More than 10 years experience of beam monitoring with the Gantry 1 spot scanning proton therapy facility at PSI.


PURPOSE The beam monitoring equipments developed for the first PSI spot scanning proton therapy facility, Gantry 1, have been successfully used for more than 10 years. The purpose of this article is to summarize the author's experience in the beam monitoring technique for dynamic proton scanning. METHODS The spot dose delivery and verification use two… (More)