Testing CPT invariance by using C-even neutral-meson--antimeson correlated states
G. V. Dass, W. Grimus, L. Lavoura
Abstract
We consider the decays of a correlated neutral-meson--antimeson state with C-parity +1. We show that there is CPT noninvariance in the mixing of the neutral mesons if, for any two decay modes f and g, the decay rate has a component RA which is antisymmetric under the interchange of the decay times t1 and t2. In particular, one may cleanly extract the CPT-noninvariance parameter with the help of RA by using opposite-sign dilepton events.
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