NDLI: Electron-impact excitation cross sections of K*(3p54s22P3/2,2P1/2) autoionizing states: strong fine-structure dependence near threshold

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Electron-impact excitation cross sections of K*(3p54s22P3/2,2P1/2) autoionizing states: strong fine-structure dependence near threshold

Content Provider	Scilit
Author	Feuerstein, B. Grum-Grzhimailo, A. N. Mehlhorn, W.
Copyright Year	1999
Description	Journal: Journal of Physics B: Atomic, Molecular and Optical Physics The electron-impact cross sections of the inner-shell excited autoionizing states $K(3p^{5}4s^{2} $^{2}$P_{3/2}$) and $K(3p^{5}4s^{2} $^{2}$P_{1/2}$) were measured for the incident energy ranges from threshold up to 1 keV and up to 37.2 eV, respectively. A strong negative-ion resonance structure was found in the excitation cross section of the$ $^{2}$P_{3/2}$ state close to the threshold, whereas the excitation function of the$ $^{2}$P_{1/2}$ state is rather smooth. For impact energies below 40 eV the cross section ratio R of the fine-structure components shows a substantial energy-dependent deviation from the statistical value R = 2. The present experimental values are compared with recent theoretical results obtained in the distorted-wave Born approximation.
Related Links	http://iopscience.iop.org/article/10.1088/0953-4075/32/18/313/pdf
Ending Page	4554
Page Count	8
Starting Page	4547
ISSN	09534075
e-ISSN	13616455
DOI	10.1088/0953-4075/32/18/313
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Issue Number	18
Volume Number	32
Language	English
Publisher	IOP Publishing
Publisher Date	1999-09-13
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics B: Atomic, Molecular and Optical Physics Nuclear Physics Cross Section Electron Impact Fine Structure
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics

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