Nonlinear Space Charge Effects and Emittance Growth in Linac

Chen Yinbao; Huang Zhibin

Chinese Physics C> 1999, Vol. 23> Issue(12) : 1231-1242

Nonlinear Space Charge Effects and Emittance Growth in Linac

Chen Yinbao ^, ,
Huang Zhibin

China Institute of Atomic Energy, Beokomg 102413

Abstract
HTML
Reference
Related

PDF

Abstract：
The nonlinear space charge effect of bunched beam in linac is one of the important reasons that induce the emittance growth. The general formulas for calculating the potential of space charge with nonuniform distribuhon in surrounding structure are presented. For a bunched beam with different distribuhon in waveguide of linac, the expresses of the nonlinear field energy of a cylinder model of space charge are derived, and the numerical results of the nonlinear field energy for different density distributions are given. The emittance growthes caused by these nonuniformities are discussed.

References

[1]

Lapostolle M. IEEE Trans. Nucl. Sci., 1971, 18: 1101–11032 Sacherer F. IEEE Trans. Nucl. Sci., 1971, 18: 1105–1107 3 Struckmeier J, klabunde J, Reiser M. Part. Acc., 1984, 15:47–654 Wangler T P, Crandall K R. Mills R S et al. IEEE Trans. Nucl. Sci., 1985, 32:2196–2198 5 Hofmann I, Struckmeier J. Part. Acc., 1987, 21:69–986 Wangler T P, Lapostolle P, Lombardi A. Space–Charge–Induced Emittance Growth in An Elliptical Beamwith A Parabolic Density Distribution. In: Corneliussen S T ed. Conference Record of the IEEE 1993Particle Accelerator Conference, 93CH3279–7, Vo1.5. NJ: Institute of Electrical and Electronics Engineers,Inc., IEEE Service Center, 1993, 3606–36087 Reiser M. Theory and Design of Charged Particle Beams. New York: John Wiley Sons, Inc., 1994. 467–5638 Chen Yinbao, Xie Xi. Chin. J. Nucl. Phys.(in Chinese), 1979,1: 107–128 (陈银宝,谢羲.原子核物理,1979,1:107–128) 9 Hechtel J. IEEE Trans. on Electron Devices, 1970, 15:999–1009 10 Chen Yinbao. Nonlinear Space Charge Effects of Bunched Beam in Linac. Beijing: Atomic Energy Press,1992. 1–15 11 Chen Yinbao, Fu Sinian, Huang Zhibin et al. Chin. J. Nucl. Phys., 1995, 17(1):81–88 12 Chen Yinbao, Fu Sinian, Huang Zhibin et al. Chin. J. Nucl. Phys., 1995, 17(2):174–178

