A New Physical Image on Backstreaming Ions

LONG Ji-Dong; LIN Yu-Zheng; SHI Jin-Shui; YU Hai-Jun

Chinese Physics C> 2005, Vol. 29> Issue(12) : 1185-1189

A New Physical Image on Backstreaming Ions

Abstract
HTML
Reference
Related

PDF

Abstract：
Backstreaming ions issue is a major concern for new generation radiography facilities based on LIA (linear induction accelerator). Its theory based on dynamics of single particle driving by beam charge field predicts that the ions could bring adverse effect on beam focus, resulting in degrade of radiography resolution. The predicted phenomena have not been observed until now. A new physical image on ions movement is presented here. Through analysis, it is found that an ions sheath transition zone could form between the target surface and the plasma. The sheath zone could counteract the beam space charge field applied on the positive ions. So using mass movement of diffusion to study ions behavior may be more proper. A verification experiments on the new image is also given in the end.

References

[1]

. Burns M J et al. DARHT Accelerators Update and Plansfor Initial Operation. In: Proceedings of the 1999 ParticleAccelerator Conference. New York, U S, 1999. 6172. Merle E et al. Status of the AIRIX Accelerator. In: Pro-ceedings of the 1999 Particle Accelerator Conference. NewYork, U S, 1999. 32603. DENG Jian-Jun et al. High Power Laser and ParticleBeams, 2003, 15(5):502—504(in Chinese)(邓建军等.强激光与粒子束，2003, 15(5): 502-504)4. Welch D R, Hughes T P. Laser and Particle Beam, 1997,16(2): 285—2945. Sampayan S, Buckles R, Caporaso G et al. Beam-TargetInteraction Experiments for Bremsstrahlung Converter Ap-plications. PAC99, 1303—13056. Vermare C, Davis H A, Moir D C. Physics of Plasmas, 2003,10(1): 277—2847. LONG J D. Study on Backstreaming Ions Issue and SomeOthers of The Target Zone in Linear Induction Accelerator.PhD Thesis. Tsinghua, 2005(in Chinese)(龙继东.直线感应加速器中靶区回流离子等若干物理问题研究.博士论文.清华大学，2005)8. Kwan T J. IEEE Transactions on Plasma Science, 2000,28(1): 268—2709. Oliver B V, Welch D R, Hughes T P. Beam-Target Inter-action in Single- and Multi-Pulse Radiography. UCRL-CR-13427110. LONG J D. HEP NP, 2005, 29(5): 501—506(in Chinese)(龙继东.高能物理与核物理，2005, 29(5): 501-506)11. Mesyats G A, Proskurovsky D I. Pulsed Electrical Dis-charge in Vacuum. Springer-verlag, 1989. 192—19812. Hallal M P. The Onset of Breakdown in a Fast Pulsed Vac-uum Diode. Naval Postgraduate School, Monterey, Califor-nia, 199113. Willis G. Investigation of Onset of Plasma Formation atAnode of Fast-Pulsed High Voltage Vacuum Diodes. NavalPostgraduate School, Monterey, California, 199314. Wright C M. Time Resolved Measurements of Light Pro-duced by Onset of Plasma Formation on Electrodes of FastPulsed High Voltage Diodes. Naval Postgraduate School,Monterey, California, 199315. XU Xue-Ji, ZHU Ding-Chang. Gas Discharge Physics.Shanghai: Press of Shanghai University, 1995. 148—151(in Chinese)(徐学基，诸定昌.气体放电物理.上海:复旦大学出版社，1995:148-151)16. YANG Jin-Ji. Gas Discharge. Beijing: Science Press, 1983.50(in Chinese)(杨津基.气体放电.北京:科学出版社,1983. 50)17. XIANG Zhi-Lin, YU Chang-Xuan. High Temperature Plasma Diagnostics Techniques (The Second). Shanghai:Press of Shanghai Science and Technology, 1982. 113(in Chinese)(项志遴，俞昌旋.高温等离子体诊断技术(下册).上海:上海科学技术出版社，1982. 113)

