Study of Touschek Lifetime in SSRF Storage Ring

JIANG Bo-Cheng; ZHAO Zhen-Tang; LIU Gui-Min

Chinese Physics C> 2006, Vol. 30> Issue(7) : 693-698

Study of Touschek Lifetime in SSRF Storage Ring

Shanghai Institute of Applied Physics, CAS, Shanghai 201800, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Abstract
HTML
Reference
Related

PDF

Abstract：
Shanghai Synchrotron Radiation Facility (SSRF) is a 3rd generation synchrotron light source which is now under construction. The design emittance of the beam is 3.9nm•rad at the energy of 3.5GeV. Touschek lifetime is the dominant beam lifetime in SSRF for such a small beam emittance. The Touschek lifetime is the function of the energy acceptance of the storage ring. The energy acceptance is not only dependent on the RF voltage, but also restricted by the small physical or dynamic apertures, which makes the calculation complicated. In this paper the energy acceptances along the storage ring are calculated by the 6D tracking method based on the program Accelerator Toolbox (AT). Using those energy acceptance data, we can give a more close evaluation of the Touschek lifetime for different kind of conditions which we are interested in.

References

[1]

. Bernardini C et al. Phys. Rev. Lett., 1963, 10: 4072. Bruck H, Du J L. Proc. 5th Int.Conf. High Energy Accel-erators. Frascati, 1965. 2843. Nadji A et al. Proceedings of PAC97, 1997. 1517-15194. Boge M et al. Proceedings of PAC99, 1999. 2430-24325. Tavares P F et al. Phy. Re. ST-AB, 1998, 1: 0540016. Ohmi K et al. Phys. Rev., 1994, E49: 751

