Single ionization cross sections for U13+ ions. Cross section uncertainties are relative only at the equivalent of one standard deviation for statistics; collision energy uncertainties range from ±0.2 (at low energies) to ±1 eV (at high energies). Absolute uncertainty for a point near the peak cross section is ±9% at the two-standard-deviation level. Reference: D.C. Gregory et al., Phys. Rev. A 41, 106 (1990).

         Energy            Cross Section
          (eV)              (10-18 cm2)
          186.8             0.00 ± 0.10
          197.0             0.19 ± 0.13
          206.2             1.22 ± 0.11
          215.9             1.74 ± 0.08
          226.0             2.37 ± 0.09
          235.6             2.86 ± 0.08
          245.3             3.87 ± 0.07
          245.7             4.04 ± 0.11
          255.1             4.55 ± 0.06
          264.9             5.18 ± 0.05
          274.6             5.51 ± 0.06
          284.6             6.07 ± 0.05
          294.4             6.23 ± 0.05
          294.7             6.47 ± 0.10
          304.1             6.66 ± 0.05
          313.9             6.79 ± 0.07
          323.9             7.13 ± 0.07
          333.5             7.72 ± 0.07
          343.9             7.86 ± 0.09
          353.2             8.08 ± 0.07
          363.1             7.82 ± 0.08
          372.6             8.11 ± 0.07
          382.3             8.12 ± 0.08
          392.6             8.26 ± 0.06
          401.9             8.08 ± 0.08
          411.8             8.40 ± 0.07
          421.6             8.38 ± 0.07
          431.3             8.56 ± 0.08
          441.6             8.50 ± 0.07
          450.8             8.72 ± 0.08
          461.1             8.66 ± 0.08
          470.7             8.75 ± 0.08
          480.6             8.83 ± 0.08
          491.0             8.73 ± 0.13
          510.0             8.70 ± 0.06
          529.0             8.67 ± 0.08
          549.4             8.61 ± 0.06
          569.1             8.44 ± 0.05
          588.6             8.23 ± 0.05
          613.1             8.06 ± 0.06
          637.8             7.92 ± 0.06
          662.5             7.94 ± 0.06
          667.1             7.93 ± 0.05
          672.0             7.68 ± 0.05
          673.9             7.58 ± 0.04
          676.9             7.84 ± 0.05
          687.0             7.65 ± 0.04
          698.6             7.66 ± 0.04
          711.3             7.80 ± 0.06
          723.4             7.59 ± 0.04
          736.1             7.58 ± 0.05
          760.8             7.50 ± 0.04
          785.4             7.50 ± 0.06
          794.6             7.38 ± 0.03
          804.8             7.53 ± 0.05
          807.6             7.14 ± 0.03
          809.6             7.16 ± 0.03
          814.8             7.49 ± 0.05
          824.4             7.46 ± 0.05
          834.3             7.49 ± 0.07
          844.1             7.40 ± 0.04
          859.0             7.15 ± 0.04
          883.5             7.11 ± 0.05
          907.9             6.90 ± 0.04
          932.6             6.96 ± 0.05
          935.8             6.83 ± 0.05
          957.3             6.85 ± 0.03
          982.0             6.48 ± 0.04
          985.3             6.66 ± 0.05
         1084               6.23 ± 0.04
         1182               6.01 ± 0.03
         1281               5.87 ± 0.04
         1281               5.59 ± 0.04
         1379               5.58 ± 0.03
         1478               5.34 ± 0.03

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Last Modified: Friday, January 10, 1997