First tropical workshop on particle physics and cosmology and the second Latin American symposium on high energy physics(2008)
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摘要
The CPLEAR experiment at CERN measured the CP and CPT violation parameters and determined in a direct way the T violation. The results allow the determination of the CPT violation parameters in the neutral kaon mixing with a precision better than a few 10−4. The mass equality between K0 and K0 is tested down to the level of 10−19 GeV. In addition, physics on a scale close to the Planck mass is probed for the first time.