Far-Ultraviolet Emission Cross Sections of NE II and NE III Excited by Electron Impact

Details Far-Ultraviolet Emission Cross Sections of NE II and NE III Excited by Electron Impact Far-Ultraviolet Emission Cross Sections of NE II and NE III Excited by Electron Impact

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...455..769j&link_type=abstract

Astrophysical Journal v.455, p.769

Astronomy and Astrophysics

Astronomy

5

Atomic Data, Atomic Processes, Methods: Laboratory

Scientific paper

We have measured the electron-impact-induced fluorescence spectrum of neon in the wavelength range 120-270 nm at a spectral resolution of 0.43 nm (FWHM). The strongest lines observed in the far-ultraviolet (FUV) spectrum of neon are assigned to terms of the doublet system of Ne II (2s22p4nl) and the triplet system of Ne III (2s22p33l). Our FUV spectral data, obtained at 300 eV electron-impact energy, provide absolute emission cross sections of these Ne II and Ne III lines, and are compared to previous measurements where available. In addition, the excitation function of the strongest Ne II line observed at 191.6 nm was measured from threshold to 1000 eV electron-impact energy.

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