Abstract
The NA48 experiment at the CERN SPS aims at measuring the direct CP violation parameter, R (ε′/ε), in the system of neutral kaons with a precision of ∼ 2 × 10 −4. The measurement is performed comparing K L and K S decay rates into pairs of charged and neutral pions. The status of the experiment will be presented: after a description of the apparatus, with special attention to some of its components, the detector performances and the achievements of the 1997 run will be presented together with the improvements of the 1998 run.
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