Fig. 1

(A) Weighted depth dose curves from 127.4 MeV beam (dose weighting factor = 18.5%, black) and 136.4 MeV (dose weighting factor = 81.5%, green), and the sum depth dose curve (red) in setup S2. (B) Depth dose curves in setup S1 (127.4 MeV) and S2 (mixed beams of 127.4 and 136.4 MeV).