Application of the Monte Carlo method for the efficiency calibration of CsI and NaI detectors for gamma-ray measurements from terrestrial samples

被引：24
作者：
Baccouche, S. [2 ]
Al-Azmi, D. [1 ]
Karunakara, N. [3 ]
Trabelsi, A. [2 ,4 ]
机构：
[1] Publ Author Appl Educ & Training, Coll Technol Studies, Dept Appl Sci, Shuwaikh 70654, Kuwait
[2] Natl Ctr Nucl Sci & Technol, UR MDTN, Sidi Thabet 2020, Tunisia
[3] Mangalore Univ, Univ Sci Instrumentat Ctr, Mangalagangothri 574199, Karnataka, India
[4] El Manar Univ, UR UPNHE, Fac Sci Tunis, Tunis 2092, Tunisia
来源：
APPLIED RADIATION AND ISOTOPES | 2012年 / 70卷 / 01期
关键词：
CsI(TI); NaI(TI); Gamma-ray spectrometry; Terrestrial measurements; Monte carlo simulation; Coincidence summing; COINCIDENCE-SUMMING CORRECTIONS; SPECTROMETRY; SIMULATION;
D O I：
10.1016/j.apradiso.2011.07.008
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Gamma-ray measurements in terrestrial/environmental samples require the use of high efficient detectors because of the low level of the radionuclide activity concentrations in the samples; thus scintillators are suitable for this purpose. Two scintillation detectors were studied in this work; CsI(TI) and NaI(TI) with identical size for measurement of terrestrial samples for performance study. This work describes a Monte Carlo method for making the full-energy efficiency calibration curves for both detectors using gamma-ray energies associated with the decay of naturally occurring radionuclides Cs-137 (661 key), K-40 (1460 key), U-238 (Bi-214, 1764 key) and Th-232 ((TI)-T-208, 2614 key), which are found in terrestrial samples. The magnitude of the coincidence summing effect occurring for the 2614 keV emission of (TI)-T-208 is assessed by simulation. The method provides an efficient tool to make the full-energy efficiency calibration curve for scintillation detectors for any samples geometry and volume in order to determine accurate activity concentrations in terrestrial samples. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：227 / 232
页数：6
相关论文
共 23 条
[1]   GEANT4-a simulation toolkit [J].
Agostinelli, S ;
Allison, J ;
Amako, K ;
Apostolakis, J ;
Araujo, H ;
Arce, P ;
Asai, M ;
Axen, D ;
Banerjee, S ;
Barrand, G ;
Behner, F ;
Bellagamba, L ;
Boudreau, J ;
Broglia, L ;
Brunengo, A ;
Burkhardt, H ;
Chauvie, S ;
Chuma, J ;
Chytracek, R ;
Cooperman, G ;
Cosmo, G ;
Degtyarenko, P ;
Dell'Acqua, A ;
Depaola, G ;
Dietrich, D ;
Enami, R ;
Feliciello, A ;
Ferguson, C ;
Fesefeldt, H ;
Folger, G ;
Foppiano, F ;
Forti, A ;
Garelli, S ;
Giani, S ;
Giannitrapani, R ;
Gibin, D ;
Cadenas, JJG ;
González, I ;
Abril, GG ;
Greeniaus, G ;
Greiner, W ;
Grichine, V ;
Grossheim, A ;
Guatelli, S ;
Gumplinger, P ;
Hamatsu, R ;
Hashimoto, K ;
Hasui, H ;
Heikkinen, A ;
Howard, A .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 506 (03) :250-303
[2]   Towards the use of small amounts of activated charcoal along with well-type NaI(Tl) detector for indoor radon measurements [J].
Al-Azmi, Darwish .
RADIATION PROTECTION DOSIMETRY, 2006, 121 (04) :413-419
[3]   Comparative studies of YAG(Ce) and CsI(Tl) scintillators [J].
Bhattacharjee, T ;
Basu, SK ;
Dey, CC ;
Chatterjee, MB .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2002, 484 (1-3) :364-368
[4]   Practical applicability of field γ-ray scintillation spectrometry in geophysical surveys [J].
Chiozzi, P ;
Pasquale, V ;
Verdoya, M ;
De Felice, P .
APPLIED RADIATION AND ISOTOPES, 2000, 53 (1-2) :215-220
[5]  
Firestone R.B., 1996, Table of Isotopes, Veighth
[6]   Coincidence summing corrections for the natural decay series in γ-ray spectrometry [J].
García-Talavera, M ;
Laedermann, JP ;
Décombaz, M ;
Daza, MJ ;
Quintana, B .
APPLIED RADIATION AND ISOTOPES, 2001, 54 (05) :769-776
[7]   A comparison of methods for the annual radiation dose determination in the luminescence dating of loess sediment [J].
Hossain, SM ;
De Corte, F ;
Vandenberghe, D ;
Van den haute, P .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2002, 490 (03) :598-613
[8]   GEANT4 code for simulation of a germanium gamma-ray detector and its application to efficiency calibration [J].
Hurtado, S ;
García-León, M ;
García-Tenorio, R .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2004, 518 (03) :764-774
[9]  
*IAEA, 1987, REPORTIAEARL148
[10]  
IRFAN M, 1973, NUCL INSTRUMENTS MET, V107, P585
123