Low αP Mode Study of the BEPCⅡ

SUN Yi-Peng; GAO Jie

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2006, Vol. 30> Issue(S1) : 135-137

Low αP Mode Study of the BEPCⅡ

SUN Yi-Peng ^, ,
GAO Jie

Institute of High Energy Physics, CAS, Beijing 100049, China2 Key Laboratory of Heavy Ion Physics, Ministry of Education & School of Physics, Peking University, Beijing 100871, China

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Abstract：
BEPCⅡ, the upgrading project of the Beijing Electron-Positron Collider (BEPC), has been designed with a luminosity of 10³³cm^－2s^－1 at the t-charm energy regime. To increase the operating luminosity of the BEPCⅡ, a low momentum compaction factor collision mode has been studied. At the same time, the dynamic aperture of this mode has been calculated since it may not be enough as a result of the sextupole strength increasing. The corresponding luminosity of this mode is calculated through beam-beam simulations.

References

[1]	. Design Report of BEPCII (Accelerator Part), unpublished,20032. Grote H, Iselin C. The MAD Program, CERN/SL/90-13(AP)3. http: //acc-physics. kek. jp/SAD/example/design example.HTML4. YUAN Zhang et al. Phys. Rev. ST Accel. Beams, 2005, 8:074402

[1]	MI Zheng-Hui , SUN Yi , PAN Wei-Min , WANG Guang-Wei , LI Zhong-Quan , DAI Jian-Ping , MA Qiang , LIN Hai-Ying , XU Bo , HUANG Hong , WANG Qun-Yao , XU Yu-Fen , ZHAO Guang-Yuan , HUANG Tong-Ming , SHA Peng , ZHANG Xin-Ying , MENG Fan-Bo , LI Han , CHEN Xu , ZHAO Dan-Yang , ZHANG Juan , PENG Ying-Hua . A tuning system for BEPCⅡ. Chinese Physics C, 2013, 37(8): 087003. doi: 10.1088/1674-1137/37/8/087003
[2]	SUI Yan-Feng , WANG Lin , ZHAO Ying , YUE Jun-Hui , LI Xiao-Ping , CAO Jian-She , MA Li . BEPCⅡ wire scanner system. Chinese Physics C, 2010, 34(10): 1661-1664. doi: 10.1088/1674-1137/34/10/021
[3]	ZHANG Chuang . BEPCⅡ: construction and commissioning. Chinese Physics C, 2009, 33(S2): 60-64. doi: 10.1088/1674-1137/33/S2/016
[4]	WANG Guang-Wei , SHA Peng , PAN Wei-Min , SUN Yi , LI Zhong-Quan , LIU Rong , HUANG Tong-Ming , ZENG Ri-Hua , ZHAO Guang-Yuan , HUANG Hong , XU Yu-Fen , MA Qiang , LIN Hai-Ying , XU Bo , WANG Qun-Yao . Construction of the BEPCⅡ RF System. Chinese Physics C, 2008, 32(S1): 169-171.
[5]	SUN Yi-Peng , GAO Jie . Some Studies on Increasing the Luminosity of BEPCⅡ. Chinese Physics C, 2007, 31(2): 189-193.
[6]	ZHAO Ji-Jiu , WANG Chun-Hong , LEI Ge , GAO Wen-Chun , WANG Xiao-Li , LI Gang , YUE Ke-Juan , ZHAO Zhuo , LIU Jia , XU Shi-Fu , HUANG Song , XUE Peng , KONG Deng-Ming , MA Mei , WANG Jin-Can , XU Guang-Lei . BEPCⅡ Control System. Chinese Physics C, 2006, 30(11): 1100-1106.
[7]	JIN Da-Peng , GUO Ya-Nan , WANG Yi-Fang , WU Ling-Hui , LIU Zhen-An , ZHAO Di-Xin , YU Zhong-Qiang . Monte Carlo Simulation of the BEPCⅡ/BEPCⅢ Backgrounds——Touschek Effects. Chinese Physics C, 2006, 30(5): 449-453.
[8]	XING Jun , WEN Xue-Mei , Wang Xin-Hao . Operation Status of the BEPC 2002-2005. Chinese Physics C, 2006, 30(S1): 69-71.
[9]	LIU Bo , GU Meng-Ping , CHi-Yun-Long , YANG Xing-Wang , TIAN Shuang-Min . Study on BEPC Experimental Electron Gun System. Chinese Physics C, 2005, 29(5): 507-511.
[10]	LIU Jin-Tong , GEN Zhe-Qiao , SUN Xian-Jing , SUN Yao-Lin , PEI Guo-Xi . Development of the BEPCⅡ Positron Source Flux Concentrator. Chinese Physics C, 2005, 29(4): 404-407.
[11]	LIU Yu-Dong , GUO Zhi-Yuan , QIN Qing , WANG Jiu-Qing . Electron Cloud Instability Simulation Studies for BEPCⅡ. Chinese Physics C, 2004, 28(11): 1222-1226.
[12]	LIU Yu-Dong , GUO Zhi-Yuan , WANG Jiu-Qing . Simulation of the Electron Cloud Density in BEPCⅡ. Chinese Physics C, 2004, 28(3): 222-226.
[13]	PAN Wei-Min , SUN Yi , WANG Guang-Wei , Takaaki Furuya , ichi Kurokawa . Studies on Higher Order Modes in BEPCⅡ Superconducting Cavity. Chinese Physics C, 2004, 28(3): 317-320.
[14]	PEI Shi-Lun , WANG Shu-Hong , GU Peng-Da , LIU Bo . Optimization Studies on BEPCⅡ Future Pre-injector with Two SHBs. Chinese Physics C, 2004, 28(5): 549-554.
[15]	YUAN Ren-Xian , YUE Jun-Hui , CAO Jian-She , MA Li . Simulation of BEPCⅡ′s BPM. Chinese Physics C, 2004, 28(6): 664-668.
[16]	LUO Yun , HUANG Nan , WEN Xue-Mei . Coupling Measurements and Compensation for BEPC SR Mode. Chinese Physics C, 2003, 27(5): 445-448.
[17]	DAI Jian-Ping , CHAI Xue-Dong , ZHAO Zhen-Tang . Shunt Impedance and Power of the BEPC DC Separator. Chinese Physics C, 2001, 25(7): 680-683.
[18]	Wang Jiuqing , Fang Shouxian . Application of the Negahve Momentum CompactionLattice in a Tau-Charm Factory. Chinese Physics C, 1999, 23(4): 388-396.
[19]	Wang Jiuqing , Fang Shouxian . Research to the Design of a Lattice for a Collider With Negative Momentum Compaction Factor. Chinese Physics C, 1998, 22(12): 1156-1163.
[20]	Deng Jingkang , Shang Rencheng , Zhu Shengjiang , Xu Wang , Zhang Juping , Jin Qingzhen , Zhu Henian , Xia Shaojian , Yan Yonglian , Guo Yanan . Study on Polarization of BEPC Beam and a Polarimeter. Chinese Physics C, 1997, 21(6): 562-570.

