Quantum entanglement and Bell-inequality violation in Formula: see text pairs provide a sensitive probe of quantum correlations in high-energy interactions. We present a feasibility study of Formula: see text at the proposed Super Tau-Charm Facility (STCF) based on full Monte Carlo simulation at Formula: see textFormula: see textGeV, focusing on the Formula: see text channel (Formula: see text), which offers the maximal spin-analyzing power Formula: see text and the simplest final-state topology for validating the quantum-tomography framework. We establish a consistency chain from the tree-level QED prediction through truth-level and detector-level reconstruction, yielding a reconstructed concurrence of Formula: see text with the good-solution approach. A complementary full-simulation study of the Formula: see text channel is also briefly reported. These results demonstrate that the STCF can provide a competitive platform for precision studies of quantum correlations in Formula: see text-lepton pairs.
Li et al. (Fri,) studied this question.
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