"Pb and Bi L-Subshell Ionization Cross-Section Ratios Versus Proton Bom" by Don H. Madison, A. B. Baskin et al.
 

Abstract

Experimental ratios of L-subshell cross sections are given for ionization of lead and bismuth by 0.5-4-MeV-proton bombardment. The ratio of the LII to LI cross sections exhibits a maximum near 1.75 MeV. Individual subshell cross sections are obtained from the experimental ratios and previous total-cross-section data. These subshell ratios and cross sections are compared with the theoretical predictions of the plane-wave Born approximation using nonrelativistic hydrogenic wave functions, of the binary-encounter approximation scaled from Mg K-shell cross sections, and of the binary-encounter approximation scaled from cross sections obtained using L-shell velocity distributions. It was found that both approximations predict the trend of the data for the LII and LIII subshells, but that only the plane-wave Born approximation gave the proper behavior for the LI subshell.

Department(s)

Physics

International Standard Serial Number (ISSN)

1050-2947

Document Type

Article - Journal

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 1974 American Physical Society (APS), All rights reserved.

Publication Date

01 Feb 1974

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