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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 IsoStar IS-12501 source
Radius / cm gL(r)
L=0.340 cm		gp(r)Unc.
%
0.05 1.094 0.417 0.05
0.06 1.039 0.456 0.04
0.07 1.023 0.502 0.04
0.08 1.020 0.548 0.04
0.09 1.025 0.594 0.04
0.10 1.031 0.636 0.04
0.15 1.069 0.807 0.06
0.20 1.090 0.912 0.07
0.25 1.102 0.977 0.09
0.30 1.100 1.010 0.10
0.40 1.093 1.043 0.14
0.50 1.084 1.055 0.17
0.60 1.072 1.055 0.20
0.70 1.054 1.044 0.24
0.75 1.047 1.040 0.26
0.80 1.039 1.033 0.28
0.90 1.024 1.021 0.31
1.00 0.993 0.993 0.00
1.50 0.898 0.903 0.11
2.00 0.800 0.806 0.16
2.50 0.703 0.709 0.21
3.00 0.615 0.620 0.27
3.50 0.534 0.539 0.33
4.00 0.463 0.467 0.40
4.50 0.403 0.407 0.49
5.00 0.348 0.351 0.58
5.50 0.298 0.301 0.34
6.00 0.253 0.256 0.41
6.50 0.218 0.220 0.47
7.00 0.189 0.191 0.54
7.50 0.160 0.161 0.63
8.00 0.138 0.139 0.73
8.50 0.118 0.119 0.83
9.00 0.102 0.103 0.94
9.50 0.0880 0.0888 1.07
10.00 0.0731 0.0738 1.23
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
0.0510.001.0827E-03-3.0314E-021.2465E+001.7819E-01-2.2716E-021.0380E-033.1760E-01

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D.W.O. Rogers home page
August 29 2008.