1994
DOI: 10.1103/physreva.50.2366
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Influence of the initial- and final-state configuration interaction on the anisotropy of the resonant Auger decay of Kr 3d15pand Xe 4

Abstract: The anisotropy of the resonant Auger decay of photon-excited Kr 3d~i'~5~5p and Xe 4d3/Q 5i$6p states has been studied by the multiconfiguration Dirac-Fock method. The calculations account for the configuration interaction both in the initial and in the 6nal states of the Auger decay. For the nonresolved nd (n+ 2)p (J = 1) resonances (n = 3 for Kr, and n = 4 for Xe) the average intensities and the anisotropies of the Auger lines were calculated by weighing each partial rate by the pertinent Dirac-Fock photoexci… Show more

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Cited by 47 publications
(41 citation statements)
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“…Our results for the spin polarisation parameter ξ 2 for the experimentally observed peaks 1b and 3b of the resonantly excited Xe * (6p 3/2 ) N 5 O 2,3 O 2,3 Auger spectrum are shown in Table 9. While our data for the 1b peak are in good accordance to theoretical predictions by Hergehahn and Becker (1995) and by Tulkki et al . (1994), we obtain a much smaller average value of the spin polarisation parameter ξ 2 for the peak 3b.…”
Section: (4h) Dynamic Spin Polarisation For Unresolved Fine Structuresupporting
confidence: 93%
“…Our results for the spin polarisation parameter ξ 2 for the experimentally observed peaks 1b and 3b of the resonantly excited Xe * (6p 3/2 ) N 5 O 2,3 O 2,3 Auger spectrum are shown in Table 9. While our data for the 1b peak are in good accordance to theoretical predictions by Hergehahn and Becker (1995) and by Tulkki et al . (1994), we obtain a much smaller average value of the spin polarisation parameter ξ 2 for the peak 3b.…”
Section: (4h) Dynamic Spin Polarisation For Unresolved Fine Structuresupporting
confidence: 93%
“…The dominance of a SPW does not necessarily mean that other partial waves do not contribute at all. The value of the α 2 parameter calculated for this transition by only considering a f 7/2 wave is −0.505, which is larger than the MCDF and the experimental value of −0.375 (Kitajima et al 2001, Tulkki et al 1994, which clearly indicates the presence of other partial waves. A similar situation occurs also for line VI where the strongest transition in the group is that to the final state 2 P 3/2 for which the d 5/2 partial wave dominates.…”
Section: Resultscontrasting
confidence: 58%
“…Since the width of the resonances is larger than their separation, they strongly overlap and interfere when excited by a photon. Although one of them is excited 20 times more strongly than the other one (Tulkki et al 1994, Kitajima et al 2001, a proper account of their interference is important for the description of the angular distributions of resonant Auger electrons (Kitajima et al 2001) and their spin polarization. Modification of the formalism, as described above for the case of two overlapping resonances, is straightforward.…”
Section: Theorymentioning
confidence: 99%
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“…The wide interest in the RA is largely based on the fact that the resonance population of the final ionic states is assumed to be considerably stronger than the direct nonresonant population. Therefore, it was expected that the dynamics of RA can be understood within a relatively simple two-step (or stepwise) model [3][4][5]. In this model, the direct population of the ionic states is neglected because it is forbidden in a single-electron dipole approximation and has a very small probability in comparison with the resonance channel.…”
mentioning
confidence: 99%