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Nonlocal Correlation of Spin in High Energy Physics
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abstract
Nonlocality is a key feature of quantum theory and is reflected in the violation of Bell inequalities for entangled systems. The experimental tests beyond the electromagnetism and massless quanta are of great importance for understanding the nonlocality in different quantum interactions. In this work, we develop a generalized Clauser-Horne inequality pertaining especially to the high energy physics processes, which is quantum mechanical intervene free. We find, in the process of pseudoscalar quarkonium exclusive decay to entangled $\Lambda\bar{\Lambda}$ pairs, the inequality could be violated and is verifiable in high energy experiments, like BES III or BELLE II.
Forward citations
Cited by 3 Pith papers
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Probing Spin and Lifetime Correlations in Entangled Hyperon-AntiHyperon Pairs
A proposal to search for correlations in the decay times of entangled Lambda-AntiLambda pairs using spin-angle and time-difference observables.
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Entanglement redistribution of hyperon-antihyperon pair via sequential decay
In e+e−→ψ→Ξ(→Λπ)Ξ̄(→Λ̄π), the ΛΛ̄ pair's concurrence and negativity can decrease relative to the mother pair yet stay nonzero except at θ=0 and π, while quantum discord can always increase.
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Manipulating Bell nonlocality and entanglement in polarized electron-positron annihilation
Polarized lepton beams can tune hyperon-antihyperon entanglement and Bell nonlocality, with transverse polarization capable of producing maximally entangled pairs.
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