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RESEARCH PRODUCT
CPT violation in entangled B0–B¯0 states and the demise of flavour tagging
Ezequiel AlvarezJose BernabeuM. NebotJoannis PapavassiliouNikolaos Mavromatossubject
PhysicsNuclear and High Energy PhysicsParticle physicsAntiparticleQuantum decoherenceMesonCPT symmetryOperator (physics)CP violationHigh Energy Physics::ExperimentQuantum entanglementState (functional analysis)description
Abstract We discuss the demise of flavour tagging due to the loss of the particle–antiparticle identity of neutral B -mesons in the Einstein–Podolsky–Rosen correlated states. Such a situation occurs in cases where the CPT operator is ill-defined, as happens, for example, in quantum gravity models with induced decoherence in the matter sector. The time evolution of the perturbed B 0 – B ¯ 0 initial state, as produced in B -factories, is sufficient to generate new two-body states. For flavour specific decays at equal times, we discuss two definite tests of the two body entanglement: (i) search for the would-be forbidden B 0 B 0 and B ¯ 0 B ¯ 0 states; (ii) deviations from the indistinguishable probability between the permuted states B ¯ 0 B 0 and B 0 B ¯ 0 .
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2005-02-01 | Physics Letters B |