Proton-Induced L-shell X-Rays of Pr, Sm, Eu, Gd, and Dy

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Characteristic L-shell x rays of the five rare earths Pr, Sm, Eu, Gd, and Dy were studied in this work. The x rays were produced by ionization from 0.3 to 2.0 MeV protons from the 2.0 MV Van de Graaff at North Texas State University. Total L-shell ionization and x-ray production cross sections were measured for Sm and compared to the BEA, CBEA and PWBA theories. Total L-shell ionization cross sections were measured for Pr, Eu, Gd, and Dy and compared to the BEA, CBEA, and PWBA. The CBEA and PWBA fit the samarium data well for both ionization and ... continued below

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iii, 72 leaves: ill.

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Abrath, Frederick G. August 1974.

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  • Abrath, Frederick G.

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Characteristic L-shell x rays of the five rare earths Pr, Sm, Eu, Gd, and Dy were studied in this work. The x rays were produced by ionization from 0.3 to 2.0 MeV protons from the 2.0 MV Van de Graaff at North Texas State University. Total L-shell ionization and x-ray production cross sections were measured for Sm and compared to the BEA, CBEA and PWBA theories. Total L-shell ionization cross sections were measured for Pr, Eu, Gd, and Dy and compared to the BEA, CBEA, and PWBA. The CBEA and PWBA fit the samarium data well for both ionization and x-ray production cross sections. The BEA was generally 40 per cent lower than the data. The CBEA and the PWBA also fit the ionization cross section data for Pr, Eu, Gd and Dy, while the BEA was generally 40 per cent lower than the data.

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iii, 72 leaves: ill.

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  • August 1974

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  • March 9, 2015, 8:15 a.m.

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  • Feb. 24, 2017, 12:09 p.m.

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Abrath, Frederick G. Proton-Induced L-shell X-Rays of Pr, Sm, Eu, Gd, and Dy, dissertation, August 1974; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc500284/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .