Test of CPT Symmetry and Quantum Mechanics with Experimental data from CPLEAR
Abstract
We use fits to recent published CPLEAR data on neutral kaon decays to π+π- and π e to constrain the CPT--violation parameters appearing in a formulation of the neutral kaon system as an open quantum-mechanical system. The obtained upper limits of the CPT--violation parameters are approaching the range suggested by certain ideas concerning quantum gravity.
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