Experimental electron-impact ionization cross sections for Fe11+. Uncertainties listed here are one-standard-deviation relative only, while the absolute uncertainty for a typical point near the peak cross section is ±14% at a 90% confidence level. Reference: D.C. Gregory et al., Phys. Rev. A 35, 3256 (1987).

         Energy          Cross Section
          (eV)            (10-18 cm2)
           293            0.02 ± 0.05
           317           -0.02 ± 0.07
           342            0.19 ± 0.06
           391            0.36 ± 0.05
           440            0.52 ± 0.06
           490            0.60 ± 0.06
           540            0.73 ± 0.04
           590            0.79 ± 0.04
           639            0.80 ± 0.04
           664            0.83 ± 0.05
           688            0.84 ± 0.06
           713            0.90 ± 0.05
           738            0.95 ± 0.04
           763            1.06 ± 0.05
           788            1.17 ± 0.03
           812            1.09 ± 0.04
           838            1.16 ± 0.04
           862            1.09 ± 0.05
           887            1.11 ± 0.04
           935            1.08 ± 0.05
           988            1.12 ± 0.04
          1039            1.15 ± 0.03
          1090            1.04 ± 0.04
          1138            1.07 ± 0.05
          1189            1.05 ± 0.04
          1288            1.04 ± 0.04
          1385            0.93 ± 0.04
          1481            0.80 ± 0.03

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Last Modified: Friday, January 10, 1997