The paper derives theoretical formulas relating positronium lifetime, 3γ/2γ annihilation rate ratio, and quantum entanglement degree to oxygen partial pressure, proposing them as novel PET-based hypoxia biomarkers.
Measurement of positron lifetime to probe the mixed molecular states of liquid water
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Quantum Entanglement Degree, Mean Positronium Lifetime, and the $3\gamma$/$2\gamma$ Annihilation-Rate Ratio as Novel PET Biomarkers for Hypoxia -- Concept, Challenges, and Predictions
The paper derives theoretical formulas relating positronium lifetime, 3γ/2γ annihilation rate ratio, and quantum entanglement degree to oxygen partial pressure, proposing them as novel PET-based hypoxia biomarkers.