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Lepton universality test with K+ --> l+ nu decays
The NA62 experiment at CERN collected a large sample of $K^+\to e^+\nu$ decays during a dedicated run in 2007, which allows a precise test of lepton universality by measurement of the helicity suppressed ratio $R_K = \Gamma(K^+\to e^+\nu)/\Gamma(K^+\to\mu^+\nu)$. The preliminary result of the analys...
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| Lenguaje: | eng |
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2009
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| Acceso en línea: | https://dx.doi.org/10.22323/1.083.0025 http://cds.cern.ch/record/1203174 |