Commissioning of the Gantry 2 scanning system at PSI

D. Meer, E. Pedroni, Chr. Bula, R. Künzi, M. Rejzek & S. Zenklusen
Background: Based on the experience of Gantry 1 with a scanned proton beam a new gantry is under construction at PSI. The commissioning of the scanning system for this new Gantry 2 has started and first measurements are accomplished. Gantry 2 will also be the framework to develop new scanning techniques[for full text, please go to the a.m. URL]