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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.4
- 수록면
- 1,259 - 1,265 (7page)
- DOI
- https://doi.org/10.1016/j.net.2020.09.008
이용수
초록· 키워드
오류제보하기
In the present study, a large-area hybrid gamma imaging system was designed by adopting codedaperture imaging on the basis of a large-area Compton camera to achieve high imaging performancethroughout a broad energy range (100e2000 keV). The system consisting of a tungsten coded aperturemask and monolithic NaI(Tl) scintillation detectors was designed through a series of Geant4 Monte Carloradiation transport simulations, in consideration of both imaging sensitivity and imaging resolution.
Then, the performance of the system was predicted by Geant4 Monte Carlo simulations for point sourcesunder various conditions. Our simulation results show that the system provides very high imagingsensitivity (i.e., low values for minimum detectable activity, MDA), thus allowing for imaging of lowactivitysources at distances impossible with coded aperture imaging or Compton imaging alone. Inaddition, the imaging resolution of the system was found to be high (i.e., around 6 ) over the broadenergy range of 59.5e1330 keV
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참고문헌 (27)
참고문헌 신청
L. E. Smith / 1998 / Design and modeling of the hybrid portable gamma camera system / IEEE Trans. Nucl. Sci 45:963~969
Y. Kim / 2018 / Large-area Compton camera for high-speed and 3-D imaging / IEEE Trans. Nucl. Sci 65(11):2817~2822
M. Galloway / 2011 / Simulation and detector response for the high efficiency multimode imager / Nucl. Instrum. Methods A 652(1):641~645
A. Kishimoto / 2014 / Performance and field tests of a handheld Compton camera using 3-D position-sensitive scintillators coupled to multi-pixel photon counter arrays / J. Instrum 9
S. Takeda / 2015 / A portable Si/CdTe Compton camera and its applications to the visualization of radioactive substances / Nucl. Instrum. Methods A 787:207~211
Y. Kim / 2018 / Large-area Compton camera for high-speed and 3-D imaging / IEEE Trans. Nucl. Sci 65(11):2817~2822
M. Galloway / 2011 / Simulation and detector response for the high efficiency multimode imager / Nucl. Instrum. Methods A 652(1):641~645
A. Kishimoto / 2014 / Performance and field tests of a handheld Compton camera using 3-D position-sensitive scintillators coupled to multi-pixel photon counter arrays / J. Instrum 9
S. Takeda / 2015 / A portable Si/CdTe Compton camera and its applications to the visualization of radioactive substances / Nucl. Instrum. Methods A 787:207~211
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