Optimizing multi-stage CdZnTe Compton camera for real-time proton range determination in proton radiotherapy

Conclusions The performance of a CZT Compton camera detector has been studied. A CC efficiency of 0.255% ± 0.034% can be achieved by assembling a triple stage parallel plane CZT detector with stage separations 蠅 3.0cm and detector thicknesses ~1.0cm. Restricting detection to PG’s scattered by 10.1-23.3 will minimize camera angular uncertainty and will consequently improve proton range determination. CC's with efficiency of this magnitude are an improvement over previously investigated triple stage CC's with HPGe detectors and constitutes a promising system for proton range determination in proton radiotherapy.

Source: Journal of Nuclear Medicine - May 23, 2016 Category: Nuclear Medicine Authors: Stothers, L., Hou, X., Tanguay, J., Celler, A. Tags: MTA II: Instrumentation Posters Source Type: research