Comparison of the TDCR method and the CIEMAT/NIST method for ...
Comparison of the TDCR method and the CIEMAT/NIST method for ...
Comparison of the TDCR method and the CIEMAT/NIST method for ...
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Radionuclide<br />
89 Sr<br />
63 Ni<br />
kB in<br />
cm/MeV<br />
<strong>TDCR</strong><br />
a in kBq/g<br />
Analysis: kB-value<br />
<strong>CIEMAT</strong>/<br />
<strong>NIST</strong><br />
(a <strong>TDCR</strong> -a CN )/a <strong>TDCR</strong><br />
in %<br />
Unweighted<br />
mean activity<br />
a mean in<br />
kBq/g<br />
0.0075 189.45 189.16 0.15 189.31<br />
0.0110 189.49 189.14 0.18 189.32<br />
0.0075 11.04 10.95 0.82 11.00<br />
0.0110 11.14 10.91 2.06 11.03<br />
• A change in kB-value has inverse effect <strong>for</strong> <strong>TDCR</strong> <strong>and</strong><br />
<strong>CIEMAT</strong>/<strong>NIST</strong><br />
• Unweighted mean is robust against changes in kB<br />
• Applying both <strong>method</strong>s <strong>the</strong> model dependence can be<br />
reduced<br />
• Our analyses seem to favour kB=0.0075 cm/MeV<br />
O. Nähle <strong>and</strong> K. Kossert <strong>Comparison</strong> <strong>of</strong> <strong>TDCR</strong> <strong>and</strong> CN <strong>for</strong> β emitters
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