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Activity determination and nuclear decay data of 113mCd

Activity determination and nuclear decay data of 113mCd
Activity determination and nuclear decay data of 113mCd
The radionuclide 113mCd was extracted from a Cd component, which has been irradiated in a research reactor during its routine operation. A validated separation procedure was then used to obtain a 113mCd solution of high radiochemical purity. The solution was measured by means of liquid scintillation counting for activity determination. To this end, the CIEMAT/NIST efficiency tracing method as well as the triple-to-double coincidence (TDCR) counting technique were used. Measurements in a low-background gamma-ray spectrometer were applied to identify any potential photon-emitting impurities and to measure the 263.7 keV photons from the isomer transition. A gamma emission probability of 0.01839(29)% was determined for this line. The liquid scintillation measurements were also used to evaluate the half-life of 113mCd. The decay was followed for about 11 months and a half-life T1/2=13.97(13) years was obtained.
113mCd, Liquid scintillation counting, TDCR, CIEMAT/NIST, Free parameter model
0969-8043
500-505
Kossert, K.
bbaefe00-8ac7-4700-8ea8-1c570c0eca11
Nähle, O.
6881abb3-764b-454d-9379-a5dc43ebb6fc
Warwick, P.E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
Wershofen, H.
f18cf415-edc0-4c10-aa2a-9633aa94fc27
Croudace, I.W.
24deb068-d096-485e-8a23-a32b7a68afaf
Kossert, K.
bbaefe00-8ac7-4700-8ea8-1c570c0eca11
Nähle, O.
6881abb3-764b-454d-9379-a5dc43ebb6fc
Warwick, P.E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
Wershofen, H.
f18cf415-edc0-4c10-aa2a-9633aa94fc27
Croudace, I.W.
24deb068-d096-485e-8a23-a32b7a68afaf

Kossert, K., Nähle, O., Warwick, P.E., Wershofen, H. and Croudace, I.W. (2011) Activity determination and nuclear decay data of 113mCd. Applied Radiation and Isotopes, 69 (2), 500-505. (doi:10.1016/j.apradiso.2010.10.006).

Record type: Article

Abstract

The radionuclide 113mCd was extracted from a Cd component, which has been irradiated in a research reactor during its routine operation. A validated separation procedure was then used to obtain a 113mCd solution of high radiochemical purity. The solution was measured by means of liquid scintillation counting for activity determination. To this end, the CIEMAT/NIST efficiency tracing method as well as the triple-to-double coincidence (TDCR) counting technique were used. Measurements in a low-background gamma-ray spectrometer were applied to identify any potential photon-emitting impurities and to measure the 263.7 keV photons from the isomer transition. A gamma emission probability of 0.01839(29)% was determined for this line. The liquid scintillation measurements were also used to evaluate the half-life of 113mCd. The decay was followed for about 11 months and a half-life T1/2=13.97(13) years was obtained.

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More information

Published date: February 2011
Keywords: 113mCd, Liquid scintillation counting, TDCR, CIEMAT/NIST, Free parameter model

Identifiers

Local EPrints ID: 179523
URI: http://eprints.soton.ac.uk/id/eprint/179523
ISSN: 0969-8043
PURE UUID: 35050f94-7cea-4a55-8f0f-d1118a335c7d

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Date deposited: 01 Apr 2011 13:31
Last modified: 16 Jul 2019 23:43

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