Performance of the plugged-in <SUP>22</SUP>Na based slow positron beam facility

WANG Ping; MA Yan-Yun; QIN Xiu-Bo; ZHANG Zhe; CAO Xing-Zhong; YU Run-Sheng; WANG Bao-Yi

doi:10.1088/1674-1137/32/3/017

Chinese Physics C> 2008, Vol. 32> Issue(3) : 243-246 DOI: 10.1088/1674-1137/32/3/017

Performance of the plugged-in ²²Na based slow positron beam facility

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Abstract：
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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WANG Ping, MA Yan-Yun, QIN Xiu-Bo, ZHANG Zhe, CAO Xing-Zhong, YU Run-Sheng and WANG Bao-Yi. Performance of the plugged-in ²²Na based slow positron beam facility[J]. Chinese Physics C, 2008, 32(3): 243-246. doi: 10.1088/1674-1137/32/3/017

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Received: 2007-03-21
Revised: 2007-05-09

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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

Performance of the plugged-in ²²Na based slow positron beam facility

Corresponding author: WANG Ping,

Received Date: 2007-03-21

Accepted Date: 2007-05-09

Available Online: 2008-03-05

Abstract:

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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Performance of the plugged-in ²²Na based slow positron beam facility

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Performance of the plugged-in ²²Na based slow positron beam facility

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Performance of the plugged-in 22Na based slow positron beam facility

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Performance of the plugged-in 22Na based slow positron beam facility

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Performance of the plugged-in ²²Na based slow positron beam facility

Performance of the plugged-in ²²Na based slow positron beam facility