Commissioning of electron cooling in CSRe

YANG Xiao-Dong; MAO Li-Jun; LI Guo-Hong; LI Jie; MA Xiao-Ming; YAN Tai-Lai; YUAN You-Jin; SONG Ming-Tao; YANG Jian-Cheng; LIU Yong; ZHAO Tie-Cheng; XIA Jia-Wen; ZHANG Wei; GAO Da-Qing; ZHOU Zhong-Zu; YAN Hong-Bin; MAO Rui-Shi; HE Yuan; HAN Shao-Fei; ZHENG Jian-Hua; YANG Xiao-Tian; ZHAO Hong-Wei; XIAO Guo-Qing; YIN Da-Yu; LI Peng; JIA Huan; Parkhomchuk Vasily; Reva Vladimir; Skorobogatov Dmitry

doi:10.1088/1674-1137/34/7/013

Chinese Physics C> 2010, Vol. 34> Issue(7) : 998-1004 DOI: 10.1088/1674-1137/34/7/013

Commissioning of electron cooling in CSRe

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The 400 MeV/u ¹²C⁶⁺ ion beam was successfully cooled by the intensive electron beam near 1 A in CSRe. The momentum cooling time was estimated near 15 s. The cooling force was measured in the cases of different electron beam profiles, and the different angles between the ion beam and electron beam. The lifetime of the ion beam in CSRe was over 80 h. The dispersion in the cooling section was confirmed as positive close to zero. The beam sizes before cooling and after cooling were measured by the moving screen. The beam diameter after cooling was about 1 mm. The bunch length was measured with the help of the signals from the beam position monitor. The diffusion was studied in the absence of the electron beam.

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YANG Xiao-Dong, MAO Li-Jun, LI Guo-Hong, LI Jie, MA Xiao-Ming, YAN Tai-Lai, YUAN You-Jin, SONG Ming-Tao, YANG Jian-Cheng, LIU Yong, ZHAO Tie-Cheng, XIA Jia-Wen, ZHANG Wei, GAO Da-Qing, ZHOU Zhong-Zu, YAN Hong-Bin, MAO Rui-Shi, HE Yuan, HAN Shao-Fei, ZHENG Jian-Hua, YANG Xiao-Tian, ZHAO Hong-Wei, XIAO Guo-Qing, YIN Da-Yu, LI Peng, JIA Huan, Parkhomchuk Vasily, Reva Vladimir and Skorobogatov Dmitry. Commissioning of electron cooling in CSRe[J]. Chinese Physics C, 2010, 34(7): 998-1004. doi: 10.1088/1674-1137/34/7/013

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Received: 2009-08-21
Revised: 2009-11-13

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Commissioning of electron cooling in CSRe

Corresponding author: YANG Xiao-Dong,

Received Date: 2009-08-21

Accepted Date: 2009-11-13

Available Online: 2010-07-05

Abstract: The 400 MeV/u ¹²C⁶⁺ ion beam was successfully cooled by the intensive electron beam near 1 A in CSRe. The momentum cooling time was estimated near 15 s. The cooling force was measured in the cases of different electron beam profiles, and the different angles between the ion beam and electron beam. The lifetime of the ion beam in CSRe was over 80 h. The dispersion in the cooling section was confirmed as positive close to zero. The beam sizes before cooling and after cooling were measured by the moving screen. The beam diameter after cooling was about 1 mm. The bunch length was measured with the help of the signals from the beam position monitor. The diffusion was studied in the absence of the electron beam.

Commissioning of electron cooling in CSRe

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通讯作者: 陈斌, bchen63@163.com

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Commissioning of electron cooling in CSRe

Corresponding author: YANG Xiao-Dong,

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