Uses blast-wave fits to pi, K, and p spectra plus measured K/pi to predict low-pT eta/pi0 ratio, finding eta-decay photon uncertainty of order 10% of direct-photon signal at pT~1 GeV/c in central Pb-Pb at 2.76 TeV.
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The paper proposes that equality between initial-state entanglement entropy and final-state thermodynamic entropy demonstrates entanglement as the driver of particle production and thermal-like behavior in high-energy collisions.
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Constraining the Low-$p_T$ $\eta/\pi^0$ Ratio for Direct-Photon Analyses with Blast-Wave Fits to $\pi$, $K$, and $p$ Spectra
Uses blast-wave fits to pi, K, and p spectra plus measured K/pi to predict low-pT eta/pi0 ratio, finding eta-decay photon uncertainty of order 10% of direct-photon signal at pT~1 GeV/c in central Pb-Pb at 2.76 TeV.
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Exploring Particle Production and Thermal-Like Behavior through Quantum Entanglement
The paper proposes that equality between initial-state entanglement entropy and final-state thermodynamic entropy demonstrates entanglement as the driver of particle production and thermal-like behavior in high-energy collisions.