The Magnetically Confined Electron Cloud Sustained by Thermionic Emission

YU Qing-Chang

近期发现有不法分子冒充我刊与作者联系，借此进行欺诈等不法行为，请广大作者加以鉴别，如遇诈骗行为，请第一时间与我刊编辑部联系确认（《中国物理C》（英文）编辑部电话：010-88235947,010-88236950），并作报警处理。

本刊再次郑重声明：

（1）本刊官方网址为cpc.ihep.ac.cn和https://iopscience.iop.org/journal/1674-1137

（2）本刊采编系统作者中心是投稿的唯一路径，该系统为ScholarOne远程稿件采编系统，仅在本刊投稿网网址（https://mc03.manuscriptcentral.com/cpc）设有登录入口。本刊不接受其他方式的投稿，如打印稿投稿、E-mail信箱投稿等，若以此种方式接收投稿均为假冒。

（3）所有投稿均需经过严格的同行评议、编辑加工后方可发表，本刊不存在所谓的“编辑部内部征稿”。如果有人以“编辑部内部人员”名义帮助作者发稿，并收取发表费用，均为假冒。

《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1991, Vol. 15> Issue(4) : 298-302

The Magnetically Confined Electron Cloud Sustained by Thermionic Emission

YU Qing-Chang ^,

Institute of High Energy Physics,Academia Sinica,Beijing 100039

Abstract
HTML
Reference
Related

PDF

Abstract：
The electron clouds in high vacuum which are confined by electromagnetic fields and sustained by thermionic emission are studied.The distributions of the electron density,the electron temperature,the drift angular velocity of electrons,the diffusion flow density of electrons and the electric potential in the electron cloud are discussed.

References

[1]

J. H. Malmberg and J. S. deGrassle, Phys. Rev. Lett., 35(1975), 577.[2] T. M. O'Neil and Driscoll, Phys. Fluids, 22(1979), 266.[3] S. A. Prasad and T. M. O'Neil, Phys. Fluids, 26(1983), 665.[4] 郁庆长,高能物理与核物理,14(1990),973;14(1990),1067.[5] Yu Qingchang, Relations Between Parameters of Selfsustaining Magnetically Confined Electron Cloud' and External Conditions, to be published.

[1]	SUN Qi-Long , LIN Guo-Qiang , DAI Zhi-Min . Preliminary Study of Electron Gun Based on Field Emission of Carbon Nanotubes. Chinese Physics C, 2007, 31(3): 296-299.
[2]	GUO Zhi-Yuan , LIU Yu-Dong , Qin Qing , WANG Jiu-Qing , XING Jun . The Studies of Electron Cloud Instability in the BEPC. Chinese Physics C, 2006, 30(S1): 102-104.
[3]	LIU Yu-Dong , GUO Zhi-Yuan , Qin Qing , WANG Jiu-Qing , ZHAO Zheng . Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC. Chinese Physics C, 2006, 30(3): 260-263.
[4]	XIE Ai-Gen , PEI Yuan-Ji , WANG Rong , SUN Hong-Bing . The Relation the Incident Angle of High Energy Primary Electron of Metal and Real Efficient Secondary Electron Emission Coefficient. Chinese Physics C, 2005, 29(5): 530-532.
[5]	SUN Hong-Bing , PEI Yuan-Ji , XIE Ai-Gen , WANG Rong . The Numerical Algorithm of Secondary Emission Microwave Electron Gun. Chinese Physics C, 2005, 29(1): 95-98.
[6]	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.
[7]	HE Xiao-Zhong , TANG Chuan-Xiang , HUANG Wen-Hui , LIN Yu-Zheng . Researches on Thermal Emittance of Metal Cathode in Photoinjectors. Chinese Physics C, 2004, 28(9): 1007-1012.
[8]	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.
[9]	ZHU Xiong-Wei , GUO Zhi-Yuan . Electron Trapping in Multipole Magnet. Chinese Physics C, 2004, 28(6): 650-652.
[10]	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.
[11]	GU An-Jia , DING Yuan-Tao , ZHAO Kui , ZHANG Bao-Cheng , QUAN Sheng-Wen , LU Xiang-Yang , CHEN Jia-Er . A New Measurement of Electron Beam Emittance with Cerenkov Radiation “Double Imaging” Method. Chinese Physics C, 2003, 27(2): 163-168.
[12]	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.
[13]	YU Qing-Chang . The Electron Cloud Produced by Intense Ion Beam in Penning Trap. Chinese Physics C, 1992, 16(1): 11-14.
[14]	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.
[15]	HUANG Jia-Chang . Numerical Computation of Self-sustaining Magnetically Confined Electron Clouds. Chinese Physics C, 1992, 16(4): 301-307.
[16]	YU Qing-Chang , QIU Hong , JING Yu-Hui , SHU Chuan-Yu , LI Ji-Gang , HUANG Jia-Chang , XU Jian-Ming . A Small Magnetic Confinement Device for Electron Clouds. Chinese Physics C, 1991, 15(6): 493-495.
[17]	YU Qing-Chang . THE FLUID THEORY OF SELF-SUSTAINING MAGNETICALLY CONFINED ELECTRON CLOUDS (Ⅰ) FLUID EQUATIONS. Chinese Physics C, 1990, 14(11): 973-979.
[18]	YU Qing-Chang . THE FLUID THEORY OF SELF-SUSTAINING MAGNETICALLY CONFINED ELECTRON CLOUDSⅡ.DISTRIBUTIONS OF PHYSICAL QUANTITY OF ELECTRON CLOUDS AND NUMERICAL COMPUTATIONAL METHOD. Chinese Physics C, 1990, 14(12): 1067-1072.
[19]	YU Qing-Chang . ELECTRON CLOUDS IN AXIAL SYMMETRIC SPACE-CHARGE LENSES. Chinese Physics C, 1989, 13(4): 298-301.
[20]	WEI Kai-Yu . THE MAGNETIC BOTTLE CONFINING AND COMPRESSION FOR PARTICLE AND ANTIPARTICLE BEAMS. Chinese Physics C, 1987, 11(6): 849-853.

Access

Get Citation

YU Qing-Chang. The Magnetically Confined Electron Cloud Sustained by Thermionic Emission[J]. Chinese Physics C, 1991, 15(4): 298-302.

YU Qing-Chang. The Magnetically Confined Electron Cloud Sustained by Thermionic Emission[J]. Chinese Physics C, 1991, 15(4): 298-302. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1900-01-01
Revised: 1900-01-01

Article Metric

Article Views(2414)
PDF Downloads(474)
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

The Magnetically Confined Electron Cloud Sustained by Thermionic Emission

YU Qing-Chang ^,

Corresponding author: YU Qing-Chang,

Institute of High Energy Physics,Academia Sinica,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1991-04-05

Abstract: The electron clouds in high vacuum which are confined by electromagnetic fields and sustained by thermionic emission are studied.The distributions of the electron density,the electron temperature,the drift angular velocity of electrons,the diffusion flow density of electrons and the electric potential in the electron cloud are discussed.