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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 SPEC M19 source
Radius / cm gL(r)
L=0.35 cm		gp(r)Unc.
%
0.20 0.990 0.822 0.04
0.25 0.993 0.875 0.05
0.30 0.993 0.908 0.06
0.40 0.994 0.947 0.08
0.50 0.995 0.967 0.10
0.60 0.992 0.975 0.12
0.70 0.996 0.986 0.14
0.75 0.998 0.990 0.15
0.80 0.996 0.990 0.16
0.90 0.997 0.995 0.18
1.00 1.000 1.000 0.19
1.25 1.000 1.004 0.05
1.50 1.001 1.007 0.06
1.75 1.003 1.010 0.07
2.00 1.004 1.012 0.08
2.50 1.007 1.015 0.09
3.00 1.008 1.017 0.11
3.50 1.005 1.014 0.13
4.00 1.003 1.013 0.15
4.50 1.002 1.012 0.16
5.00 0.999 1.008 0.18
6.00 0.994 1.003 0.11
7.00 0.984 0.993 0.12
8.00 0.969 0.979 0.14
9.00 0.956 0.965 0.15
10.00 0.939 0.949 0.17
11.00 0.920 0.929 0.09
12.00 0.898 0.907 0.10
13.00 0.874 0.883 0.11
14.00 0.849 0.858 0.12
15.00 0.823 0.831 0.13
16.00 0.796 0.804 0.14
17.00 0.768 0.776 0.14
18.00 0.741 0.748 0.15
19.00 0.711 0.718 0.16
20.00 0.685 0.692 0.18
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
0.2020.001.0724E-03-7.4959E-031.0033E+001.1575E-016.7725E-036.2237E-051.1282E-01

Fitting coefficients for gL(r) = a0 + a1r +a2r2 + a3r3 +a4r4 + a5r5
Fit rangeCoefficients
rmin (cm)rmax (cm)a0 a1 / cm-1a2 / cm-2a3 / cm-3a4 / cm-4a5 / cm-5
0.2020.009.8986E-011.2801E-02-2.8227E-031.7267E-04-8.9151E-061.9193E-07

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August 29 2008.