Single ionization cross sections for U16+ 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 ±10% 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)
          292.2            0.02 ± 0.10
          341.1            0.16 ± 0.09
          351.4            0.16 ± 0.08
          361.3            0.10 ± 0.08
          371.1            0.11 ± 0.08
          380.8            0.21 ± 0.09
          390.2            0.52 ± 0.06
          399.7            0.89 ± 0.08
          410.1            1.22 ± 0.06
          419.8            1.58 ± 0.08
          429.7            1.86 ± 0.09
          439.4            2.08 ± 0.06
          444.3            2.09 ± 0.07
          449.2            2.31 ± 0.08
          453.8            2.35 ± 0.08
          458.6            2.17 ± 0.07
          464.3            2.47 ± 0.05
          469.1            2.58 ± 0.03
          474.3            2.53 ± 0.04
          478.9            2.62 ± 0.04
          484.1            2.68 ± 0.03
          489.2            2.65 ± 0.03
          494.0            2.77 ± 0.03
          489.9            2.71 ± 0.03
          503.7            2.80 ± 0.06
          508.7            2.82 ± 0.06
          513.5            2.87 ± 0.04
          518.3            2.83 ± 0.04
          523.2            3.20 ± 0.03
          528.3            3.03 ± 0.03
          533.1            3.11 ± 0.03
          538.1            3.03 ± 0.05
          543.0            3.04 ± 0.06
          548.0            3.04 ± 0.06
          552.7            3.14 ± 0.04
          557.7            3.17 ± 0.04
          562.5            3.08 ± 0.03
          567.6            3.30 ± 0.03
          572.3            3.21 ± 0.04
          577.4            3.31 ± 0.03
          587.4            3.14 ± 0.06
          597.0            3.29 ± 0.05
          606.8            3.29 ± 0.05
          616.6            3.26 ± 0.05
          626.4            3.46 ± 0.06
          646.1            3.45 ± 0.05
          665.8            3.35 ± 0.07
          688.2            3.45 ± 0.03
          709.9            3.43 ± 0.05
          734.5            3.68 ± 0.08
          783.8            3.63 ± 0.07
          832.5            3.68 ± 0.07
          881.7            3.53 ± 0.10
          979.7            3.59 ± 0.06
         1082              3.45 ± 0.05
         1180              3.33 ± 0.06
         1279              3.22 ± 0.05
         1378              3.22 ± 0.04
         1476              3.09 ± 0.05

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Last Modified: Friday, January 10, 1997