Probing Quantum Entanglement in ${\tau }^{+}{\tau }^{-}$ Pairs via the $\pi \pi$ Channel at STCF

Xiaokang Li, Chentao Bao, Hai Chen +2

Quantum entanglement and Bell-inequality violation in ${\tau }^{+}{\tau }^{-}$ pairs provide a sensitive probe of quantum correlations in high-energy interactions. We present a feasibility study o…