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The CLRP TG-43 Parameter Database
R. E. P. Taylor and D. W. O. Rogers

Radial dose function data for the Advantage IA1-125A source
Radius / cm gL(r)
L=0.300 cm		gp(r)Unc.
%
0.05 1.143 0.480 0.02
0.06 1.096 0.526 0.02
0.07 1.080 0.576 0.02
0.08 1.076 0.625 0.02
0.09 1.077 0.671 0.02
0.10 1.080 0.713 0.02
0.15 1.094 0.865 0.03
0.20 1.099 0.950 0.04
0.25 1.099 0.997 0.05
0.30 1.096 1.024 0.05
0.40 1.087 1.048 0.07
0.50 1.076 1.053 0.09
0.60 1.064 1.051 0.11
0.70 1.052 1.044 0.13
0.75 1.045 1.039 0.14
0.80 1.034 1.030 0.15
0.90 1.017 1.015 0.17
1.00 1.003 1.003 0.00
1.50 0.913 0.917 0.11
2.00 0.819 0.823 0.16
2.50 0.725 0.729 0.21
3.00 0.636 0.640 0.27
3.50 0.553 0.557 0.33
4.00 0.484 0.488 0.41
4.50 0.422 0.425 0.49
5.00 0.367 0.369 0.58
5.50 0.313 0.315 0.35
6.00 0.271 0.273 0.40
6.50 0.235 0.237 0.47
7.00 0.200 0.202 0.54
7.50 0.171 0.172 0.63
8.00 0.148 0.149 0.72
8.50 0.125 0.126 0.83
9.00 0.107 0.108 0.95
9.50 0.0919 0.0926 1.08
10.00 0.0802 0.0808 1.21
Fitting coefficients for gL(r) = (a0r-2 + a1r-1 +a2 + a3r +a4r2 + a5r3) e-a6r
Fit rangeCoefficients
rmin (cm)rmax (cm)a0 / cm2a1 / cma2a3 / cm-1a4 / cm-2a5 / cm-3a6 / cm-1
0.0510.006.7921E-04-1.5741E-021.1828E+002.5623E-01-2.5011E-021.0344E-033.3650E-01

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August 29 2008.