Half-life determination for {sup 108}Ag and {sup 110}Ag

In this work, the half-life of the short-lived silver radionuclides {sup 108}Ag and {sup 110}Ag were measured by following the activity of samples after they were irradiated in the IEA-R1 reactor. The results were then fitted using a non-paralizable dead time correction to the regular exponential de...

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Bibliographic Details
Main Authors: Zahn, Guilherme S., Genezini, Frederico A.
Format: Conference Proceeding
Language:English
Subjects:
COBALT 60
CORRECTIONS
DEAD TIME
HALF-LIFE
IEAR-1 REACTOR
IRRADIATION
NUCLEAR DECAY
NUCLEAR PHYSICS AND RADIATION PHYSICS
RADIATION SOURCES
SILVER 108
SILVER 110
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Summary:In this work, the half-life of the short-lived silver radionuclides {sup 108}Ag and {sup 110}Ag were measured by following the activity of samples after they were irradiated in the IEA-R1 reactor. The results were then fitted using a non-paralizable dead time correction to the regular exponential decay and the individual half-life values obtained were then analyzed using both the Normalized Residuals and the Rajeval techniques, in order to reach the most exact and precise final values. To check the validity of dead-time correction, a second correction method was also employed by means of counting a long-lived {sup 60}Co radioactive source together with the samples as a livetime chronometer. The final half-live values obtained using both dead-time correction methods were in good agreement, showing that the correction was properly assessed. The results obtained are partially compatible with the literature values, but with a lower uncertainty, and allow a discussion on the last ENSDF compilations' values.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4901785