TABLE 4

Relative Contribution to S Values from β-Particles, Auger Electrons, and Internal Conversion Electrons

Sphere radius (μm)Sphere diameter (μm)Fraction of energy retained in sphereAuger contribution (%)CE contribution (%)β contribution (%)
0.050.14.3 × 10−476.81.222
0.10.26.81 × 10−468.71.629.7
0.512.13 × 10−348.62.848.6
123.42 × 10−336.53.659.9
5101.18 × 10−213.46.180.6
10202.15 × 10−28.5784.5
501008.73 × 10−22.59.188.4
1002001.53 × 10−11.47.291.4
5001,0004.94 × 10−10.454.794.9
2,5005,0008.71 × 10−10.254.894.9
  • CE = conversion electron.