Single- and double-photoionization cross sections of atomic nitrogen from threshold to 31 A

Details Single- and double-photoionization cross sections of atomic nitrogen from threshold to 31 A Single- and double-photoionization cross sections of atomic nitrogen from threshold to 31 A

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrva..42.1307s&link_type=abstract

Physical Review A (ISSN 1050-2947), vol. 42, Aug. 1, 1990, p. 1307-1312.

Physics

22

Ion Charge, Ionization Cross Sections, Nitrogen Atoms, Photoionization, Photons, Wavelengths, X Rays

Scientific paper

The relative photoionization cross section of atomic nitrogen for the production of singly and doubly charged ions has been measured from 44.3 to 275 A and from 520 to 852 A. The results have been made absolute by normalization to one-half of the molecular nitrogen cross section at short wavelengths. The smoothed atomic nitrogen cross sections sigma can be accurately represented, at short wavelengths, by the equation sigma(Mb) = 36,700 x (E exp-2.3) as a function of the photon energy E (eV), thereby allowing the cross sections to be extrapolated to the nitrogen K edge at 31 A.

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