Reference : Optimal measurement counting time and statistics in gamma spectrometry analysis: The ...
Scientific conferences in universities or research centers : Scientific conference in universities or research centers
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/209950
Optimal measurement counting time and statistics in gamma spectrometry analysis: The time balance
English
Guembou Shouop, Cébastien Joel mailto [Université de Liège - ULiège > > > Form. doct. sc. (phys. - Paysage)]
Penabei, Samafou []
Ndontchueng Moyo, Maurice []
Chene, Grégoire mailto [Université de Liège > Département de physique > Spectroscopie atomique et nucléaire, archéométrie >]
Nguelem Mekontso, Eric Jilbert []
Takoukam, Serge Didier []
Werner, Volker []
Strivay, David mailto [Université de Liège > Département de physique > Spectroscopie atomique et nucléaire, archéométrie >]
4-Jan-2017
6
International
GAMMA 2016
12 Juillet 2016
Allemagne
[en] time measurement ; Spectrum analysis ; Statistical analysis ; Gamma rays ; Gamma detector ; HPGe
[en] The optimal measurement counting time for gamma-ray spectrometry analysis using HPGe detectors was determined in our laboratory by comparing twelve hours measurement counting time at day and twelve hours measurement counting time at night. The day spectrum does not fully cover the night spectrum for the same sample. It is observed that the perturbation come to the sun-light. After several investigations became clearer: to remove all effects of radiation from outside (earth, the sun, and universe) our system, it is necessary to measure the background for 24, 48 or 72 hours. In the same way, the samples have to be measured for 24, 48 or 72 hours to be safe to be purified the measurement (equality of day and night measurement). It is also possible to not use the background of the winter in summer. Depend on to the energy of radionuclide we seek, it is clear that the most important steps of a gamma spectrometry measurement are the preparation of the sample and the calibration of the detector.
ULg
American Institute of Physics
http://hdl.handle.net/2268/209950
10.1063/1.4969040
http://dx.doi.org/10.1063/1.4969040

File(s) associated to this reference

Fulltext file(s):

FileCommentaryVersionSizeAccess
Open access
Gamma2016.pdfPublisher postprint487.04 kBView/Open

Bookmark and Share SFX Query

All documents in ORBi are protected by a user license.