@inproceedings{oai:repo.qst.go.jp:00054845,
 author = {水島, 康太 and 片桐, 健 and 岩田, 佳之 and 古川, 卓司 and 佐藤, 眞二 and 白井, 敏之 and 野田, 耕司 and 水島 康太 and 片桐 健 and 岩田 佳之 and 古川 卓司 and 佐藤 眞二 and 白井 敏之 and 野田 耕司},
 book = {Proceedings of the 10th Annual Meeting of Particle Accelerator Society of Japan},
 month = {Aug},
 note = {In scanned heavy-ion therapy, the narrow beam is required to reduce the damage of healthy tissues around the target tumor. The multiple-energy synchrotron operation with stepwise flattops has been developed at HIMAC in NIRS, in order to perform scanning irradiation without using the energy degrader which increases the beam size by the multiple scattering. The operation can vary the extraction beam energy quickly from 430 to 56 MeV/n by gradually decelerating the stored beam in the synchrotron ring. The number of the energy steps required from the scanning irradiation system is about 200. To meet the requirement with a shorter commissioning time, we proposed a method to determine the beam- and device-parameter settings for all energies by an interpolation method. As a result, it was confirmed that it is possible to produce the multiple-energy operation having many energy steps by small manual adjustments for less energy steps.},
 pages = {794--797},
 title = {HIMAC における可変エネルギー運転の高度化},
 year = {2013}
}