Studies of timing properties for a TOF counter at an external target facility

YU Yu-Hong; XU Hua-Gen; XU Hu-Shan; ZHAN Wen-Long; SUN Zhi-Yu; GUO Zhong-Yan; HU Zheng-Guo; CHEN Jun-Ling; TANG Shu-Wen

doi:10.1088/1674-1137/33/9/014

Chinese Physics C> 2009, Vol. 33> Issue(9) : 781-784 DOI: 10.1088/1674-1137/33/9/014

Studies of timing properties for a TOF counter at an external target facility

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Timing and amplitude properties of a prototype scintillator TOF counter at an external target facility are studied with a cosmic rays test. The dependence of signal pulse height and time resolution on the coordinate along the scintillator TOF counter is investigated with two different discriminators. A time resolution of 165 ps can be achieved at the center of the counter with a constant fraction discriminator. Time resolution better than 150 ps is obtained at the center with a leading edge discriminator after time walk correction is applied for off-line analysis.

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YU Yu-Hong, XU Hua-Gen, XU Hu-Shan, ZHAN Wen-Long, SUN Zhi-Yu, GUO Zhong-Yan, HU Zheng-Guo, CHEN Jun-Ling and TANG Shu-Wen. Studies of timing properties for a TOF counter at an external target facility[J]. Chinese Physics C, 2009, 33(9): 781-784. doi: 10.1088/1674-1137/33/9/014

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Received: 2008-12-15
Revised: 2009-03-09

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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

Studies of timing properties for a TOF counter at an external target facility

Corresponding author: YU Yu-Hong,

Received Date: 2008-12-15

Accepted Date: 2009-03-09

Available Online: 2009-09-05

Abstract:

Timing and amplitude properties of a prototype scintillator TOF counter at an external target facility are studied with a cosmic rays test. The dependence of signal pulse height and time resolution on the coordinate along the scintillator TOF counter is investigated with two different discriminators. A time resolution of 165 ps can be achieved at the center of the counter with a constant fraction discriminator. Time resolution better than 150 ps is obtained at the center with a leading edge discriminator after time walk correction is applied for off-line analysis.

Studies of timing properties for a TOF counter at an external target facility

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通讯作者: 陈斌, bchen63@163.com

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Studies of timing properties for a TOF counter at an external target facility

Corresponding author: YU Yu-Hong,

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