On the role of autoionizing and autodetaching states in the excitation of metastable levels in the autoionizing energy region: helium
A V Snegursky; E Yu Remeta; A N Zavilopulo; O B Shpenik; A V Snegursky; Inst. of Electron Phys., Acad. of Sci., Uzhgorod, Ukraine; E Yu Remeta; Inst. of Electron Phys., Acad. of Sci., Uzhgorod, Ukraine; A N Zavilopulo; Inst. of Electron Phys., Acad. of Sci., Uzhgorod, Ukraine; O B Shpenik; Inst. of Electron Phys., Acad. of Sci., Uzhgorod, Ukraine
Журнал:
Journal of Physics B: Atomic, Molecular and Optical Physics
Дата:
1994-04-28
Аннотация:
New data on the electron-impact excitation of metastable He(2<sup>3,1</sup>S) states in the 57-61 eV energy region are presented. Experimental differential cross sections for metastable formation were measured with high energy ( approximately 0.08 eV) and angular ( approximately 0.1 degrees ) resolution by means of a metastable spectroscopy technique. The resonance-like structure observed is classified as related both to autoionizing and autodetaching states using the density functional theory method.
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