Production of x-rays by the interaction of charged particle beams with periodic structures and crystalline materials

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The authors describe their recent experimental study of the production of x-rays by an electron beam interacting with a crystal lattice, i.e. parametric x-ray (PX) generation. In this radiation process, the virtual photon field associated with a relativistic electron traveling in a crystal is diffracted by the crystal lattice in the same way that real x-rays are diffracted by crystals. The radiation produced satisfies the Bragg condition associated with the diffraction of the virtual photons which are nearly parallel to the velocity of the electrons. This phenomenon is associated with a more general class of radiation production mechanisms which include ... continued below

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12 p.

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Rule, D.W.; Fiorito, R.B.; Piestrup, M.A.; Gary, C.K. & Maruyama, X.K. December 31, 1991.

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Description

The authors describe their recent experimental study of the production of x-rays by an electron beam interacting with a crystal lattice, i.e. parametric x-ray (PX) generation. In this radiation process, the virtual photon field associated with a relativistic electron traveling in a crystal is diffracted by the crystal lattice in the same way that real x-rays are diffracted by crystals. The radiation produced satisfies the Bragg condition associated with the diffraction of the virtual photons which are nearly parallel to the velocity of the electrons. This phenomenon is associated with a more general class of radiation production mechanisms which include transition radiation (TR), diffraction radiation (DR), and Smith-Purcell radiation. In each case, radiation is produced when the particle`s fields are altered by interacting with a material whose dielectric constant varies along or near the particle`s trajectory. The usual acceleration mechanism for the production of radiation is not involved in these phenomena. In the case of a crystal, the periodic electric susceptibility interacting with the particle`s field produces parametric x-rays. They will also present a theoretical overview of this phenomenon which can be used to generate monochromatic, linearly polarized, directional x-rays. Accelerators with energies ranging from a few MeV to hundreds of MeV may be used as drivers for novel parametrix x-ray generators for various applications requiring the unique properties of these sources.

Physical Description

12 p.

Notes

INIS; OSTI as DE96011438

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  • Society of Photo-Optical Instrumentation Engineers (SPIE) meeting, San Diego, CA (United States), 21-26 Jul 1991

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  • Other: DE96011438
  • Report No.: CONF-9107115--85
  • Grant Number: FG03-91ER81099
  • DOI: 10.2172/244672 | External Link
  • Office of Scientific & Technical Information Report Number: 244672
  • Archival Resource Key: ark:/67531/metadc670400

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 31, 1991

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 24, 2015, 8:03 p.m.

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Rule, D.W.; Fiorito, R.B.; Piestrup, M.A.; Gary, C.K. & Maruyama, X.K. Production of x-rays by the interaction of charged particle beams with periodic structures and crystalline materials, report, December 31, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc670400/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.