K-shell ionization of elements Ca to Zn for 0.5 to 2.5-MeV/amu 14N-ion bombardment

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Article discussing K-shell ionization elements Ca to Zn for 0.5 to 2.5-MeV/amu 14N-ion bombardment.

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10 p.

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McDaniel, Floyd Del. (Floyd Delbert), 1942-; Duggan, Jerome L.; Miller, P. D. & Alton, G. D. March 1977.

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Article discussing K-shell ionization elements Ca to Zn for 0.5 to 2.5-MeV/amu 14N-ion bombardment.

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10 p.

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Copyright 1977 American Physical Society. The following article appeared in Physical Review A, 15:3, http://link.aps.org/doi/10.1103/PhysRevA.15.846

Abstract: Target K-shell x-ray production cross sections, x-ray energy shifts, and Kβ/Kα ratios have been measured for 7-35-MeV 14N ions on thin solid films of Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn. Comparisons of the data were made with theoretical predictions obtained from the binary-encounter approximation and the planewave born approximation (PWBA). These theories were found to overpredict the experimental data by a factor of 10 at the lower energies. However, at the lower energies, the PWBA, with modifications for increased target electron binding, Coulomb deflection, target electron polarization, and relativistic effects produced results in good agreement with the experimental data was found which increases as the ratio of Z1/Z2 becomes larger. Corrections to the fluorescence yields attributable to multiple ionization processes and the addition of electron capture contributions to the previously indicated direct ionization theories produced results in excellent agreement with the experimental data with the exception of those for the light elements at the highest energies.

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  • Physical Review A, 1977, College Park: American Physical Society, pp. 846-855

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  • Publication Title: Applied Physics Letters
  • Volume: 72
  • Publication Title: Physical Review A
  • Volume: 15
  • Issue: 3
  • Page Start: 846
  • Page End: 855
  • Peer Reviewed: Yes

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UNT Scholarly Works

The Scholarly Works Collection is home to materials from the University of North Texas community's research, creative, and scholarly activities and serves as UNT's Open Access Repository. It brings together articles, papers, artwork, music, research data, reports, presentations, and other scholarly and creative products representing the expertise in our university community. Access to some items in this collection may be restricted.

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  • March 1977

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  • Feb. 28, 2013, 7:56 p.m.

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  • May 14, 2014, 1:42 p.m.

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McDaniel, Floyd Del. (Floyd Delbert), 1942-; Duggan, Jerome L.; Miller, P. D. & Alton, G. D. K-shell ionization of elements Ca to Zn for 0.5 to 2.5-MeV/amu 14N-ion bombardment, article, March 1977; [College Park, Maryland]. (digital.library.unt.edu/ark:/67531/metadc146601/: accessed April 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.