Abstract
In this study, a Monte Carlo program has been developed to simulate the response function of the NaI(Tl) detector with all features for 60Co and 137Cs and to investigate the effects of detector housing material on response function. The pulse height spectra in a 2″ × 2″ NaI(Tl) detector due to these gamma ray sources have been measured. Comparison of the experimentally obtained and simulated spectra shows that there is good agreement between both spectra. Energy distributions of gamma photons that generate the backscattering peak in the response function were obtained and the contribution of single, double and multiple Compton scattering events to these distributions was investigated.
Similar content being viewed by others
References
Peralta L (2004) Measuring the activity of a radioactive source in the classroom. Eur J Phys 25:211–219
Yalcin S, Gurler O, Kaynak G, Gundogdu O (2007) Calculation of total counting efficiency of a NaI(Tl) detector by hybrid Monte-Carlo method for point and disc sources. Appl Radiat Isot 65:1179–1186
Shi H, Chen B, Li T, Yun D (2002) Precise Monte Carlo simulation of gamma-ray response functions for an NaI(Tl) detector. Appl Radiat Isot 57:517–524
Ashrafi S, Anvarian S, Sobhanian S (2006) Monte Carlo modeling of a NaI(Tl) scintillator. J Radio Nucl Chem 269:95–98
Hakimabad HM, Panjeh H, Vejdani-Noghreiyan A (2007) Response function of 3 × 3 in. NaI scintillation detector in the range of 0.081 to 4.438 MeV. Asian J Exp Sci 21:233–237
Cengiz A (2008) An approximation for response function to γ-rays of NaI(Tl) detectors up to 1.5 MeV. Appl Radiat Isot 66:1371–1376
Tavakoli-Anbaran H, Izadi-Najafabadi R, Miri-Hakimabad H (2009) The effect of detector dimensions on the NaI(Tl) detector response function. J Appl Sci 9:2168–2173
Manglos SH, Floyd CE, Jaszczak RJ, Greer KL, Harris CC, Coleman RE (1987) Experimentally measured scatter fractions and energy spectra as a test of Monte Carlo simulations. Phys Med Biol 32:335–343
Ghal-Eh N, Etaati GR, Mottaghian M (2010) Monte Carlo simulation of inorganic scintillators response to gamma rays: a comparative study. World Appl Sci J 8:784–788
Thakur AN (1997) Analysis of gamma-ray continuum spectra to determine the chemical composition. J Radio Nucl Chem 215:161–167
Şahin D, Ünlü K (2009) Modeling a gamma spectroscopy system and predicting spectra with Geant-4. J Radio Nucl Chem 282:167–172
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Akar Tarim, U., Ozmutlu, E.N., Gurler, O. et al. The effect of the housing material on the NaI(Tl) detector response function. J Radioanal Nucl Chem 293, 425–429 (2012). https://doi.org/10.1007/s10967-012-1716-z
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10967-012-1716-z