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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 Braquibac I125 source
Radius / cm gL(r)
L=0.307 cm
gp(r)Unc.
%
0.05 1.053 0.434 0.03
0.06 1.024 0.483 0.02
0.07 1.019 0.535 0.02
0.08 1.023 0.586 0.02
0.09 1.030 0.634 0.02
0.10 1.038 0.677 0.02
0.15 1.070 0.840 0.03
0.20 1.083 0.931 0.04
0.25 1.089 0.984 0.05
0.30 1.089 1.015 0.06
0.40 1.085 1.044 0.08
0.50 1.073 1.049 0.09
0.60 1.063 1.049 0.11
0.70 1.050 1.042 0.13
0.75 1.042 1.036 0.14
0.80 1.038 1.033 0.15
0.90 1.018 1.016 0.17
1.00 0.997 0.997 0.00
1.50 0.912 0.916 0.12
2.00 0.819 0.824 0.17
2.50 0.724 0.728 0.23
3.00 0.638 0.643 0.29
3.50 0.561 0.565 0.36
4.00 0.487 0.491 0.44
4.50 0.426 0.429 0.52
5.00 0.370 0.372 0.62
5.50 0.318 0.321 0.37
6.00 0.274 0.276 0.43
6.50 0.238 0.240 0.50
7.00 0.205 0.206 0.58
7.50 0.175 0.176 0.67
8.00 0.149 0.150 0.77
8.50 0.128 0.129 0.88
9.00 0.111 0.112 1.01
9.50 0.0928 0.0935 1.15
10.00 0.0799 0.0805 1.31

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
0.0510.007.0485E-04-2.1444E-021.1969E+002.5892E-01-1.9130E-027.4604E-043.4830E-01


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August 29 2008.