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@inproceedings{kim:cyclotrons2022-thbo05, author = {J.-W. Kim and Y.H. Yeon}, title = {{Commissioning of a 70 MeV Proton Cyclotron System of IBS, Korea}}, % booktitle = {Proc. CYCLOTRONS'22}, booktitle = {Proc. 23rd Int. Conf. Cyclotrons Appl. (CYCLOTRONS'22)}, pages = {282--284}, paper = {THBO05}, language = {english}, keywords = {cyclotron, ISOL, controls, MMI, site}, venue = {Beijing, China}, series = {International Conference on Cyclotrons and their Applications}, number = {23}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2023}, issn = {2673-5482}, isbn = {978-3-95450-212-7}, doi = {10.18429/JACoW-CYCLOTRONS2022-THBO05}, url = {https://jacow.org/cyclotrons2022/papers/thbo05.pdf}, abstract = {{A 70 MeV H⁻ cyclotron system was installed at the Shindong campus of Institute for Basic Science from Nov. 2021. Installation was guided by precision survey so as to locate main components to their final positions. Electrical cables and utility lines were then connected and validation was followed for the control and safety systems. Internal beams were accelerated in May and utilized to isochronize the magnetic field by Smith-Garren method involving a series of magnetic shimming. A beam of 70 MeV was firstly extracted in July and two beam lines were commissioned for the beam energies of 40-70 MeV. Site acceptance tests were carried out with a temporary beam line installed to measure beam profiles at the location of ISOL target, Finally, a maximum beam power of 50 kW was successfully tested for six hours.}}, }