Range verification in proton therapy and related activities at OncoRay

Range verification with millimeter accuracy is considered to be a key for improving the precision and for reducing side effects of radiotherapy with ion beams. The detection and analysis of prompt gamma rays with respect to their emission points, emission time, and emission energy can provide appropriate means for range verification in situ and in real time. The research group “In-vivo Dosimetry” at Helmholtz-Zentrum Dresden - Rossendorf, Institute of Radiooncology - OncoRay, has focused considerable efforts on developing and testing prompt-gamma based techniques of range verification in under treatment conditions in proton therapy. The talk reviews complementary approaches and presents recent results of corresponding research activities.