A factorization framework and two-qubit description allow photon pairs at lepton colliders to be treated as qubits for measuring Bell inequality violation, quantum discord, and nonstabilizerness using Belle data.
Collaboration, Measurements ofZ-boson pair entan- glement in decays of Higgs bosons at the ATLAS exper- iment, arXiv:2603.26463 [hep-ex] (2026)
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A model of quantum decoherence from string breaking explains hyperon spin correlations by linking vacuum entanglement to observed data in non-perturbative QCD.
A shadow tomography framework is developed to characterize spin-spin entanglement in collider experiments, demonstrated via application to top quark pair production at the LHC.
Proposal to measure diphoton entanglement at pp colliders via Bethe-Heitler conversion in the tracker, yielding simulated significances of 0.007σ for Higgs→γγ and 1.5σ for continuum q q̄→γγ at HL-LHC.
citing papers explorer
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Quantum Information of Photon Pairs at Lepton Colliders
A factorization framework and two-qubit description allow photon pairs at lepton colliders to be treated as qubits for measuring Bell inequality violation, quantum discord, and nonstabilizerness using Belle data.
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Quantum decoherence of hyperon spin correlations in QCD hadronization
A model of quantum decoherence from string breaking explains hyperon spin correlations by linking vacuum entanglement to observed data in non-perturbative QCD.
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Optimised Inference of Quantum Phenomena in High-Energy Collider Experiments
A shadow tomography framework is developed to characterize spin-spin entanglement in collider experiments, demonstrated via application to top quark pair production at the LHC.
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Quantum entanglement of photon pairs at proton-proton colliders
Proposal to measure diphoton entanglement at pp colliders via Bethe-Heitler conversion in the tracker, yielding simulated significances of 0.007σ for Higgs→γγ and 1.5σ for continuum q q̄→γγ at HL-LHC.