DISCRETE 2014: Fourth Symposium on Prospects in the Physics of Discrete Symmetries

Session

Parallel 1: Discrete symmetries (T, C, P), flavour, accidental symmetries

2 Dec 2014, 14:45

Great Hall and several lecture theatres (King's College London, Strand Campus)

31. Subtleties in the BaBar measurement of time-reversal violation

Aielet Efrati (W)

02/12/2014, 14:45

A first measurement of T asymmetries that are not also CP asymmetries has been recently achieved by the BaBar collaboration. We analyze the measured asymmetries in the presence of direct CP violation, CPT violation, wrong strangeness decays and wrong sign semileptonic decays. We introduce parameters that have well-defined transformation properties under CP, T and CPT, and identify...

45. NOVEL T-VIOLATION OBSERVABLE OPEN TO ANY DECAY CHANNEL AT MESON FACTORIES

francisco j. botella (University of Valencia)

02/12/2014, 15:15

Quantum Entanglement between the two neutral mesons produced in meson factories has allowed the first direct observation of Time-Reversal-Violation in the time evolution of the B neutral meson system between the two decays. The exceptional meson transitions are directly connected to semileptonic and CP-eigenstate decay channels. The possibility of extending the observable asymmetries to more...

74. A direct test of T symmetry in the neutral K meson system at KLOE-2

Aleksander Gajos (Jagiellonian University)

02/12/2014, 15:50

This work presents prospects for conducting a novel direct test of time- reversal symmetry at the KLOE-2 experiment. Quantum entanglement of neutral K meson pairs uniquely available at KLOE-2 allows to probe the T symmetry directly and independently of CP violation. This is achieved by a comparison of probabilities for a transition and its inverse obtained through exchange of initial and final...