Intrinsic CPT violation and decoherence for entangled neutral mesons
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We present a combined treatment of quantum-gravity-induced effects and intrinsic CPT violation in entangled neutral-Kaon states. Our analysis takes into consideration two types of effects: first, those associated with the loss of particle-antiparticle identity, as a result of the ill-defined nature of the CPT operator, and second, effects due to the non-unitary evolution of the Kaons in the space-time foam. By studying a variety of phi-factory observables, involving identical as well as general final states, we derive analytical expressions, to leading order in the associated CPT violating parameters, for double-decay rates and their time-integrated counterparts. Our analysis shows that the various types of the aforementioned effects may be disentangled through judicious combinations of appropriate observables in a phi factory.
31 pages revtex, nine eps figures incorporated, Journal version (typos and latex errors corrected, discussion augmented, no changes in conclussions)
31 pages revtex, nine eps figures incorporated, Journal version (typos and latex errors corrected, discussion augmented, no changes in conclussions)