Studies of a scintillator-bar detector for a neutron wall 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; WANG Jian-Song; CHEN Jun-Ling; ZHENG Chuan

doi:10.1088/1674-1137/33/7/010

Chinese Physics C> 2009, Vol. 33> Issue(7) : 557-561 DOI: 10.1088/1674-1137/33/7/010

Studies of a scintillator-bar detector for a neutron wall at an external target facility

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Abstract：
To achieve a better time resolution of a scintillator-bar detector for a neutron wall at the external target facility of HIRFL-CSR, we have carried out a detailed study of the photomultiplier, the wrapping material and the coupling media. The timing properties of a scintillator-bar detector have been studied in detail with cosmic rays using a high and low level signal coincidence. A time resolution of 80~ps has been achieved in the center of the scintillator-bar detector.

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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, WANG Jian-Song, CHEN Jun-Ling and ZHENG Chuan. Studies of a scintillator-bar detector for a neutron wall at an external target facility[J]. Chinese Physics C, 2009, 33(7): 557-561. doi: 10.1088/1674-1137/33/7/010

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Received: 2008-09-28
Revised: 2009-02-23

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沈阳化工大学材料科学与工程学院沈阳 110142

Studies of a scintillator-bar detector for a neutron wall at an external target facility

Corresponding author: YU Yu-Hong,

Received Date: 2008-09-28
Accepted Date: 2009-02-23
Available Online: 2009-07-05

Abstract:

To achieve a better time resolution of a scintillator-bar detector for a neutron wall at the external target facility of HIRFL-CSR, we have carried out a detailed study of the photomultiplier, the wrapping material and the coupling media. The timing properties of a scintillator-bar detector have been studied in detail with cosmic rays using a high and low level signal coincidence. A time resolution of 80~ps has been achieved in the center of the scintillator-bar detector.