Author

M. Yáñez

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Preprint Jul 2026

Quantum Tomography of Top Quarks as a Probe of Charge-Parity Violation

LHC measurements now reconstruct all fifteen parameters of the $t\bar t$ two-qubit spin density matrix, which amounts to a full quantum tomography of the pair. We show that this data constrains CP violation in the top-Yukawa coupling. The coupling enters the density matrix at one loop and produces spin correlations tha...

E. Erdoğan, K. Mohan, K. Xie et al. · 0 citations