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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 InterSource 1251L source
Radius / cm gL(r)
L=0.435 cm
gp(r)Unc.
%
0.05 0.928 0.291 0.03
0.06 0.762 0.278 0.03
0.07 0.713 0.294 0.03
0.08 0.714 0.325 0.03
0.09 0.734 0.364 0.02
0.10 0.761 0.405 0.02
0.15 0.870 0.589 0.03
0.20 0.935 0.722 0.03
0.25 0.972 0.812 0.04
0.30 0.994 0.874 0.05
0.40 1.017 0.946 0.06
0.50 1.024 0.981 0.07
0.60 1.026 0.999 0.09
0.70 1.021 1.005 0.10
0.75 1.020 1.008 0.11
0.80 1.016 1.007 0.12
0.90 1.009 1.006 0.13
1.00 0.999 0.999 0.00
1.50 0.937 0.945 0.09
2.00 0.860 0.870 0.13
2.50 0.779 0.789 0.17
3.00 0.697 0.707 0.22
3.50 0.619 0.627 0.27
4.00 0.546 0.554 0.33
4.50 0.477 0.484 0.39
5.00 0.417 0.424 0.47
5.50 0.365 0.370 0.28
6.00 0.316 0.321 0.32
6.50 0.275 0.279 0.38
7.00 0.239 0.243 0.43
7.50 0.206 0.209 0.50
8.00 0.177 0.180 0.57
8.50 0.153 0.155 0.66
9.00 0.132 0.134 0.75
9.50 0.114 0.116 0.85
10.00 0.0973 0.0988 0.96

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
0.1010.009.0016E-05-3.8520E-021.1208E+003.7691E-01-2.1028E-029.4002E-043.6410E-01


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August 29 2008.