Electron collisions with coherently prepared atomic targets

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The subject of electron scattering by laser-excited atoms is briefly reviewed. To demonstrate some aspects of these electron collision processes, the authors describe the procedures and the results of a joint experimental and theoretical study concerning elastic scattering by coherently excited {sup 138}Ba (...6s6p {sup 1}P{sub 1}) atoms. Examples of experimental and theoretical collision parameters and magnetic sublevel differential cross sections for elastic scattering are given and compared. The convergent close coupling calculations (with the neglect of spin-orbit interaction) are in good agreement with experiment at 20 eV impact energy and 10, 15 and 20{degree} scattering angles and can be ... continued below

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14 p.

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Trajmar, S.; Kanik, I.; LeClair, L.R.; Khakoo, M.S.; Bray, I.; Fursa, D. et al. February 1, 1998.

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Description

The subject of electron scattering by laser-excited atoms is briefly reviewed. To demonstrate some aspects of these electron collision processes, the authors describe the procedures and the results of a joint experimental and theoretical study concerning elastic scattering by coherently excited {sup 138}Ba (...6s6p {sup 1}P{sub 1}) atoms. Examples of experimental and theoretical collision parameters and magnetic sublevel differential cross sections for elastic scattering are given and compared. The convergent close coupling calculations (with the neglect of spin-orbit interaction) are in good agreement with experiment at 20 eV impact energy and 10, 15 and 20{degree} scattering angles and can be expected to yield reliable integral magnetic sublevel and alignment creation cross sections. The role of these quantities in plasma polarization spectroscopy is pointed out.

Physical Description

14 p.

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INIS; OSTI as DE98003445

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  • 20. international conference on the physics of electronic and atomic collisions and exhibition, Vienna (Austria), 23-29 Jul 1997

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  • Other: DE98003445
  • Report No.: LA-UR--97-4773
  • Report No.: CONF-970710--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 642807
  • Archival Resource Key: ark:/67531/metadc691022

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  • February 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 29, 2016, 2:22 p.m.

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Trajmar, S.; Kanik, I.; LeClair, L.R.; Khakoo, M.S.; Bray, I.; Fursa, D. et al. Electron collisions with coherently prepared atomic targets, article, February 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc691022/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.