[1]	ZHANG Wen-Zhi , LIU Gui-Min , ZHAO Li-Ying , DAI Zhi-Min . Physical Design of the SSRF Timing System. Chinese Physics C, 2008, 32(S1): 109-111.
[2]	HE Xiao-Ye , WU Jun . Technological Plan of HLS in SSRF. Chinese Physics C, 2008, 32(S1): 62-64.
[3]	XU Hong-Liang , SUN Bao-Gen , ZHANG Jian-Feng , XU Bing , HUANG Gui-Rong . Prophase Study of Electron Beam Energy Calibration for HLS. Chinese Physics C, 2008, 32(S1): 136-138.
[4]	BU Ling-Shan , ZHAO Zhen-Tang , YIN Li-Xin , DU Han-Wen . Vibration Control Research for the 3rd Generation Synchrotron Light Source Storage Ring Mechanical Components. Chinese Physics C, 2008, 32(S1): 37-39.
[5]	LI Chuan , BAO Xun , WANG Ji-Gang , XUAN Ke , JIANG Si-Yuan , CAO Shu-Li , LI Wei-Min . Temperature Monitor System of HLS Storage Ring. Chinese Physics C, 2008, 32(S1): 130-132.
[6]	CHEN Ming , FENG Zi-Qiang , ZHAO Shen-Jie , ZHOU Zu-Sheng , YU Hai-Bo , HOU Hong-Tao , ZHANG Zhi-Gang , MA Guang-Ming , MAO Dong-Qing , MA Zhen-Yu , LIU Jian-Fei . RF Power Sources of the Storage Ring for SSRF. Chinese Physics C, 2008, 32(S1): 197-199.
[7]	JIANG Bo-Cheng , LIU Gui-Min , ZHAO Zhen-Tang . Simulation of a Transverse Feedback System for the SSRF Storage Ring. Chinese Physics C, 2007, 31(10): 956-961.
[8]	XU Gang , Qin Qing , YU Cheng-Hui , WANG Jiu-Qing , WANG Sheng , LIU Yu-Dong , ZHANG Yuan , CHEN Li-Min , GUO Zhi-Yuan , ZHOU De-Min , HUANG Nan , WEN Xue-Mei . Study on the Accelerator Physics Issues in the Storage Ring of BEPCⅡ. Chinese Physics C, 2006, 30(S1): 60-62.
[9]	JIAO Yi , ZHANG Lei , WANG Jiu-Qing , YUE Jun-Hui , CAO Jian-She , WANG Jun-Hua , ZHENG Kai . Application of the Turn-by-Turn Beam Position Measurements on BEPC Storage Ring. Chinese Physics C, 2006, 30(10): 1018-1021.
[10]	JIANG Bo-Cheng , LIU Gui-Min , Dai Zhi-Min , ZHAO Zhen-Tang . Calculation of Coupling Impedance of the Injection Section for the SSRF Storage Ring. Chinese Physics C, 2006, 30(S1): 22-24.
[11]	LIU Gui-Min , Dai Zhi-Min , LI Hao-Hu , LIAO Yi , JIANG Bo-Cheng , HOU Jie , ZHAO Zhen-Tang . Lattice Design for SSRF Storage Ring. Chinese Physics C, 2006, 30(S1): 144-146.
[12]	YANG Jian-Cheng , XIA Jia-Wen , WU Jun-Xia , XIA Guo-Xing , LIU Wei , YIN Xue-Jun , LIU Yong , ZHOU Xue-Mei , MAO Li-Jun . Effect of Tune Modulation on the Transverse Stability of Storage Ring. Chinese Physics C, 2004, 28(11): 1203-1208.
[13]	SUN Bao-Gen , HE Duo-Hui , XU Hong-Liang , LI Jing-Yi , JIN Zheng-Fang , LU Ping , WANG Jun-Hua , WANG Lin . Preliminary Study on Measurement of Magnetic Center of Quadrupoles Using Quadrupole Shunt for Hefei Storage Ring. Chinese Physics C, 2002, 26(4): 416-422.
[14]	LI YongJun , JIN YuMing , LI WeiMin , SUN BaoGen , YIN LiXin , LIU ZuPing , GAO Hui . Ion Trapping and the DC Ions Clearing in HLS Ring. Chinese Physics C, 2000, 24(5): 439-444.
[15]	MA Li , CAO JianShe , WANG Lin . Tune Measurements in the BEPC Storage Ring. Chinese Physics C, 2000, 24(8): 770-774.
[16]	Zhao Zhentang . HOMs Power Generated by Unequany Spaced and Populated Bunches in Storage Ring. Chinese Physics C, 1999, 23(9): 914-921.
[17]	Wang Xiangqi , Pei Yuanji , Dong Xiaoli , Xu Hongliang , Shang Lei , Wang Lin , Fan Kuanjun , Fang Zhigao , Yao Chenggui , Hu Shouming , Lou Xuefang . Research on Changes of Focusing Structure Parameters Caused by the DC-Clearing Electric Field of Storage Ring. Chinese Physics C, 1998, 22(8): 755-762.
[18]	Huang Nan , Jin Lihui , Liu Weibin , Wang Dong , Wang Jiuqing , Yu Chenghui . Study of the Lattice Design of BTCF Storage Ring. Chinese Physics C, 1998, 22(12): 1164-1173.
[19]	Ma Li , Shi Ping , Ye Kairong . Upgrade of BPM System for the BEPC Storage Ring. Chinese Physics C, 1998, 22(5): 475-480.
[20]	PEI Yuan-Ji , SHEN Xiao-Feng , XU Jian-Ming . EXPERIMENT ON THE LOSS IMPEDANCE IN AN ELECTRON STORAGE PING. Chinese Physics C, 1988, 12(2): 214-220.

Access

Get Citation

JIANG Bo-Cheng, ZHAO Zhen-Tang and LIU Gui-Min. Study of Touschek Lifetime in SSRF Storage Ring[J]. Chinese Physics C, 2006, 30(7): 693-698.

JIANG Bo-Cheng, ZHAO Zhen-Tang and LIU Gui-Min. Study of Touschek Lifetime in SSRF Storage Ring[J]. Chinese Physics C, 2006, 30(7): 693-698. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2006-01-03
Revised: 2006-02-06

Article Metric

Article Views(3585)
PDF Downloads(719)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Study of Touschek Lifetime in SSRF Storage Ring

Corresponding author: ZHAO Zhen-Tang,

Shanghai Institute of Applied Physics, CAS, Shanghai 201800, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2006-01-03
Accepted Date: 2006-02-06
Available Online: 2006-07-05

Abstract: Shanghai Synchrotron Radiation Facility (SSRF) is a 3rd generation synchrotron light source which is now under construction. The design emittance of the beam is 3.9nm•rad at the energy of 3.5GeV. Touschek lifetime is the dominant beam lifetime in SSRF for such a small beam emittance. The Touschek lifetime is the function of the energy acceptance of the storage ring. The energy acceptance is not only dependent on the RF voltage, but also restricted by the small physical or dynamic apertures, which makes the calculation complicated. In this paper the energy acceptances along the storage ring are calculated by the 6D tracking method based on the program Accelerator Toolbox (AT). Using those energy acceptance data, we can give a more close evaluation of the Touschek lifetime for different kind of conditions which we are interested in.