The effect of wave function orthogonality on the simultaneous ionization and excitation of helium

Liu, Lijuan; Chen, Jia; Zhang, Limin; Chen, Jiaojiao; Chen, Zhang-Jin

doi:10.1088/1674-1056/22/10/103401

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…Electron-impact ionization processes are used in a diverse range of fields, such as radiation physics, plasma physics, atmospheric physics, astrophysics and electron microscopy, [1] and have been subject to numerous theoretical [2][3][4][5][6][7][8][9][10] and experimental [11][12][13][14][15] studies. In recent decades, high-resolution measurement has made high-order interaction terms discernible, especially in extreme conditions such as plasma environments and strong electric, magnetic, or laser fields, etc.…”

Section: Introductionmentioning

confidence: 99%

Fast-electron-impact ionization process by 3p of hydrogen-like ions in Debye plasmas

Wang

et al. 2015

Chinese Phys. B

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The plasma screening of fast-electron-impact-ionization by excited state (3p) of Hydrogen-like ions was investigated in the first Born approximation with a plasma screening length δ varying from 1000a0 to 10a0. The generalized oscillator strength densities showed dramatic changes: some accessional minima occurred along with a remarkable enhancement in certain continuum-energy domains. The double-differential cross sections exhibit not only the same structures as the Bethe surface for moderate and large momentum transfers, but also a broadened enhancement for small momentum transfers. The single-differential cross sections exhibit a near-zero-energy-enhancement and prodigious multiple-shape resonances, depending on the continuum energy and the plasma screening length. These features are analogous to those of the photo-ionization cross section. These findings, for both types of cross section, can be explained by processes associated with continuum electrons, as long as the potential has a short-range character.

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Section: Introductionmentioning

confidence: 99%

Fast-electron-impact ionization process by 3p of hydrogen-like ions in Debye plasmas

Wang

et al. 2015

Chinese Phys. B

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Correlation effects in out-of-plane excitation-ionization collisions

Harris

Esposito

2014

Phys. Rev. A

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First-order distorted wave Born approximation for single ionization of Ar by electron impact in a coplanar doubly symmetric geometry

Zhang¹,

Chen²,

Wang³

et al. 2014

Acta Phys. Sin.

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The first-order distorted wave Born approximation (DWBA) has been performed for single ionization of Ar(3p) by electron impact in coplanar doubly symmetric geometry from near threshold to intermediate energies. Theoretical triple differential cross sections (TDCS) are compared with the latest experimental data. It is found that when the incident electron energies are 40 eV higher than the ionization threshold, for argon, the binary and recoil collision mechanism will dominat as the energies increase, but not in the near threshold energy regime, where the distortion effects are of great significance. In order to completely describe the electron impact ionization of argon, it is imperative that more scattering mechanisms should be considered in the theoretical models.

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The effect of wave function orthogonality on the simultaneous ionization and excitation of helium

Cited by 3 publications

References 17 publications

Fast-electron-impact ionization process by 3p of hydrogen-like ions in Debye plasmas

Fast-electron-impact ionization process by 3p of hydrogen-like ions in Debye plasmas

Correlation effects in out-of-plane excitation-ionization collisions

First-order distorted wave Born approximation for single ionization of Ar by electron impact in a coplanar doubly symmetric geometry

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