Measured inclusive B(Z → 4ℓ) = 4.67 ± 0.21 × 10^{-6} with individual modes, differential distributions, and triple-product asymmetry limits.
C, P, and CP asymmetry observables based on triple product asymmetries
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abstract
The discrete symmetries C, P and CP are known to be violated by the weak interaction. It is possible to probe the breaking of these symmetries using asymmetries constructed from triple products based on the decay of some particle M to a four body final state. These proceedings discuss the full set of possible asymmetries that can be probed and applications to various measurement scenarios, focusing mostly on charm mesons and baryons. The ramifications of what can be learned from such measurements are also discussed.
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2026 1verdicts
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Studies of Z $\to$ 4$\ell$ decays in proton-proton collisions at $\sqrt{s}$ = 8 and 13 TeV
Measured inclusive B(Z → 4ℓ) = 4.67 ± 0.21 × 10^{-6} with individual modes, differential distributions, and triple-product asymmetry limits.