2.9. Neutron activation analysis of archaeological artifacts
2.9. Neutron activation analysis of archaeological artifacts
2.9. Neutron activation analysis of archaeological artifacts
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<strong>Neutron</strong> <strong>activation</strong> with accelerators<br />
109<br />
Ag(n,γ) 110 Ag<br />
activity measurement:<br />
110<br />
Ag(β - ) 110 Cd<br />
(t 1/2 =250 d)<br />
Stable Silver isotope 109 Ag<br />
Stable Gold isotope 197 Au<br />
Determination<br />
<strong>of</strong> neutron flux<br />
197<br />
Au(n,γ) 198 Au<br />
activity measurement<br />
198<br />
Au(β-) 198 Cd<br />
(t 1/2<br />
=2.7 d)<br />
Copper<br />
Proton beam<br />
Lithium<br />
Au<br />
<strong>Neutron</strong>cone<br />
109<br />
Ag<br />
Additional measurement <strong>of</strong><br />
Cu and Au content in coin!<br />
<strong>Neutron</strong> source:<br />
7<br />
Li(p,n) 7 Be
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