NDLI: Effective source of sharp focused electromagnetic radiation of electrons with moderate relativistic energy

Content Provider	IEEE Xplore Digital Library
Author	Grishin, V. Likhachev, S.
Copyright Year	2003
Description	Author affiliation: Inst. of Nucl. Phys., Lomonosov Moscow State Univ., Russia (Grishin, V.; Likhachev, S.)
Abstract	The new circulation scheme of intense bremsstrahlung source with a sharp directed flow of X-ray and gamma-photons is proposed. In traditional sources the summary output, due to notable self-absorption of generated photon in target, makes no more than 1/3 from all radiative electron losses. Besides because of strong electron scattering in the target material, the photon radiation happens in an angle, which is much more than an inverse electron relativistic factor. In a circulating source the thin target placed in a magnetic field is used, and electrons are radiating, multiple crossing the target. Thereof all flow of generated photons is kept, and the total radiation output essentially raises. The new configuration of magnetic fields improving the electron focusing and simultaneously reducing angular divergence of radiation is considered. Moreover the scheme permits to produce here a lateral drift that displaces circulating particles and to "clean" a target space. Computer modeling with using of the software package GEANT confirms high efficiency of proposed scheme. So the yield of hard photons in 5-degrees cone rises at order in comparison with traditional devices. Accordingly, the portion of widely dispersed radiation is reduced.
Sponsorship	U.S. Dept. of Energy Office of Naval Res. Nat. Sci. Found
Starting Page	1010
Ending Page	1012
File Size	200829
Page Count	3
File Format	PDF
ISBN	0780377389
ISSN	10633928
DOI	10.1109/PAC.2003.1289586
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic radiation Electrons Magnetic fields Particle scattering Circuits Nuclear physics Nuclear power generation Electromagnetic scattering X-ray scattering Magnetic materials
Content Type	Text
Resource Type	Article

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