First positronium imaging of the human brain using a multi-photon J-PET scanner

Speaker: Prof. Pawel Moskal

Affiliation: Faculty of Physics, Astronomy, and Applied Computer Science, Jagiellonian University, Krakow, Poland

Abstract: The Jagiellonian Positron Emission Tomograph (J-PET) is the first multi-photon PET scanner capable of measuring momentum vectors and polarization of photons originating from the decays of positronium.
J-PET enables imaging of positronium properties in living organisms, the study of discrete symmetries in positronium decays, and studies of the degree of quantum entanglement of photons from electron-positron annihilations.
We will present the first-ever images of the properties of positronium in humans [1,2,3], the most accurate results to date of P, T, CP, and CPT symmetry tests in the decays of positronium atoms [4,5], and the first observation of non-maximal entanglement of photons from positronium annihilation in matter [6].

References:
[1] P. Moskal et al., Nature Reviews Physics 1, 527 (2019).
[2] P. Moskal et al., Science Advances 7, eabh4394 (2021).
[3] P. Moskal et al., Science Advances 10, eadp2890 (2024).
[4] P. Moskal et al., Nature Communication 12, 5658 (2021).
[5] P. Moskal et al., Nature Communication 15, 79 (2024).
[6] P. Moskal et al., arXiv:2407.08574, Science Advances, in review.

Chairman: Bartlomiej Graczykowski

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