New measurement of the K+- --> pi+-mu+mu- decay

J. R. Batley et al.

A sample of 3120 $K^{\pm }\to {\pi }^{\pm }{\mu }^{+}{\mu }^{-}$ decay candidates with $(3.3\pm 0.7)$ background contamination has been collected by the NA48/2 experiment at the CERN SPS, allowing a detaile…