[1]	ZHAO Jie , PENG Shi-Xiang , LU Yuan-Rong , GUO Zhi-Yu . Control System of a Low-Energy High-Current Ion Beam Transport Test Bench. Chinese Physics C, 2008, 32(S1): 115-117.
[2]	GUO Zhi-Yu , XU Rong , MING Jian-Chuan , ZOU Yu-Bin , GAO Shu-Li , ZHAO Jie , PENG Shi-Xiang , WU Wen-Zhog , QIAN Feng , SONG Zhi-Zhong , YU Jin-Xiang , YUAN Zhong-Xi , YU Mao-Lin . Measurement Techniques of High-Current Ion Beam Emittance. Chinese Physics C, 2008, 32(S1): 148-150.
[3]	GAO Hui , XIAO Guo-Qing , ZHANG Feng-Shou . Production Cross Section of Neutron Cluster from the Reaction of Light Neutron Rich Nuclei. Chinese Physics C, 2006, 30(4): 314-316.
[4]	LIU Lang , WANG Pei-Wei , CHEN Hong , MENG Jie . Investigation of α-Clustering Structure in Light Nuclei with RMF+SLAP Method. Chinese Physics C, 2006, 30(S2): 227-229.
[5]	LONG Ji-Dong , SHI Jin-Shui , YU Hai-Jun , LIN Yu-Zheng . Study On Character of Backstreaming Ions Source. Chinese Physics C, 2005, 29(5): 501-506.
[6]	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.
[7]	TAO XiaoPing , PENG ShiXiang . Experimental Study on a New LaMo Cathode of High Current Ion Source. Chinese Physics C, 2000, 24(8): 767-769.
[8]	Yu Youwen , Zhang Zongye , Yuan Xiuqing . Study of Six Quark Cluster States in Chiral SU(3) Quark Model. Chinese Physics C, 1999, 23(9): 859-864.
[9]	Li Junqing , Yuan Xiuqing , Liu Jianye , Zhu Jieding . Behavior of Individual Nucleon in Intermediate Energy Heavy Ion Reactions. Chinese Physics C, 1996, 20(9): 839-846.
[10]	Ji Daren , Ying Heping , Chen Feng , Zhang Jianbo . Cluster Monte-Carlo Algorithm for the Study of Quantum X-Y Model. Chinese Physics C, 1995, 19(1): 42-48.
[11]	Liu Yiming , Zhang Weigang , Huo Lei , Wang Shan . Transverse Motion Correlations of Collective Flow in Relativistic Heavy Ion Collisions. Chinese Physics C, 1994, 18(6): 511-517.
[12]	LI Shiqing , XU Dingan , LIU Fuqing . Study of 3-α Cluster Ground State Using CHHE-MRT Method. Chinese Physics C, 1993, 17(12): 1116-1119.
[13]	YU Qing-Chang , HUANG Jia-Chang . On The Motion of Ions in The Self-sustaining Magnetically Confined Electron Cloud. Chinese Physics C, 1992, 16(4): 308-311.
[14]	YU Qing-Chang . The Electron Cloud Produced by Intense Ion Beam in Penning Trap. Chinese Physics C, 1992, 16(1): 11-14.
[15]	MA Bo-Qiang , SUN Ji . RESEARCHES ON THE KINEMATICS MODIFICATION OF THE IMPULSE APPROXIMATION. Chinese Physics C, 1987, 11(3): 430-432.
[16]	XU GONG-OU , WANG SHUN-JIN . THE CENERATOR COORDINATE METHOD AND NUCLEAR COLLECTIVE MOTIONS——V. THE RELATIVE TRANSLATIONAL MOTION IN HEAVY-ION COLLIONS. Chinese Physics C, 1982, 6(2): 243-246.
[17]	LUO ZI-HUA , LUO YING-XIONG , WANG LIN-LIN . STUDY OF THE BEAM TRAMSVERSE MOTION IN THE RFQ STRUCTURE. Chinese Physics C, 1982, 6(6): 688-696.
[18]	Chen Jia-er . THE MOTION OF IONS IN RF ION BEAM CHOPPERS. Chinese Physics C, 1980, 4(3): 401-404.
[19]	Wu Xi-zhen , Zhuo Yi-zhong . STUDYING NUCLEAR FISSION RATE FROM THE POINT OF VIEW OF BROWNIAN MOTION. Chinese Physics C, 1980, 4(1): 113-120.
[20]	CHEN BAO-QIU , LI ZHU-XIA , JIN KING-NAN . ON THE RELATIVE WAVE FUNCTION OF α-AND d-CLUSTERS IN ⁶Li. Chinese Physics C, 1979, 3(2): 226-231.

Access

Get Citation

LONG Ji-Dong, LIN Yu-Zheng, SHI Jin-Shui and YU Hai-Jun. A New Physical Image on Backstreaming Ions[J]. Chinese Physics C, 2005, 29(12): 1185-1189.

LONG Ji-Dong, LIN Yu-Zheng, SHI Jin-Shui and YU Hai-Jun. A New Physical Image on Backstreaming Ions[J]. Chinese Physics C, 2005, 29(12): 1185-1189. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2005-03-04
Revised: 1900-01-01

Article Metric

Article Views(1371)
PDF Downloads(601)
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, [email protected]

1.
沈阳化工大学材料科学与工程学院沈阳 110142

A New Physical Image on Backstreaming Ions

Corresponding author: LONG Ji-Dong,

Received Date: 2005-03-04

Accepted Date: 1900-01-01

Available Online: 2005-12-05

Abstract: Backstreaming ions issue is a major concern for new generation radiography facilities based on LIA (linear induction accelerator). Its theory based on dynamics of single particle driving by beam charge field predicts that the ions could bring adverse effect on beam focus, resulting in degrade of radiography resolution. The predicted phenomena have not been observed until now. A new physical image on ions movement is presented here. Through analysis, it is found that an ions sheath transition zone could form between the target surface and the plasma. The sheath zone could counteract the beam space charge field applied on the positive ions. So using mass movement of diffusion to study ions behavior may be more proper. A verification experiments on the new image is also given in the end.

HTML

Reference (1)

A New Physical Image on Backstreaming Ions

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, [email protected]

Email This Article