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Wu XiaoBing Ouyang HuaFu Chi YunLong He Wei Huang Tao Li Gang Liu YingMan Lu YanHua Xu TaoGuang Zhang JunSong Zhang HuaShun Zhao FuXiang 《中国科学:物理学 力学 天文学(英文版)》2011,54(2):245-248
The accelerator complex of the China Spallation Neutron Source (CSNS) consists of a H− linear accelerator (linac) and a rapid cycling synchrotron (RCS). The linac contains a Penning surface H− ion source. The designed energy and the beam current of the source are 50 keV and 20 mA respectively, with a normalized root mean square (norm. rms.) emittance of 0.2π mm mrad. The manufactures and tests of the discharge chamber are in great progress. The construction of H− ion source test stand has been completed, and the operation of the source is also in progress. Stable H− ion beams with energy of 50 keV and current up to 50 mA are attained. Emittance measurement for the H− beam is being prepared.
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