Bunch Length Measurement of BEPC with a Streak Camera

ZHAO Zheng; GUO Zhi-Yuan; LIU De-Kang; MA Li; QIN Qing; WANG Jiu-Qing; XU Gang

Chinese Physics C> 2003, Vol. 27> Issue(4) : 359-362

Bunch Length Measurement of BEPC with a Streak Camera

Institute of High Energy Physics, CAS, Beijing 100039, China

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Abstract：
In the BEPC electron positron storage ring, the bunch length and its lengthening are quite important characters. It determines the efficiency of getting physical events and the luminosities achievable, and it plays a key role in the upgrade of BEPC. Because of advantages of precision and visualisation, streak camera is commonly used to measure the beam length in accelerators. In this paper we describe the operation principle, the features and the basic system configuration of the streak camera. The systematic and random errors in the measurement are analysed. Some typical results of measurement in recent years are presented.

References

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. http: //usa.Hamamatsu.com /sys- streak /operation /operation.htm 2. LIU DeKang et al.Proceedings of the Workshop on BEPC Performance.1996 3. GUO ZhiYuan et al.Proceedings of the Workshop on BEPC Performance.1996 4. QIN Qing et al.Nuclear Instruments and Methods in Physics Research.2001,A463:77—85 5. BOUSSARD D .CERN Lab.Ⅱ/RF /Int.75-2,1975

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ZHAO Zheng, GUO Zhi-Yuan, LIU De-Kang, MA Li, QIN Qing, WANG Jiu-Qing and XU Gang. Bunch Length Measurement of BEPC with a Streak Camera[J]. Chinese Physics C, 2003, 27(4): 359-362.

ZHAO Zheng, GUO Zhi-Yuan, LIU De-Kang, MA Li, QIN Qing, WANG Jiu-Qing and XU Gang. Bunch Length Measurement of BEPC with a Streak Camera[J]. Chinese Physics C, 2003, 27(4): 359-362. shu

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Received: 2002-05-13
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Bunch Length Measurement of BEPC with a Streak Camera

Corresponding author: ZHAO Zheng,

Institute of High Energy Physics, CAS, Beijing 100039, China

Received Date: 2002-05-13
Accepted Date: 1900-01-01
Available Online: 2003-04-05

Abstract: In the BEPC electron positron storage ring, the bunch length and its lengthening are quite important characters. It determines the efficiency of getting physical events and the luminosities achievable, and it plays a key role in the upgrade of BEPC. Because of advantages of precision and visualisation, streak camera is commonly used to measure the beam length in accelerators. In this paper we describe the operation principle, the features and the basic system configuration of the streak camera. The systematic and random errors in the measurement are analysed. Some typical results of measurement in recent years are presented.