Study on Background Radiation at Beijing Electron Positron Collider and Radiation Damage of High-Z Scintillation Crystals

CHEN Yu; DAI Chang-Jiang; GU Yi-Fan; LEI Zhuan-Heng; LI Jian-Ping; LIU Shu-Dong; SHAO Bei-Bei; TANG Yue-Li

Chinese Physics C> 1993, Vol. 17> Issue(8) : 673-679

Study on Background Radiation at Beijing Electron Positron Collider and Radiation Damage of High-Z Scintillation Crystals

Institue of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
A systematic study of radiation backgrounds in the interaction region at the Beijing e⁺e^－ Collider BEPC is carried out for the first time to the needs of particle physics experiment.An effective method to study dynamically the radiation environment of the collider is successfully developed which allows the measurement of the instantaneous radiation dose rate and is distribution for different beam conditions and as a function of time during a quiet luminosity run.The radiation sensitivity of domestic BGO and BaF₂ crystals in the BEPC environment is examined.

References

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[5]	WANG Sheng , FANG Shou-Xian , ZHANG Chuang . Beam-Beam Study in Beijing Electron Positron Collider mini-β Scheme. Chinese Physics C, 2001, 25(8): 780-786.
[6]	Ma Boqiang . High Precision Test of QCD at Beijing Electron Positron Collider. Chinese Physics C, 1999, 23(9): 922-925.
[7]	Zhou Feng . Study of BEPC Impedance. Chinese Physics C, 1998, 22(8): 739-744.
[8]	Li Yun , Wang Guangwei . Research of Bunch Lengthening of BEPC Ring by Many-Particle Simulation. Chinese Physics C, 1996, 20(10): 950-956.
[9]	Zhao Jijiu , Geng Xiaosong , Yu Yulan , Wang Bingfeng , Wang Chunhong , Xu Jingwei , Liu Wei , Luo Huiying , Wang Yaru , Lu Jihua , Yan Yonghe , Zhan Mingchuan , Wang Youheng . Upgrading at the BEPC Control System. Chinese Physics C, 1996, 20(8): 756-762.
[10]	Guo Zhiyuan , Qin Qing , Zhang Chuang . Study of Bunch Lengthening at BEPC. Chinese Physics C, 1996, 20(11): 1034-1040.
[11]	Li Guangxiao , Fang Shouxian . Realizability of the Permanent Magnet Mini-β Scheme for the Beijing Electron Positron Collider. Chinese Physics C, 1995, 19(10): 952-958.
[12]	HONG Rong , WU Ying-Rong , CHAO Zhi-Yu , XIAO Yanan , LI Xue-Jun . Beam Centre Monitoring of 4W1A Beam Line at BEPC and The Observation of XRF Spectra Signal to Noise Ratio. Chinese Physics C, 1993, 17(5): 403-406.
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[14]	LIU Nian-Zong , ZHANG Cai-Di , ZHENG Lin-Sheng , HU Li-Dong , ZHAO Xiao-Jian , ZHONG Xue-Chu , DENG Hu , ZHU Shan-Gen , ZHANG Ge , ZHANG Zhu-Xiang , ZHANG Liang-Sheng , ZHOU Yong-Shen , XU Jian-Guo , TAN Yi-Ping , HAN Shu-Rong , HAN Ying , BAO Xiu-Min . The Test Beam on BEPC and Physics Works on It. Chinese Physics C, 1992, 16(11): 965-977.
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[17]	LI Jin , MAO Ze-Pu . The Measurement of Bunch Length of Beijing Electron Positron Collider. Chinese Physics C, 1991, 15(5): 385-390.
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CHEN Yu, DAI Chang-Jiang, GU Yi-Fan, LEI Zhuan-Heng, LI Jian-Ping, LIU Shu-Dong, SHAO Bei-Bei and TANG Yue-Li. Study on Background Radiation at Beijing Electron Positron Collider and Radiation Damage of High-Z Scintillation Crystals[J]. Chinese Physics C, 1993, 17(8): 673-679.

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Received: 1900-01-01
Revised: 1900-01-01

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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

Study on Background Radiation at Beijing Electron Positron Collider and Radiation Damage of High-Z Scintillation Crystals

Corresponding author: CHEN Yu,

Institue of High Energy Physics,Academia Sinica,Beijing 100039

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1993-08-05

Abstract: A systematic study of radiation backgrounds in the interaction region at the Beijing e⁺e^－ Collider BEPC is carried out for the first time to the needs of particle physics experiment.An effective method to study dynamically the radiation environment of the collider is successfully developed which allows the measurement of the instantaneous radiation dose rate and is distribution for different beam conditions and as a function of time during a quiet luminosity run.The radiation sensitivity of domestic BGO and BaF₂ crystals in the BEPC environment is examined.

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Study on Background Radiation at Beijing Electron Positron Collider and Radiation Damage of High-Z Scintillation Crystals

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