The spectrum of gamma energy absorption in the NaI crystal (scintillation detector) is the interaction result of gamma photon with NaI crystal, and it’s associated with the photon gamma energy incoming to the detector. Through a simulation approach, we can perform an early observation of gamma energy absorption spectrum in a scintillator crystal detector (NaI) before the experiment conducted. In this paper, we present a simulation model result of gamma energy absorption spectrum for energy 100-700 keV (i.e. 297 keV, 400 keV and 662 keV). This simulation developed based on the concept of photon beam point source distribution and photon cross section interaction with the Monte Carlo method. Our computational code has been successfully predicting the multiple energy peaks absorption spectrum, which derived from multiple photon energy sources.
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16 April 2015
THE 5TH ASIAN PHYSICS SYMPOSIUM (APS 2012)
10–12 July 2012
Bandung, Indonesia
Research Article|
April 16 2015
Simulation of energy absorption spectrum in NaI crystal detector for multiple gamma energy using Monte Carlo method
Rahadi Wirawan;
Rahadi Wirawan
#
1Department of Physics,
Bandung Institute of Technology
, Jl. Ganesha 10, Bandung 40132, Indonesia
2Department of Physics,
FMIPA Mataram University
, Jl. Majapahit 62 Mataram 83125, Indonesia
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Abdul Waris;
Abdul Waris
1Department of Physics,
Bandung Institute of Technology
, Jl. Ganesha 10, Bandung 40132, Indonesia
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Mitra Djamal;
Mitra Djamal
1Department of Physics,
Bandung Institute of Technology
, Jl. Ganesha 10, Bandung 40132, Indonesia
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Gunawan Handayani
Gunawan Handayani
1Department of Physics,
Bandung Institute of Technology
, Jl. Ganesha 10, Bandung 40132, Indonesia
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AIP Conf. Proc. 1656, 060008 (2015)
Citation
Rahadi Wirawan, Abdul Waris, Mitra Djamal, Gunawan Handayani; Simulation of energy absorption spectrum in NaI crystal detector for multiple gamma energy using Monte Carlo method. AIP Conf. Proc. 16 April 2015; 1656 (1): 060008. https://doi.org/10.1063/1.4917139
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