Zn K- and Pb L-shell ionization by proton and He3-ion bombardment

H. Tawara, K. Ishii, S. Morita, H. Kaji, C. N. Hsu, T. Shiokawa

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42 Citations (Scopus)

Abstract

Absolute cross sections and excitation functions have been measured for Zn K-x-ray production by proton impact and for Pb L-x-ray production by proton and He3-ion impact over the bombarding energy range from 1.4 to 4.4 MeV using a Si(Li) detector. The total ionization cross sections for the Zn K shell and x-ray production cross sections for the Pb L shell obtained are compared with the binary-encounter approximation (BEA) and the plane-wave Born approximation calculations and the agreement is found to be good. X-ray production ratios, such as LαLβ and LαLγ, for Pb are also compared with the BEA calculations. The cross-over behavior of the Z1 (projectile nuclear charge) dependence of the x-ray production cross sections was studied for the Pb L lines.

Original languageEnglish
Pages (from-to)1617-1625
Number of pages9
JournalPhysical Review A
Volume9
Issue number4
DOIs
Publication statusPublished - 1974 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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