Simulation of loss of uranium ions due to charge changing processes in the CSRm ring

ZHENG Wen-Heng; YANG Jian-Cheng; LI Peng; LI Zhong-Shan; SHANG Peng; QU Guo-Feng; GE Wen-Wen; TANG Mei-Tang; SHA Xiao-Ping

doi:10.1088/1674-1137/39/4/047005

Chinese Physics C> 2015, Vol. 39> Issue(4) : 047005 DOI: 10.1088/1674-1137/39/4/047005

Simulation of loss of uranium ions due to charge changing processes in the CSRm ring

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Abstract：
Significant beam loss caused by the charge exchange processes and ion impact-induced outgassing may restrict the maximum number of accelerated heavy ions during the high intensity operation of an accelerator. In order to control beam loss due to charge exchange processes and confine the generated desorption gas, tracking of the beam loss distribution and installation of absorber blocks with low-desorption rate material at appropriate locations in the main Cooler Storage Ring (CSRm) at the Institute of Modern Physics, Lanzhou, will be performed. The loss simulation of uranium ions with electron-loss is presented in this report and the conclusion is that most charge changed particles are lost in the second dipole of the super-period structure. The calculation of the collimation efficiency of the CSRm ring will be continued in the future.

References

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ZHENG Wen-Heng, YANG Jian-Cheng, LI Peng, LI Zhong-Shan, SHANG Peng, QU Guo-Feng, GE Wen-Wen, TANG Mei-Tang and SHA Xiao-Ping. Simulation of loss of uranium ions due to charge changing processes in the CSRm ring[J]. Chinese Physics C, 2015, 39(4): 047005. doi: 10.1088/1674-1137/39/4/047005

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Received: 2014-09-04
Revised: 1900-01-01

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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

Simulation of loss of uranium ions due to charge changing processes in the CSRm ring

Corresponding author: ZHENG Wen-Heng,

Received Date: 2014-09-04

Accepted Date: 1900-01-01

Available Online: 2015-04-05

Abstract: Significant beam loss caused by the charge exchange processes and ion impact-induced outgassing may restrict the maximum number of accelerated heavy ions during the high intensity operation of an accelerator. In order to control beam loss due to charge exchange processes and confine the generated desorption gas, tracking of the beam loss distribution and installation of absorber blocks with low-desorption rate material at appropriate locations in the main Cooler Storage Ring (CSRm) at the Institute of Modern Physics, Lanzhou, will be performed. The loss simulation of uranium ions with electron-loss is presented in this report and the conclusion is that most charge changed particles are lost in the second dipole of the super-period structure. The calculation of the collimation efficiency of the CSRm ring will be continued in the future.

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Simulation of loss of uranium ions due to charge changing processes in the CSRm ring

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