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Recent results on kaon decays by the NA48/2 experiment at CERN
The NA48/2 experiment reports the first observation of the rare decay K$^{±}$ → π$^{±}$ π$^{0}$ e$^{+}$ e$^{−}$, based on about 2000 candidates from 2003 data. The preliminary branching ratio in the full kinematic region is $\mathcal {B}(K^{\pm } \to \pi ^{\pm }\pi ^{0}e^{+}e^{-})=(4.06\pm 0.17)\cdo...
| Autores principales: | , |
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| Lenguaje: | eng |
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2016
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| Acceso en línea: | https://dx.doi.org/10.1007/s10751-016-1318-1 http://cds.cern.ch/record/2263468 |