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@inproceedings{shi:cyclotrons2022-weao06, author = {J. Shi and Q. Li and L.Z. Ma and J.W. Xia and G.Q. Xiao and J.C. Yang and W.-L. Zhan}, % author = {J. Shi and Q. Li and L.Z. Ma and J.W. Xia and G.Q. Xiao and J.C. Yang and others}, % author = {J. Shi and others}, title = {{Development of Heavy Ion Radiotherapy Facilities in China}}, % booktitle = {Proc. CYCLOTRONS'22}, booktitle = {Proc. 23rd Int. Conf. Cyclotrons Appl. (CYCLOTRONS'22)}, pages = {167--169}, paper = {WEAO06}, language = {english}, keywords = {heavy-ion, synchrotron, injection, cyclotron, radiation}, 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-WEAO06}, url = {https://jacow.org/cyclotrons2022/papers/weao06.pdf}, abstract = {{Hadron therapy offers superior dose conformity in the treatment of deep-seated tumors compared with conventional X-ray therapy due to its Bragg-peak feature of energy deposition in organs. Heavy ion medical machine (HIMM) was constructed on the basis of the experience gained from the Heavy Ion Research Facility in Lanzhou-Cooler Storage Ring (HIRFL-CSR) project. The facility consists of an electron cyclotron resonance (ECR) ion source, a cyclotron injector, a compact synchrotron ring, and 5 nozzles. The C⁵⁺ beam generated by the ECR ion source is pre-accelerated by the cyclotron to 6.2 MeV/u and then injected into the synchrotron using the charge exchange injection method. The injected beam is accelerated from 6.2 MeV/u to an extraction energy ranging from 120 to 400 MeV/u. This paper introduced the characteristics of HIMM and its development in China.}}, }