NDLI: Implication of DC-space-charge-induced velocity spread on gyrotron gun performance

Content Provider	IEEE Xplore Digital Library
Author	Liu, C. Antonsen Jr., T.M.
Copyright Year	1973
Abstract	The confinement of mirror-trapped electrons under the influence of dc space charge and their effect on the velocity distribution in a magnetron injection gun is investigated theoretically and computationally. Most trapped electrons are found to escape from the gun due to pitch angle scattering by the spatially periodic electrostatic potential created by the forward propagating beam. However, a small portion scatters into orbits which are more deeply trapped and can escape only by striking the modulation anode. As electrons diffuse in velocity, the velocity distribution in the gun region extends toward increasing perpendicular velocity. On the other hand, the accumulation of trapped particles near the cathode induces an additional velocity spread in the main beam. Consequently, the main beam exhibits an increased velocity spread and a reduced transverse momentum when it enters the cavity.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	825
Ending Page	834
Page Count	10
File Size	333042
File Format	PDF
ISSN	00933813
Volume Number	26
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gyrotrons Electron traps Magnetic confinement Particle scattering Space charge Distributed computing Electron beams Electrostatics Orbits Anodes
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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