Development of a Time-Of-Flight Compton Camera for Online Control of Ion therapy
Résumé
The aim of irradiation monitoring during a treatment in ion therapy is to control in real time the agreement between the delivered dose and the planned treatment. In fact, the discrepancies might come from uncertainties such as the positioning or the anatomical changes of the patient can lead to ion-range variations of a few millimeters. Several devices are under development over the world to detect secondary radiations, which are correlated to the dose deposited by incident ions. Compton cameras are in particular investigated for their potential high efficiency. The present work aims at discussing the clinical applicability of a Compton camera design by means of Monte Carlo simulations validated against measurements of single and coincidence rates.
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