Performance of Beijing Intense Slow Positron Beam

CAO Xing-Zhong; WANG Bao-Yi; WANG Ping; MA Yan-Yun; QIN Xiu-Bo; WEI Long

Chinese Physics C> 2006, Vol. 30> Issue(12) : 1196-1199

Performance of Beijing Intense Slow Positron Beam

Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, CAS, Beijing 100049, China

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Abstract：
Beijing intense slow positron beam has been constructed successfully, which utilizes the pulsed electron beam of the BEPC LINAC with high energy to inject into the Ta target. The system will be used to expand the methodology research on positron beam and to study the defect of film materials. The running performance of DC positron beam will be introduced in this paper, such as the intensity, the energy spread and the beam size. As the main measurement method, Doppler broadening spectrum system of positron annihilation has also been accomplished.

References

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CAO Xing-Zhong, WANG Bao-Yi, WANG Ping, MA Yan-Yun, QIN Xiu-Bo and WEI Long. Performance of Beijing Intense Slow Positron Beam[J]. Chinese Physics C, 2006, 30(12): 1196-1199.

CAO Xing-Zhong, WANG Bao-Yi, WANG Ping, MA Yan-Yun, QIN Xiu-Bo and WEI Long. Performance of Beijing Intense Slow Positron Beam[J]. Chinese Physics C, 2006, 30(12): 1196-1199. shu

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Received: 2006-03-10
Revised: 2006-04-03

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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 Beijing Intense Slow Positron Beam

Corresponding author: WEI Long,

Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2006-03-10

Accepted Date: 2006-04-03

Available Online: 2006-12-05

Abstract: Beijing intense slow positron beam has been constructed successfully, which utilizes the pulsed electron beam of the BEPC LINAC with high energy to inject into the Ta target. The system will be used to expand the methodology research on positron beam and to study the defect of film materials. The running performance of DC positron beam will be introduced in this paper, such as the intensity, the energy spread and the beam size. As the main measurement method, Doppler broadening spectrum system of positron annihilation has also been accomplished.

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Performance of Beijing Intense Slow Positron Beam

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