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SUN Yi-Peng and GAO Jie. Low αP Mode Study of the BEPCⅡ[J]. Chinese Physics C, 2006, 30(S1): 135-137.

SUN Yi-Peng and GAO Jie. Low αP Mode Study of the BEPCⅡ[J]. Chinese Physics C, 2006, 30(S1): 135-137. shu

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Received: 2005-12-07
Revised: 1900-01-01

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Low αP Mode Study of the BEPCⅡ

SUN Yi-Peng ^,
GAO Jie

Corresponding author: SUN Yi-Peng,

Institute of High Energy Physics, CAS, Beijing 100049, China2 Key Laboratory of Heavy Ion Physics, Ministry of Education & School of Physics, Peking University, Beijing 100871, China

Received Date: 2005-12-07
Accepted Date: 1900-01-01
Available Online: 2006-01-04

Abstract: BEPCⅡ, the upgrading project of the Beijing Electron-Positron Collider (BEPC), has been designed with a luminosity of 10³³cm^－2s^－1 at the t-charm energy regime. To increase the operating luminosity of the BEPCⅡ, a low momentum compaction factor collision mode has been studied. At the same time, the dynamic aperture of this mode has been calculated since it may not be enough as a result of the sextupole strength increasing. The corresponding luminosity of this mode is calculated through beam-beam simulations.