Dose impact of a brass aperture on low dose tails for a proton wobbling nozzle with a multileaf collimator — A Monte Carlo study

At the Chang Gung Memorial Hospital, a wobbled beam together with a set of single scatterers produces a uniform proton field at the first and second gantries for proton radiotherapy. Conformal field shaping was accomplished by using only a multileaf collimator (MLC) or a combination of an MLC and a...

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