[1]	HOU Mi , PEI Guo-Xi , . Modeling of the RF System for the Normal Conducting Linac. Chinese Physics C, 2008, 32(1): 56-59. doi: 10.1088/1674-1137/32/1/013
[2]	G.D.Alton , H.Bilheux . Elementary Theory for Optimum Extraction of Space-Charge-Dominated Ion Beams from Plasma Boundaries. Chinese Physics C, 2007, 31(S1): 201-205.
[3]	WEN Yong-Wu , WEN Xu , LIU Jian-Xin . Microwave System of Medical Standing Electron Linear Accelerator. Chinese Physics C, 2007, 31(7): 683-685.
[4]	GEN Zhe-Qiao , HOU Mi , PEI Guo-Xi . PAD Design for the Phasing System of BEPCⅡ Linac. Chinese Physics C, 2006, 30(2): 151-154.
[5]	YU Hai-Jun , LI Yu-Xiong , SHI Jin-Shui , LI Qin , CHEN Nan . Experimental Measurement of X-ray Energy Spectrum for 12 MeV LIA. Chinese Physics C, 2006, 30(S1): 90-92.
[6]	CHEN Yan-Wei , WANG Shu-Hong , PEI Guo-Xi , LIU Wei-Bin , YE Qiang . Beam Commissioning of BEPCII Injector Linac. Chinese Physics C, 2006, 30(6): 562-565.
[7]	ZHAO Feng-Li , HOU Mi , ZHAO Yan-Ping , LIU Jin-Tong , ZHANG Jing-Ru , ZHOU Yao-Xiang , HAN Da-Wei . Microwave System for BEPCⅡ-Linac. Chinese Physics C, 2006, 30(2): 155-158.
[8]	PEI Shi-Lun , WANG Shu-Hong . Transient Beam Loading Effects on Standing Wave Cavities in Linear Accelerators. Chinese Physics C, 2006, 30(5): 454-461.
[9]	GU Peng-Da , GEN Zhe-Qiao , CUI Yan-Yan , PEI Guo-Xi , WANG Shu-Hong . Design Studies of RF Phasing System for BEPCII Linac. Chinese Physics C, 2005, 29(3): 316-320.
[10]	WANG Fa-Ya . Design of Accelerating Structure on a Novel Compact Electron Linac. Chinese Physics C, 2004, 28(10): 1109-1115.
[11]	XING Qing-Zi , FU Shi-Nian , LIN Yu-Zheng , FANG Shou-Xian . Calculation of Beam Acceptance for RFQ Accelerators. Chinese Physics C, 2003, 27(7): 628-632.
[12]	OUYANG Hua-Fu , YU Qing-Chang . Study on the Section-Division of Superconducting Proton Linac. Chinese Physics C, 2001, 25(12): 1225-1230.
[13]	Zhou Linong , Zhang Mutian , Luo Zihua , Yu Qingchang , Kong Dengming , Qiao Jimin . Preliminary Design of a Dedicated Proton Therapy Linac. Chinese Physics C, 1998, 22(11): 1042-1049.
[14]	Chen Yinbao , Huang Zhibin , FuShinian . Scaling Law of Emittance Growth for Bunched Beam with Gaussian Density Distribution in Both Longitudinal and Transverse Directions in Linac. Chinese Physics C, 1997, 21(7): 657-663.
[15]	WANG Shu-Hong , ZHOU Qing-Yi , WAN Heng-Fang , ZHANG Hua-Shun , XIAO Lian-Rong , XUE Jing-Xuan , JIN Qing-Shou , ZHANG Cheng-Xian , LUO Zi-Hua , KE Xue-Yao , LIU Dian-Kui , HE Wei-Ning . The Performance Improvement and Its Application of Beijing Proton Linac. Chinese Physics C, 1991, 15(8): 680-688.
[16]	ZHUANG Pen-Fei , LIU Lian-Shou . TARGET MASS DEPENDENCE AND NON-LINEAR EFFECTS IN HIGH ENERGY HEAVY ION COLLISIONS. Chinese Physics C, 1990, 14(3): 240-246.
[17]	LUO Ying-Xiong , WU Wen-Tai . ON THE EQUATION OF TRANSVERSE MOTION IN ELECTRON LINAC. Chinese Physics C, 1985, 9(1): 116-119.
[18]	WEI Kai-Yu , LIN Zhen-Hua . THE DESIGN AND STUDY OF SPACE CHARGE EFFECT FOR THE BPL 750keV BEAM TRANSPORT SYSTEM. Chinese Physics C, 1984, 8(5): 588-595.
[19]	FANG SHOU-XIAN . COMPENSATION OF THE SPACE CHARGE FORCE IN A SYNCHROTRON BY MEANS OF RF QUADRUPOLE. Chinese Physics C, 1981, 5(2): 169-175.
[20]	Yu Qing-chang . THEORY OF NONLINEAR SPACE-CHARGE EFFECTS OF LOW ENERGY INTENSE CHARGED PARTICLE BEAMS. Chinese Physics C, 1980, 4(5): 579-587.

Access

Get Citation

Chen Yinbao and Huang Zhibin. Nonlinear Space Charge Effects and Emittance Growth in Linac[J]. Chinese Physics C, 1999, 23(12): 1231-1242.

Chen Yinbao and Huang Zhibin. Nonlinear Space Charge Effects and Emittance Growth in Linac[J]. Chinese Physics C, 1999, 23(12): 1231-1242. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1998-11-02
Revised: 1900-01-01

Article Metric

Article Views(3180)
PDF Downloads(611)
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

Nonlinear Space Charge Effects and Emittance Growth in Linac

Chen Yinbao ^,
Huang Zhibin

Corresponding author: Chen Yinbao,

China Institute of Atomic Energy, Beokomg 102413

Received Date: 1998-11-02
Accepted Date: 1900-01-01
Available Online: 1999-12-05

Abstract: The nonlinear space charge effect of bunched beam in linac is one of the important reasons that induce the emittance growth. The general formulas for calculating the potential of space charge with nonuniform distribuhon in surrounding structure are presented. For a bunched beam with different distribuhon in waveguide of linac, the expresses of the nonlinear field energy of a cylinder model of space charge are derived, and the numerical results of the nonlinear field energy for different density distributions are given. The emittance growthes caused by these nonuniformities are discussed.