SHAPE MEASUREMENT OF SYNCHROTRON RADIATION WITH HIGH TIME RESOLUTION

CAO Zhong; LIU Wei-Ren; WANG Li-Lie; XIE Shi-Liang; JIANG Li-Ping; DING Mei-Song; ZHAO Ji-Lai; REN You-Lai; SHAN Bing; ZHAO Zheng; CUI Ming-Qi

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1990, Vol. 14> Issue(8) : 677-683

SHAPE MEASUREMENT OF SYNCHROTRON RADIATION WITH HIGH TIME RESOLUTION

China Institute of Atomic Energy,Beijing1 Xian Institute of Optics and Precision Mechanics2 Institute of High Energy Physics,Academia Sinica,Beijing

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Abstract：
By using BWS-5k II streak camera made in China,we have measured the time structure of Synchrotron Radiation (SR) from the relatrivistic electron and positron beam bunches of Beijing Electron Positron Collider (BEPC).The dependence of SR width to the intensity of beam current and the voltage of RF source was also measured.The main data taken with 30ps time resolution in the experiment are as follows: The length of VR at E_e=1.549GeV is changed from 220ps to 670ps when the average beam current from 2mA to 30mA,the variation range of CR length at 20mA beam current is 500—700ps with RF source voltage varying between 250kV and 500kV.The time calibration uncertainty of the experiment is ±15%.The trigger jitter is less than ±200ps.

References

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[2]	JIA Yong , WANG Ru-Mei , XIANG Shi-Biao . The Study of a Top-Higgs Production Process in LC. Chinese Physics C, 2005, 29(10): 937-939.
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[17]	LI Jian-Ping , TANG Yue-Li , LIU Shu-Dong , JIANG Wen-Gui , LEI Chuan-Heng , SHAO Bei-Bei , LI Tie-Hui , CAI Xiao-Ping , ZHANG Qing-Jiang . Measurement of Radiation Dose Level of Synchrotron Radiation Experimental Hall of BEPC. Chinese Physics C, 1992, 16(2): 105-112.
[18]	LI Jin , MAO Ze-Pu . The Measurement of Bunch Length of Beijing Electron Positron Collider. Chinese Physics C, 1991, 15(5): 385-390.
[19]	PEI Guo-Xi , XIE Jia-Lin , ZHOU Shu , SUN Song-Lan . OPTIMIZATION OF BEPC POSITRON SOURCE. Chinese Physics C, 1990, 14(2): 110-117.
[20]	XIE Jia-Lin . ON THE AVERAGE LUMINOSITY OF ELECTRON POSITRON COLLIDER AND POSITRON-PRODUING ENERGY. Chinese Physics C, 1985, 9(5): 577-585.

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CAO Zhong, LIU Wei-Ren, WANG Li-Lie, XIE Shi-Liang, JIANG Li-Ping, DING Mei-Song, ZHAO Ji-Lai, REN You-Lai, SHAN Bing, ZHAO Zheng and CUI Ming-Qi. SHAPE MEASUREMENT OF SYNCHROTRON RADIATION WITH HIGH TIME RESOLUTION[J]. Chinese Physics C, 1990, 14(8): 677-683.

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

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

SHAPE MEASUREMENT OF SYNCHROTRON RADIATION WITH HIGH TIME RESOLUTION

Corresponding author: CAO Zhong,

China Institute of Atomic Energy,Beijing1 Xian Institute of Optics and Precision Mechanics2 Institute of High Energy Physics,Academia Sinica,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1990-08-05

Abstract: By using BWS-5k II streak camera made in China,we have measured the time structure of Synchrotron Radiation (SR) from the relatrivistic electron and positron beam bunches of Beijing Electron Positron Collider (BEPC).The dependence of SR width to the intensity of beam current and the voltage of RF source was also measured.The main data taken with 30ps time resolution in the experiment are as follows: The length of VR at E_e=1.549GeV is changed from 220ps to 670ps when the average beam current from 2mA to 30mA,the variation range of CR length at 20mA beam current is 500—700ps with RF source voltage varying between 250kV and 500kV.The time calibration uncertainty of the experiment is ±15%.The trigger jitter is less than ±200ps.