratio of the decay is determined with high precision. In the...
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Lenguaje: | eng |
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2022
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Acceso en línea: | https://dx.doi.org/10.22323/1.414.0723 http://cds.cern.ch/record/2869514 |