Spectroscopic Compton imaging of prompt gamma emission at the MeV energy range.

Haijian ChenHuaiyu H Chen-MayerDanyal J TurkogluBenjamin K RileyEmily DraegerJerimy P Polf

Published in: Journal of radioanalytical and nuclear chemistry (2018)

This work explores a novel tomographic approach to PGAA that is both quantitative and spatially resolved, adapted from a clinical "proton beam range finder" in which MeV gamma rays are imaged by coincidence measurements of Compton scattered gamma rays with multi-detector arrays. We performed preliminary measurements using a Compton camera made with CdZnTe detector arrays on a series of test samples with high-energy (> 1 MeV) gamma emission lines. 3D image reconstructions were performed on the 2.2 MeV peak from H. The image reconstruction methods were also evaluated using the emission data generated by Monte Carlo simulations under ideal conditions.

Keyphrases

monte carlo
high resolution
deep learning
image quality
magnetic resonance imaging
electronic health record
molecular docking
big data
computed tomography
magnetic resonance
mass spectrometry
molecular dynamics
artificial intelligence
convolutional neural network
data analysis
high speed
fluorescence imaging