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Cascade Mixing and the CP-Violating Angle Beta
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In the decay chain B(d) --> Psi + K --> Psi + (pi l nu), neutral K mixing follows on the heels of neutral B mixing. This "cascade mixing" leads to an interference which probes cos(2*beta), where beta is one of the three CP-violating phase angles which characterize CP violation in the Standard Model. Widely-discussed future B-system experiments will determine trigonometric functions of these three phase angles, leaving the underlying angles themselves discretely ambiguous. A determination of cos(2*beta) through cascade mixing would eliminate all the discrete ambiguities entirely.
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Cited by 1 Pith paper
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Connected Sequential Bargmann Invariants and CP-Sensitive Geometric Correlation Structures in Neutral Meson Systems
Introduces connected sequential fourth-order Bargmann invariants to capture projection-projection correlations and extend geometric structures for CP-sensitive phenomena in neutral meson mixing.
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