Experimental electron-impact ionization cross sections for Kr8+. Uncertainties are one-standard-deviation relative only; absolute uncertainty of the curve is ±8% at a 90% confidence level for a point near the peak of the curve. Reference: M.E. Bannister et al., Phys. Rev. A 38, 38 (1988).

             Energy         Cross Section
              (eV)           (10-18 cm2)
              124.7          0.03 ± 0.09
              134.5          0.06 ± 0.09
              144.4         -0.02 ± 0.08
              149.3          0.09 ± 0.05
              154.1          0.12 ± 0.05
              159.2          0.35 ± 0.07
              163.8          0.58 ± 0.05
              173.6          0.64 ± 0.06
              183.4          0.79 ± 0.06
              193.8          0.86 ± 0.06
              203.7          0.91 ± 0.06
              213.5          1.07 ± 0.06
              218.1          1.03 ± 0.06
              223.2          1.04 ± 0.05
              232.9          1.08 ± 0.05
              237.7          1.22 ± 0.05
              242.8          1.53 ± 0.04
              247.4          1.75 ± 0.06
              252.5          1.79 ± 0.06
              262.4          2.14 ± 0.06
              272.3          2.48 ± 0.06
              282.2          2.64 ± 0.06
              291.9          2.98 ± 0.06
              311.3          3.47 ± 0.06
              331.1          3.70 ± 0.05
              350.8          3.87 ± 0.04
              370.4          4.06 ± 0.05
              390.6          4.40 ± 0.06
              414.8          4.56 ± 0.05
              439.7          4.80 ± 0.06
              464.1          4.98 ± 0.05
              489.0          5.16 ± 0.05
              513.7          5.29 ± 0.05
              538.3          5.37 ± 0.05
              563.0          5.43 ± 0.04
              586.7          5.45 ± 0.05
              636.2          5.59 ± 0.04
              685.6          5.65 ± 0.03
              734.7          5.73 ± 0.03
              783.7          5.71 ± 0.04
              832.9          5.71 ± 0.03
              882.6          5.66 ± 0.03
              982.4          5.63 ± 0.03
             1081            5.46 ± 0.05
             1179            5.27 ± 0.03
             1277            5.03 ± 0.03
             1375            4.88 ± 0.03

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Last Modified: Friday, January 10, 1997