Commissioning of the J-PET detector in view of the positron annihilation lifetime spectroscopy
K. Dulski, C. Curceanu, E. Czerwi\'nski, A. Gajos, M. Gorgol, N., Gupta-Sharma, B. C. Hiesmayr, B. Jasi\'nska, K. Kacprzak {\L}. Kap{\l}on, D., Kisielewska, K. Klimaszewski, G. Korcyl, P. Kowalski, N. Krawczyk, W., Krzemie\'n, T. Kozik, E. Kubicz, M. Mohammed, Sz. Nied\'zwiecki
TL;DR
The paper reports on commissioning the J-PET detector, a plastic scintillator-based PET device, demonstrating its capability for simultaneous imaging and positronium lifetime spectroscopy in porous materials.
Contribution
It introduces the first PET device built from plastic scintillators capable of combined imaging and positronium lifetime measurements.
Findings
J-PET successfully measures positron lifetime in porous polymer.
J-PET can perform simultaneous imaging and lifetime spectroscopy.
Results confirm J-PET's potential for medical and material studies.
Abstract
The Jagiellonian Positron Emission Tomograph (J-PET) is the first PET device built from plastic scintillators. It is a multi-purpose detector designed for medical imaging and for studies of properties of positronium atoms in porous matter and in living organisms. In this article we report on the commissioning of the J-PET detector in view of studies of positronium decays. We present results of analysis of the positron lifetime measured in the porous polymer. The obtained results prove that J-PET is capable of performing simultaneous imaging of the density distribution of annihilation points as well as positron annihilation lifetime spectroscopy.
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