Multiple scattering and accidental coincidences in the J-PET detector simulated using GATE package
P. Kowalski, P. Moskal, W. Wi\'slicki, L. Raczy\'nski, T. Bednarski,, P. Bia{\l}as, J. Bu{\l}ka, E. Czerwi\'nski, A. Gajos, A. Gruntowski, D., Kami\'nska, {\L}. Kap{\l}on, A. Kochanowski, G. Korcyl, J. Kowal, T. Kozik,, W. Krzemie\'n, E. Kubicz, Sz. Nied\'zwiecki, M. Pa{\l}ka
TL;DR
This paper presents detailed simulations of background noise caused by accidental coincidences and gamma scattering in a new plastic scintillator-based PET system, aiding in its optimization.
Contribution
It provides a comprehensive simulation-based analysis of background effects in the J-PET system using the GATE package, which is novel for this type of detector.
Findings
Quantified the impact of accidental coincidences on image quality.
Analyzed multiple scattering effects to improve detector design.
Provided data to optimize the geometrical configuration of the J-PET system.
Abstract
Novel Positron Emission Tomography system, based on plastic scintillators, is developed by the J-PET collaboration. In order to optimize geometrical configuration of built device, advanced computer simulations are performed. Detailed study is presented of background given by accidental coincidences and multiple scattering of gamma quanta.
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