SIMION simulation of a slow pulsed positron beam

XU Hong-Xia; LIU Jian-Dang; GAO Chuan-Bo; WENG Hui-Min; YE Bang-Jiao

doi:10.1088/1674-1137/36/3/011

Chinese Physics C> 2012, Vol. 36> Issue(3) : 251-255 DOI: 10.1088/1674-1137/36/3/011

SIMION simulation of a slow pulsed positron beam

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A new slow pulsed positron beam, including a positron source, a moderator, a chopper, a pre-buncher, a main-buncher and a sample chamber, etc, has been installed and tested. It is necessary to simulate the acceleration, transportation and space focusing of positrons to meet the needs of beam debugging and further positron annihilation experiments. The result from SIMION simulations shows that the radius of the focused positron beam is less than 5 mm, which is further confirmed in our practical debugging process.

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XU Hong-Xia, LIU Jian-Dang, GAO Chuan-Bo, WENG Hui-Min and YE Bang-Jiao. SIMION simulation of a slow pulsed positron beam[J]. Chinese Physics C, 2012, 36(3): 251-255. doi: 10.1088/1674-1137/36/3/011

XU Hong-Xia, LIU Jian-Dang, GAO Chuan-Bo, WENG Hui-Min and YE Bang-Jiao. SIMION simulation of a slow pulsed positron beam[J]. Chinese Physics C, 2012, 36(3): 251-255. doi: 10.1088/1674-1137/36/3/011 shu

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Received: 2011-06-01
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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

SIMION simulation of a slow pulsed positron beam

Corresponding author: YE Bang-Jiao,

Received Date: 2011-06-01

Accepted Date: 1900-01-01

Available Online: 2012-03-01

Abstract: A new slow pulsed positron beam, including a positron source, a moderator, a chopper, a pre-buncher, a main-buncher and a sample chamber, etc, has been installed and tested. It is necessary to simulate the acceleration, transportation and space focusing of positrons to meet the needs of beam debugging and further positron annihilation experiments. The result from SIMION simulations shows that the radius of the focused positron beam is less than 5 mm, which is further confirmed in our practical debugging process.

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SIMION simulation of a slow pulsed positron beam

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通讯作者: 陈斌, bchen63@163.com

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