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autoionization

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autoionization

[¦ȯd·ō‚ī·ə·nə′zā·shən]
(atomic physics)
The radiationless transition of an electron in an atom from a discrete electronic level to an ionized continuum level of the same energy. Also known as preionization.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Therefore, regarding the above transition scheme, we observed the spectra of Sr stable isotopes ([sup.84]Sr, [sup.86]Sr, and [sup.88]Sr) to verify the narrow width of the 3rd autoionization transition are suitable for isotope separation.
Baig, "Two-color three-photon resonant excitation spectrum of strontium in the autoionization region," European Physical Journal D--Atomic, Molecular, Optical and Plasma Physics, vol.
Investigation of Optical Ionization of Strontium via 5[s.sup.2] [sup.1][S.sub.0] [right arrow] 5s5p [sup.3][P.sup.[omicron].sub.1] [right arrow] 5s5d [sup.3][D.sub.2] [right arrow] 4dnp (or 4ndf, n = 39) for Isotope Selectivity Enhancement
Key words: asymmetry; autoionization; branching ratios; parameters; photoelectron spectra.
The ionization onset region in the photoabsorption of [CO.sub.2] contains a number of strong autoionization features that converge on the A [[blank.sup.2][pi.sub.u] and [[blank].sup.2][Summation over(+/u)].
studied [CO.sub.2] autoionization and pointed out that the use of the method worked out by Smith and modified by Eland to apply the Fano-Mies configuration interaction theory to molecules could be used to explain portions of the non-Franck-Condon behavior seen in the photoionization of [CO.sub.2] (19-23).
Vibrational branching rations and asymmetry parameters in the photoionization of [CO.sup.2] in the region between 650 a 840 A
The model included the effects of changing activity and the autoionization of water.
TITRATION PRECISION ESTIMATES BY MONTE CARLO METHOD
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