Absolute cross sections for electron-impact single ionization of C2+. The uncertainties listed are one standard deviation counting statistics. Total absolute uncertainty is ±8% at high confidence corresponding to 90% confidence level for the statistical uncertainties. Reference: R. A. Falk et al. , Phys. Rev. A28, 91 (1983).


       Energy                      Cross section
        (eV)                         (10-18 cm2)
                    Low Metastable              High Metastable
                      Fraction                     Fraction
          40.2      0.31  ± 0.22
          41.2      0.56                        1.15  ± 0.18
          42.0      0.86
          43.1      1.21  ± 0.12                1.82
          44.0      1.57  ± 0.22
          45.3      2.44                        2.87
          47.1                                  3.26
          47.8      2.88  ± 0.08
          50.4      4.20                        4.75  ± 0.14
          53.0      5.25  ± 0.13                5.96
          54.7      5.69
          56.0      6.19                        7.20
          57.5      6.79
          59.3      7.21  ± 0.11                8.18  ± 0.16
          60.9      7.91
          70.7      9.68
          75.6     10.19
          85.4     10.98
          95.3     11.44
         110       12.06
         127       12.21
         146       11.90  ± 0.10               12.65  ± 0.06
         159       11.91
         182       11.61
         216       11.30
         282       10.36
         341        9.12
         392        8.92
         418        8.12
         493        7.73  ± 0.30

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Last Modified: Friday, January 10, 1997