2012

Precision Measurement of the Ratio of the Charged Kaon Leptonic Decay Rates

The NA62 collaboration

Understand

A precision measurement of the ratio RK of the rates of kaon leptonic decays K+- --> e nu and K+- --> mu nu with the full data sample collected by the NA62 experiment at CERN in 2007-2008 is reported.

  • The result, obtained by analysing ~150000 reconstructed K+- --> e nu candidates with 11% background contamination, is RK = (2.488+-0.010)*10^{-5}, in agreement with the Standard Model expectation.

Built on

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Similar

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Then

  • F. Ambrosino et al

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    Later among the works it cites.

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    Later among the works it cites.

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