Measurement of direct CP violation in K meson decays at KTeV

摘要

The first measurement of direct CP violation parameter Re(epsilon'/epsilon) from the KTeV experiment at Fermilab is presented in this paper. Using a subset of data collected in 1996 and in 1997 we find that Re(epsilon'/epsilon) = [28.0 +/- 3.0(stat) +/- 2.8(syst)] x 10(-4) [1]. [References: 12]