Ionization cross sections for electron scattering from metastable rare-gas atoms (Ne* and Ar*)

doi:10.1088/1674-1056/22/7/073402

Abstract The optical-model approach has been used to investigate the electron-impact ionization of metastable rare-gas atoms. A complex equivalent-local polarization potential is obtained to describe the ionization continuum channels. We have calculated the cross sections for collisional ionization of the metastable atoms Ne^* and Ar^* by electrons in the energy range from threshold to 200 eV. The present results are in agreement with the available experimental measurements and other theoretical calculations.

Keywords: electron scattering metastable rare-gas atom ionization

Received: 01 March 2013
Revised: 31 March 2013
Accepted manuscript online:

PACS:

34.80.Dp

(Atomic excitation and ionization)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10874035).

Corresponding Authors: Zhou Ya-Jun
E-mail: yajunzhou2003@yahoo.com.cn

Cite this article:

Zhang Yong-Zhi (张永志), Zhou Ya-Jun (周雅君) Ionization cross sections for electron scattering from metastable rare-gas atoms (Ne^* and Ar^*) 2013 Chin. Phys. B 22 073402

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Ionization cross sections for electron scattering from metastable rare-gas atoms (Ne* and Ar*)

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Ionization cross sections for electron scattering from metastable rare-gas atoms (Ne^* and Ar^*)