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TY - CONF AU - Huang, M.Y. AU - Wang, S. AU - Xu, S.Y. ED - Schaa, Volker RW TI - Study on the Phase Space Painting Injection during the Beam Commissioning for CSNS J2 - Proc. of HB2018, Daejeon, Korea, 17-22 June 2018 C1 - Daejeon, Korea T2 - ICFA Advanced Beam Dynamics Workshop T3 - 61 LA - english AB - During the beam commissioning of China Spallation Neutron Source (CSNS), different injection methods were used in different periods. In the early stage, since the precise position of the injection point was unknown and the beam power was relatively small, the fixed point injection was selected. In the later period, in order to increase the beam power and reduce the beam loss, the phase space painting method was used. In this paper, the phase space painting in the horizontal and vertical planes is studied in detail and the beam commissioning results of different painting injection are given and discussed. In addition, the different injection effects of the fixed point injection and painting injection are compared and studied. PB - JACoW Publishing CP - Geneva, Switzerland SP - 309 EP - 311 KW - injection KW - MMI KW - linac KW - neutron KW - dipole DA - 2018/07 PY - 2018 SN - 978-3-95450-202-8 DO - 10.18429/JACoW-HB2018-WEP2PO022 UR - http://jacow.org/hb2018/papers/wep2po022.pdf ER -