CP, T and CPT versus temporal asymmetries for entangled states of the B-d-system
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CP, T and CPT versus temporal asymmetries for entangled states of the B-d-system

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CP, T and CPT versus temporal asymmetries for entangled states of the B-d-system

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Bañuls Polo, María Carmen; Bernabeu Alberola, José Perfil
Aquest document és un/a article, creat/da en: 1999
The observables used in the K-system to characterize T and CPT violation are no longer useful for the Bd-system, since the width difference between the physical states is vanishingly small. We show that only Im(epsilon) and Re(delta) can survive if Delta Gamma=0, and build alternative CP-odd, CPT-odd, T-odd and temporal asymmetries for the (B_CP -> B0, B0bar) transitions. These quantities enable us to test T and CPT invariances of the effective Hamiltonian for the B-system. The method needs the CP eigenstates B_CP, which can be tagged unambiguously to order lambda^3 from the entangled states of a B-factory.

    Bañuls Polo, María Carmen; Bernabeu Alberola, José (1999) CP, T and CPT versus temporal asymmetries for entangled states of the B-d-system Physics Letters B 464 1-2 117 122
http://dx.doi.org/10.1016/S0370-2693(99)01043-6
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