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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 TheraSeed 200 source
Radius / cm gL(r)
L=0.423 cm
gp(r)Unc.
%
0.05 0.249 0.0799 0.07
0.06 0.401 0.149 0.05
0.07 0.561 0.236 0.04
0.08 0.704 0.327 0.04
0.09 0.826 0.417 0.04
0.10 0.929 0.503 0.04
0.15 1.226 0.842 0.05
0.20 1.340 1.046 0.05
0.25 1.381 1.163 0.07
0.30 1.390 1.228 0.08
0.40 1.365 1.274 0.10
0.50 1.310 1.257 0.13
0.60 1.245 1.214 0.16
0.70 1.180 1.163 0.19
0.75 1.148 1.136 0.20
0.80 1.113 1.105 0.22
0.90 1.059 1.056 0.25
1.00 1.001 1.001 0.00
1.50 0.742 0.748 0.10
2.00 0.552 0.558 0.15
2.50 0.407 0.412 0.22
3.00 0.298 0.302 0.31
3.50 0.219 0.222 0.42
4.00 0.160 0.162 0.57
4.50 0.117 0.119 0.74
5.00 0.0865 0.0878 0.96
5.50 0.0635 0.0644 0.31
6.00 0.0469 0.0476 0.39
6.50 0.0346 0.0351 0.49
7.00 0.0256 0.0260 0.60
7.50 0.0193 0.0196 0.74
8.00 0.0147 0.0149 0.90
8.50 0.0112 0.0114 1.09
9.00 0.0084 0.0085 1.32
9.50 0.0064 0.0065 1.58
10.00 0.0051 0.0052 1.84

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
0.1010.00-3.6394E-03-5.8095E-021.9098E+00-2.6445E-011.2862E-027.0066E-114.6780E-01


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