Electron-impact ionization of atomic hydrogen

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Since the invention of quantum mechanics, even the simplest example of collisional breakup in a system of charged particles, e{sup {minus}} + H {r_arrow} H{sup +} + e{sup {minus}} + e{sup {minus}}, has stood as one of the last unsolved fundamental problems in atomic physics. A complete solution requires calculating the energies and directions for a final state in which three charged particles are moving apart. Advances in the formal description of three-body breakup have yet to lead to a viable computational method. Traditional approaches, based on two-body formalisms, have been unable to produce differential cross sections for the three-body ... continued below

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Medium: P; Size: 130 pages

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Baertschy, Mark D. February 14, 2000.

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This thesis or dissertation is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this document can be viewed below.

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Description

Since the invention of quantum mechanics, even the simplest example of collisional breakup in a system of charged particles, e{sup {minus}} + H {r_arrow} H{sup +} + e{sup {minus}} + e{sup {minus}}, has stood as one of the last unsolved fundamental problems in atomic physics. A complete solution requires calculating the energies and directions for a final state in which three charged particles are moving apart. Advances in the formal description of three-body breakup have yet to lead to a viable computational method. Traditional approaches, based on two-body formalisms, have been unable to produce differential cross sections for the three-body final state. Now, by using a mathematical transformation of the Schrodinger equation that makes the final state tractable, a complete solution has finally been achieved, Under this transformation, the scattering wave function can be calculated without imposing explicit scattering boundary conditions. This approach has produced the first triple differential cross sections that agree on an absolute scale with experiment as well as the first ab initio calculations of the single differential cross section.

Physical Description

Medium: P; Size: 130 pages

Notes

INIS; OSTI as DE00753895

Source

  • Other Information: TH: Thesis (Ph.D.); Submitted to Univ. of California, Davis, CA (US)

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  • Report No.: LBNL--45210
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 753895
  • Archival Resource Key: ark:/67531/metadc702731

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  • February 14, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 4, 2016, 3:11 p.m.

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Baertschy, Mark D. Electron-impact ionization of atomic hydrogen, thesis or dissertation, February 14, 2000; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc702731/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.