From the 2 of 5 linked papers with an AI index.
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physics.med-ph2026
Three-Photon Bayesian Imaging of Ortho-Positronium
L. Raczynski, W. Krzemien, A. Coussat +5
PET provides functional images relying on two-photon coincidences from positron-electron annihilation. In human tissue, about 40\% of annihilations are preceded by Ps formation, of…
physics.med-ph2026
A Monte Carlo positronium decay source model with multiple annihilation channels in GATE
Wojciech Krzemien, Mateusz Bala, Kamil Dulski +10
Positronium-based imaging requires realistic modelling of positronium (Ps) decay in matter. We introduce a modular Ps decay model implemented in GATE 9.4 and GATE 10, enabling the…