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@inproceedings{yamamoto:ipac2021-wepab179, author = {K. Yamamoto}, title = {{Recent Status of J-PARC Rapid Cycling Synchrotron}}, booktitle = {Proc. IPAC'21}, pages = {3027--3030}, eid = {WEPAB179}, language = {english}, keywords = {operation, shielding, synchrotron, injection, proton}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-WEPAB179}, url = {https://jacow.org/ipac2021/papers/wepab179.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB179}, abstract = {{The 3 GeV rapid cycling synchrotron (RCS) at the Ja-pan Proton Accelerator Research Complex (J-PARC) provides more than 500 kW beams to the Material and Life Science Facility (MLF) and Main Ring (MR). In such a high-intensity hadron accelerator, even losing less than 0.1% of the beam can cause many problems. Such lost protons can cause serious radio-activation and accelerator component malfunctions. Therefore, we have been continuing a beam study to achieve high-power operation. In addition, we have also improved and maintained the accelerator components to enable stable operation. This paper reports the status of the J-PARC RCS over the last two years.}}, }