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The NA48 experiment at the CERN SPS accelerator aims to measure Re( '/ ), the direct CP violation parameter in K 0 -> 2π decays, to the precision of 2 x 10 -4 . In the year 1999, the NA48 collaboration has published its first measurement based on the 1997 data. The presented result is a preliminary measurement from data collected in the 1998 run which contain 2.5 times more...
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