Electron-impact single ionization cross sections for Si6+. Uncertainties are one-standard-deviation relative only; absolute uncertainties near the peak of the cross section are typically ±9% at a 90%-confidence level. Reference: P. A. Zeijlmans van Emmichoven et al., Phys. Rev. A 47, 2888 (1993).

       Energy     Cross Section
        (eV)       (10-18 cm2)
        196       0.056 ± 0.064
        220       0.061 ± 0.058
        245       0.106 ± 0.060
        254       0.202 ± 0.067
        269       0.382 ± 0.047
        279       0.564 ± 0.068
        294       0.685 ± 0.034
        317       0.909 ± 0.073
        342       1.047 ± 0.029
        365       1.206 ± 0.054
        373       1.123 ± 0.094
        382       1.080 ± 0.093
        391       1.271 ± 0.041
        402       1.410 ± 0.091
        411       1.359 ± 0.090
        421       1.354 ± 0.089
        440       1.546 ± 0.037
        463       1.662 ± 0.073
        491       1.601 ± 0.067
        516       1.580 ± 0.064
        536       1.656 ± 0.048
        566       1.680 ± 0.066
        588       1.811 ± 0.043
        638       1.802 ± 0.046
        687       1.779 ± 0.064
        735       1.809 ± 0.051
        784       1.750 ± 0.054
        987       1.745 ± 0.084
       1085       1.652 ± 0.078
       1183       1.670 ± 0.078
       1403       1.626 ± 0.076

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Last Modified: Friday, January 10, 1997