Cross sections for excitation of the helium atom by electron impact

Details Cross sections for excitation of the helium atom by electron impact Cross sections for excitation of the helium atom by electron impact

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984sva....28..636s&link_type=abstract

(Astronomicheskii Zhurnal, vol. 61, Nov.-Dec. 1984, p. 1087-1097) Soviet Astronomy (ISSN 0038-5301), vol. 28, Nov.-Dec. 1984, p.

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Atomic Excitations, Atomic Spectra, Electron Impact, Helium Atoms, Ultraviolet Spectra, Atomic Energy Levels, Electron Energy, Optical Transition, Quantum Numbers, Scattering Cross Sections

Scientific paper

Cross sections for electron-impact excitation have been measured for 73 transitions (2600-8000 A) belonging to the six main series of the He I spectrum. All cross sections have been determined as functions of electron energy from excitation threshold to 250 eV. The power-law dependence of the cross sections on the principal quantum number of the upper level is discussed.

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