Absolute cross sections for electron-impact single ionization of O2+. The uncertainties listed are one standard deviation relative. Total absolute uncertainty is ±12% at high confidence corresponding to 90% confidence level for the statistical uncertainties. Reference: R. A. Falk et al. , unpublished (1980).


       Energy       Cross section
        (eV)        (10-18 cm2)
          37.3     -0.04  ± 0.15
          42.3      0.14  ± 0.15
          44.3      0.10  ± 0.14
          46.3      0.10  ± 0.13
          48.2      0.05  ± 0.13
          50.2      0.30  ± 0.12
          52.1      0.23  ± 0.10
          54.1      0.52  ± 0.11
          56.1      1.68  ± 0.17
          57.1      2.70  ± 0.14
          58.0      3.42  ± 0.23
          60.0      4.49  ± 0.27
          62.0      5.91  ± 0.24
          63.9      6.91  ± 0.37
          66.9      8.14  ± 0.32
          71.8      9.70  ± 0.50
          76.7     11.57  ± 0.44
          81.7     12.09  ± 0.61
          91.2     14.18  ± 0.70
          96.2     14.88  ± 0.35
         116       17.40  ± 0.87
         121       17.66  ± 0.87
         126       18.01  ± 0.87
         136       18.01  ± 0.96
         146       17.84  ± 0.87
         151       18.27  ± 0.96
         156       18.27  ± 0.96
         175       19.31  ± 0.96
         195       19.66  ± 0.96
         202       19.49  ± 0.96
         250       19.05  ± 0.96
         303       17.57  ± 0.87
         354       16.18  ± 0.78
         406       15.75  ± 0.78
         497       14.36  ± 0.70

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Last Modified: Friday, January 10, 1997