The aim of the CPLEAR experiment is to realize a complete and precise survey of the discrete symmetries CP, T and CPT in the neutral kaon system. In contrast to previous experiments
semanticscholar(2015)
摘要
The CPLEAR experiment at CERN studies the CP, T and CPT symmetries in the neutral kaon system using initially tagged K0 and K0• Results from the 1990 to 1993 data on 71+• 71+-o , A m and x are reported, as well as the first direct measurement of T violation and cs. Our results are consistent with CPT invariance and lead to an improved limit on the K0 K0 mass difference. ' University of Athens, ' University of Basie, 3Boston University, 4CERN, 5LIP and University of Coirnbra, 6Delft University of Technology, 7University of Fribourg, 8University of loannina, 9 University of Liverpool, 10J. Stefan Inst. and Phys. Dep., University of Ljubljana, 11CPPM, IN2P3-CNRS et Universite d'Aix-Marseille II, 12CSNSM, IN2P3-CNRS, Orsay, 13Paul-Scherrer-Institut(PSI), 14CEA, DSM/DAPNIA, CE-Saclay, 15KTH Stockholm, 16University of Thessaloniki, 17ETH-IPP Ziirich
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