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TY - CONF AU - Ji, H.F. AU - Huang, M.Y. AU - Jiao, Y. AU - Wang, N. AU - Wang, S. AU - Xu, S.Y. ED - Eshraqi, Mohammad ED - Trahern, Garry ED - Schaa, Volker RW TI - The Application of the Optimization Algorithm in the Collimation System for CSNS/RCS J2 - Proc. of HB2016, Malmö, Sweden, July 3-8, 2016 C1 - Malmö, Sweden T2 - ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams T3 - 57 LA - english AB - The robust conjugate direction search (RCDS) method, which is developed by X. Huang from the SLAC National Accelerator Laboratory, has high tolerance against noise in beam experiments and thus can find an optimal solution effectively and efficiently. In this paper, the RCDS method is used to optimize the beam collimation system for Rapid Cycling Synchrotron (RCS) of the China Spallation Neutron Source (CSNS). A two-stage beam collimation system was designed to localize the beam loss in the collimation section in CSNS/RCS. The parameters of secondary collimators are optimized with RCDS algorithm based on detailed tracking with the ORBIT program for a better performance of the collimation system. The study presents a way to quickly find an optimal parameter combination of the secondary collimators for a machine model for preparation for CSNS/RCS commissioning. PB - JACoW CP - Geneva, Switzerland SP - 397 EP - 399 KW - collimation KW - acceleration KW - space-charge KW - simulation KW - emittance DA - 2016/08 PY - 2016 SN - 978-3-95450-185-4 DO - 10.18429/JACoW-HB2016-WEPM7X01 UR - http://jacow.org/hb2016/papers/wepm7x01.pdf ER -