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YANG Xiao-Dong, LI Jie, MAO Li-Jun, LI Guo-Hong, ZHAN Wen-Long, XIA Jia-Wen, ZHAO Hong-Wei, XIAO Guo-Qing, YUAN You-Jin, SONG Ming-Tao, LIU Yong, YANG Jian-Cheng, GAO Da-Qing, ZHOU Zhong-Zu, HE Yuan, ZHANG Wei, ZHANG Jian-Hua, MAO Rui-Shi, ZHAO Tie-Cheng and Parkhomchuk Vasily. Commissioning of electron cooling in CSRm[J]. Chinese Physics C, 2009, 33(S2): 18-21. doi: 10.1088/1674-1137/33/S2/005
YANG Xiao-Dong, LI Jie, MAO Li-Jun, LI Guo-Hong, ZHAN Wen-Long, XIA Jia-Wen, ZHAO Hong-Wei, XIAO Guo-Qing, YUAN You-Jin, SONG Ming-Tao, LIU Yong, YANG Jian-Cheng, GAO Da-Qing, ZHOU Zhong-Zu, HE Yuan, ZHANG Wei, ZHANG Jian-Hua, MAO Rui-Shi, ZHAO Tie-Cheng and Parkhomchuk Vasily. Commissioning of electron cooling in CSRm[J]. Chinese Physics C, 2009, 33(S2): 18-21.  doi: 10.1088/1674-1137/33/S2/005 shu
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Received: 2009-01-06
Revised: 1900-01-01
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Commissioning of electron cooling in CSRm

    Corresponding author: YANG Xiao-Dong,

Abstract: A new generation electron cooler has started operation in the heavy ion synchrotron CSRm which is used to increase the intensity of heavy ions. Transverse cooling of the ion beam after horizontal multi-turn injection allows beam accumulation at the injection energy. After optimization of the accumulation process an intensity increase in a synchrotron pulse by more than one order of magnitude has been achieved. In given accumulation time interval of 10 seconds, 108 particles have been accumulated and accelerated to the final energy. The momentum spread after accumulation and acceleration in the 10-4 range has been demonstrated in six species of ion beams. Primary measurements of accumulation process varying with electron energy, electron beam current, electron beam profile, expansion factor and injection interval have been performed. The lifetimes of ion beams in the presence of electron beams were roughly measured with the help of DCCT signal.

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