Multitracing Capability of Double-Scattering Compton Imager With NaI(Tl) Scintillator Absorber
- Authors
- Seo, Hee; Kim, Chan Hyeong; Park, Jin Hyung; Kim, Jong Kyung; Lee, Ju Hahn; Lee, Chun Sik; Kim, Soo Mee; Lee, Jae Sung
- Issue Date
- Jun-2010
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Compton camera; double-scattering; multitracing; NaI(Tl) scintillator
- Citation
- IEEE TRANSACTIONS ON NUCLEAR SCIENCE, v.57, no.3, pp.1420 - 1425
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON NUCLEAR SCIENCE
- Volume
- 57
- Number
- 3
- Start Page
- 1420
- End Page
- 1425
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174885
- DOI
- 10.1109/TNS.2009.2035806
- ISSN
- 0018-9499
- Abstract
- The Compton camera can provide 3-D images of radioactive material distribution based on a single measurement at a fixed position. The Compton camera also can image several different kinds of radioactive materials simultaneously, by means of the "multitracing" capability. In the present study, this multitracing capability was tested for a double-scattering-type Compton camera, or Double-Scattering Compton Imager (DOCI), which utilizes two double-sided silicon strip detectors (DSSDs) and one NaI(Tl) scintillation detector. Our experimental result shows that the Cs-137 and Co-60 gamma sources can be clearly distinguished in 2-D and 3-D Compton images, and that there is no significant interference between the two gamma sources. The imaging resolutions were determined to be 6.2 and 4.7 mm FWHM for the Cs-137 (662 keV) and Co-60 (1332 keV) point sources at 4 cm, respectively. The angular resolutions, determined from the angular resolution measure (ARM) distributions, were 7.3 degrees and 6.5 degrees for the source energies of 662 and 1332 keV, respectively. The DOCI remains under development; its imaging resolution will be further improved with the incorporation of more sophisticated detectors and the related electronics, including a faster scintillation detector (LYSO) and higher-spatial-resolution position-sensitive detectors.
- Files in This Item
-
Go to Link
- Appears in
Collections - 서울 공과대학 > 서울 원자력공학과 > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174885)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.