Coherence and correlation in the anisotropy of Ne KL-LLL satellite Auger decay

N. M. Kabachnik, J. Tulkki, H. Aksela, S. Ricz

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The energies, intensities, and angular anisotropies of the Ne KL-LLL satellite Auger lines have been studied by the multiconfiguration Dirac-Fock method. In addition to the initial- and final-state correlation effects we have studied the influence of the quantum beat effect on this Auger spectrum. Since the energy splitting of the Ne 1s-12p-1 3P multiplet is much smaller than the lifetime broadening, the coherent excitation of these initial states by the in time and space localized electromagnetic pulse of the projectile has a drastic effect on the angular distribution of Auger electrons. To analyze this coherence effect we have generalized the theory of the angular distribution of Auger electrons to the case of coherent excitation of partially overlapping initial states. The results of our calculations are in good overall agreement with experiment. However, for a quantitative study of the influence of the coherence and the initial spin state on the anisotropy of these Auger lines new measurements with lower error limits are necessary.

Original languageEnglish
Pages (from-to)4653-4659
Number of pages7
JournalPhysical Review A
Volume49
Issue number6
DOIs
Publication statusPublished - 1994

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anisotropy
decay
angular distribution
electromagnetic pulses
excitation
projectiles
synchronism
electrons
fine structure
life (durability)
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

Cite this

Coherence and correlation in the anisotropy of Ne KL-LLL satellite Auger decay. / Kabachnik, N. M.; Tulkki, J.; Aksela, H.; Ricz, S.

In: Physical Review A, Vol. 49, No. 6, 1994, p. 4653-4659.

Research output: Contribution to journalArticle

Kabachnik, N. M. ; Tulkki, J. ; Aksela, H. ; Ricz, S. / Coherence and correlation in the anisotropy of Ne KL-LLL satellite Auger decay. In: Physical Review A. 1994 ; Vol. 49, No. 6. pp. 4653-4659.
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