| Performance of the plugged-in 22Na based slow positron beam facility |
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| 作者姓名： | 王平 马雁云 秦秀波 张哲 曹兴忠 于润升 王宝义 |
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| 作者单位： | [1]Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, CAS, Beijing 100049, China [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| 基金项目： | Supported by NSFC （10475096） and Special Fund for Equipment of CAS （U-37）. |
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| 摘 要： | The Beijing intense slow positron beam facility is based on the 1.3GeV linac of Beijing Electron-Positron Collider (BEPC) aiming to produce mono-energetic intense slow positron beam for material science investigation. The plugged-in 22Na based slow positron beam section has been newly constructed to supply continuous beam time for the debugging of positron annihilation measurement stations and improve the Beijing intense slow positron beam time using efficiency. Performance testing result of the plugged-in 22Na based slow positron beam facility are reviewed in this paper, with the measurement of the beam transport efficiency, the view of beam spot, the adjustment of beam position, the measurement of beam intensity and energy spread etc. included.
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| 关 键 词： | slow positron beam transport efficiency beam intensity energy spread |
| 收稿时间： | 2007-03-21 |
| 修稿时间： | 2007-05-09 |
Performance of the plugged-in ^22Na based slow positron beam facility |
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| WANG Ping, MA Yan-Yun,QIN Xiu-Bo, ZHANG Zhe, CAO Xing-Zhong,YU Run-Sheng, WANG Bao-Yi.Performance of the plugged-in 22Na based slow positron beam facility[J].High Energy Physics and Nuclear Physics,2008,32(3):243-246. |
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| Authors: | WANG Ping MA Yan-Yun QIN Xiu-Bo ZHANG Zhe CAO Xing-Zhong YU Run-Sheng WANG Bao-Yi |
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