Comparison Of Quantum Mechanical And Classical Trajectory Calculations Of Cross Sections For Ion-Atom Impact Ionization of Negative - And Positive -Ions For Heavy Ion Fusion Applications

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Stripping cross sections in nitrogen have been calculated using the classical trajectory approximation and the Born approximation of quantum mechanics for the outer shell electrons of 3.2GeV I{sup -} and Cs{sup +} ions. A large difference in cross section, up to a factor of six, calculated in quantum mechanics and classical mechanics, has been obtained. Because at such high velocities the Born approximation is well validated, the classical trajectory approach fails to correctly predict the stripping cross sections at high energies for electron orbitals with low ionization potential.

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Kaganovich, Igor D.; Startsev, Edward A. & Davidson, Ronald C. May 15, 2003.

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Stripping cross sections in nitrogen have been calculated using the classical trajectory approximation and the Born approximation of quantum mechanics for the outer shell electrons of 3.2GeV I{sup -} and Cs{sup +} ions. A large difference in cross section, up to a factor of six, calculated in quantum mechanics and classical mechanics, has been obtained. Because at such high velocities the Born approximation is well validated, the classical trajectory approach fails to correctly predict the stripping cross sections at high energies for electron orbitals with low ionization potential.

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1 MB pages

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INIS; OSTI as DE00814013

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  • Other Information: PBD: 15 May 2003

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  • Report No.: PPPL-3812
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/814013 | External Link
  • Office of Scientific & Technical Information Report Number: 814013
  • Archival Resource Key: ark:/67531/metadc740717

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  • May 15, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 15, 2016, 8:34 p.m.

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Kaganovich, Igor D.; Startsev, Edward A. & Davidson, Ronald C. Comparison Of Quantum Mechanical And Classical Trajectory Calculations Of Cross Sections For Ion-Atom Impact Ionization of Negative - And Positive -Ions For Heavy Ion Fusion Applications, report, May 15, 2003; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc740717/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.