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Development of a direction-sensitive gamma-ray monitoring system using a gamma camera with a dual-sided collimator: A Monte Carlo study

Authors
 Seong Ho Jung  ;  Kyuseok Kim  ;  Won Seuk Jang  ;  Hee-Kyo Jeong  ;  Byeong-Ju Kwon  ;  Sung-Uk Kuh  ;  Sei Hwan You  ;  Hyun Joon Choi  ;  Kyu Bom Kim 
Citation
 APPLIED RADIATION AND ISOTOPES, Vol.178 : 109937, 2021-12 
Journal Title
APPLIED RADIATION AND ISOTOPES
ISSN
 0969-8043 
Issue Date
2021-12
Keywords
Gamma camera ; Gamma-ray monitoring system ; Homeland security ; Monte Carlo simulation
Abstract
Nuclear explosions, sabotage, and dirty bomb materials are considered a security threat. This paper discusses the development of a gamma-ray monitoring system that enables the screening of nuclear materials moving simultaneously on both sides of the system at ports. This direction-sensitive gamma-ray monitoring (DSGM) system consists of a monolithic plastic scintillator surrounded by 28 photomultiplier tubes and dual-sided parallel-hole lead collimators. With Monte Carlo simulation, the monitoring performance of the DSGM system was assessed for static and moving sources. A multilayer perceptron model was employed to estimate the energy-deposited position of the gamma-rays emitted by nuclear materials in the scintillator.
Full Text
https://www.sciencedirect.com/science/article/pii/S0969804321003341
DOI
10.1016/j.apradiso.2021.109937
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kuh, Sung Uk(구성욱) ORCID logo https://orcid.org/0000-0003-2566-3209
Kwon, Byeong-Ju(권병주) ORCID logo https://orcid.org/0000-0001-9916-0546
Kim, Kyu Bom(김규범) ORCID logo https://orcid.org/0000-0002-3025-375X
Kim, Kyuseok(김규석)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187127
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