Simulation of Compton camera imaging with a specific purpose Monte Carlo code
作者： Jonathan Earnhart , Thomas Prettyman , John Lestone , Robin Gardner
DOI: 10.1016/S0969-8043(00)00203-7
关键词:
摘要: A specific purpose Monte Carlo model that treats the physical processes of image formation in Compton cameras is presented. Features include: detailed scattering physics, including incoherent functions and Doppler broadening; multiple scattering; peak detector response functions. Calculation efficiency enhanced by making every history result a partial success through extensive use pathway sampling variance reduction techniques. The code was benchmarked to data obtained from prototype camera using CdZnTe silicon room-temperature technology. Reasons for observed discrepancies between simulation experiments are explored. Implicit assumptions, related our implementation sampling, appear be greatest source error.
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