L3-subshell alignment in gold following low-velocity proton and He+ impact ionisation

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Abstract

By measuring the angular distribution of the Ll/L gamma intensity ratio of gold following proton (E=0.6-1.5 MeV) and He+ (E/M=0.2-1.1 MeV amu-1) impact ionisation, the A 2 alignment parameter of the L3 subshell has been determined. In contrast to the monotonic behaviour of A2 predicted by the PWBA at low projectile velocities, the authors' experimental data for He+ impact exhibit a minimum at E/M approximately=0.4 MeV amu -1 which can be explained by the deflection of the projectile in the Coulomb field of the target nucleus.

Original languageEnglish
Article number021
Pages (from-to)3829-3834
Number of pages6
JournalJournal of Physics B: Atomic and Molecular Physics
Volume13
Issue number19
DOIs
Publication statusPublished - 1980

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low speed
projectiles
alignment
gold
ionization
protons
deflection
angular distribution
nuclei

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

L3-subshell alignment in gold following low-velocity proton and He+ impact ionisation. / Pálinkás, J.; Sarkadi, L.; Schlenk, B.

In: Journal of Physics B: Atomic and Molecular Physics, Vol. 13, No. 19, 021, 1980, p. 3829-3834.

Research output: Contribution to journalArticle

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AB - By measuring the angular distribution of the Ll/L gamma intensity ratio of gold following proton (E=0.6-1.5 MeV) and He+ (E/M=0.2-1.1 MeV amu-1) impact ionisation, the A 2 alignment parameter of the L3 subshell has been determined. In contrast to the monotonic behaviour of A2 predicted by the PWBA at low projectile velocities, the authors' experimental data for He+ impact exhibit a minimum at E/M approximately=0.4 MeV amu -1 which can be explained by the deflection of the projectile in the Coulomb field of the target nucleus.

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