Absolute total cross sections for electron-impact single ionization of Kr4+. The relative uncertainties are at the one-standard-deviation level; the absolute uncertainties (given in parentheses) are at a high confidence level corresponding to 90% confidence for the relative uncertainties. Reference: M.E. Bannister et al., Phys. Rev. A 49, 4676 (1994).

             Energy         Cross Section
              (eV)           (10-18 cm2)
              28.5        0.35 ± 0.77  (1.30)
              38.6       -0.10 ± 0.52  (0.88)
              43.4        0.30 ± 0.66  (1.12)
              48.7        0.08 ± 0.50  (0.85)
              53.4        0.98 ± 0.56  (0.96)
              58.7        1.56 ± 0.48  (0.83)
              63.4        1.54 ± 0.46  (0.79)
              68.0        5.48 ± 0.38  (0.79)
              72.9       14.49 ± 0.56  (1.52)
              73.5       13.69 ± 0.42  (1.32)
              77.8       15.14 ± 0.26  (1.30)
              80.0       16.19 ± 0.87  (1.98)
              82.5       15.62 ± 0.41  (1.44)
              83.8       20.24 ± 1.35  (2.82)
              86.0       21.47 ± 1.13  (2.59)
              87.7       21.34 ± 0.21  (1.77)
              92.7       21.36 ± 0.58  (1.99)
              97.6       20.03 ± 0.15  (1.64)
             102.5       19.29 ± 0.23  (1.61)
             107.6       20.32 ± 0.14  (1.66)
             112.6       19.39 ± 0.22  (1.61)
             117.6       20.54 ± 0.14  (1.68)
             122.6       19.48 ± 0.14  (1.60)
             127.6       20.07 ± 0.10  (1.63)
             132.6       19.86 ± 0.25  (1.66)
             137.6       20.70 ± 0.12  (1.69)
             142.6       19.92 ± 0.23  (1.66)
             147.6       20.26 ± 0.10  (1.65)
             152.6       19.32 ± 0.26  (1.63)
             157.5       20.54 ± 0.19  (1.70)
             167.5       19.01 ± 0.13  (1.55)
             172.5       18.48 ± 0.19  (1.53)
             177.5       18.94 ± 0.26  (1.60)
             187.5       18.64 ± 0.19  (1.54)
             197.4       18.11 ± 0.10  (1.48)
             222.4       16.98 ± 0.18  (1.41)
             247.3       15.91 ± 0.18  (1.32)
             272.2       14.99 ± 0.11  (1.23)
             297.1       14.43 ± 0.12  (1.19)
             322.1       14.05 ± 0.09  (1.15)
             347.0       13.61 ± 0.10  (1.12)
             372.0       12.71 ± 0.12  (1.05)
             396.9       12.58 ± 0.15  (1.05)
             421.7       11.11 ± 0.24  (0.99)
             446.6       11.00 ± 0.19  (0.95)
             471.6       10.60 ± 0.14  (0.89)

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Last Modified: Friday, January 10, 1997