2009
DOI: 10.1088/1742-6596/194/1/012002
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Resonance phenomena in electron-ion and photon-ion collisions

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Cited by 7 publications
(8 citation statements)
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“…Expectations for the theoretical description of ionization cross sections for ions imply that the distorted-wave calculations become increasingly better with increasing charge state of the parent ion while resonances [17,107,108] are of decreasing significance. In the experiments studying electron-impact ionization of tungsten ions, no significant contributions of resonant processes could be found in the range of charge states q from 1 to 19 at energies up to 1 keV.…”
Section: Discussionmentioning
confidence: 99%
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“…Expectations for the theoretical description of ionization cross sections for ions imply that the distorted-wave calculations become increasingly better with increasing charge state of the parent ion while resonances [17,107,108] are of decreasing significance. In the experiments studying electron-impact ionization of tungsten ions, no significant contributions of resonant processes could be found in the range of charge states q from 1 to 19 at energies up to 1 keV.…”
Section: Discussionmentioning
confidence: 99%
“…Individual reaction mechanisms with the associated partial cross sections for such generic atomic collision processes and their resonant channels have been reviewed previously [16,17]. Within the frame of the tungsten collisions project reviewed in this communication, processes described by Equations (1)- (5) were studied for selected charge states by experiments which were partially accompanied by theory.…”
Section: Introductionmentioning
confidence: 99%
“…from the solar corona (Dubau & Volonte 1980;Khan, et al 1995). It is in general of great importance for atomic physics (Müller 2009), nuclear physics (Schuch et al 2005), and astrophysics (Burgess & Summers 1969;Kallman & Palmeri 2007). DR is a resonant two step process which occurs in non-bare ions.…”
Section: Introductionmentioning
confidence: 99%
“…Apart from the direct ionization of an electron from the ionic target, there could also be important indirect processes [1,2] that would contribute to the single ionization of the ion, e.g., excitation of an inner-shell electron with subsequent autoionization, nonradiative resonant capture of the incident electron by the ion with simultaneous excitation of the ionic core followed by deexcitation of the intermediate triply excited state by emission of two correlated electrons [1]. The latter process could give rise to resonances in the (e,2e) process of a Li + ion that occur when the energy available in the collision matches the intrinsic energies of the ion [1][2][3] and such resonances were already observed experimentally [1]. However, since such resonances are associated with multistep processes, their probability is supposed to be small.…”
Section: Introductionmentioning
confidence: 99%
“…Regarding the experimental situation for the FF (e,2e) process of the Li + ion, the experimental works were so far limited to total or singly differential cross sections only [1][2][3][4][5][6][7]; no fully differential cross section [triple-differential cross section (TDCS)] measurement is yet available in the literature.…”
Section: Introductionmentioning
confidence: 99%