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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 463 - 466 (4page)
- DOI
- 10.4283/JMAG.2021.26.4.463
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초록· 키워드
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As the incidence of breast cancer increases, concerns about unnecessary exposure to radiation during mammography are increasing. This study quantitatively evaluated the thickness and weight showing 95 % shielding ability of silicon, lead, bismuth, and tungsten with a tube voltage of 30 kVp and a distance between the X-ray tube and shield of 100 cm using Geant4 Application for Tomographic Emission (GATE). The absorbed dose to the breast was derived when the optimal shield derived from GATE was used using Monte Carlo N-Particle code. The optimal thickness was in the order of tungsten, lead, bismuth, and silicon, and the total weight was found in the order of bismuth, lead, tungsten, and silicon. There was no difference in the absorbed dose to the breast depending on the material. When considering the thickness and weight of the shield, lead appears to be the best material. Lead can be an optimal shield with reduced thickness and weight if it is wrapped with a minimum amount of silicon.
목차
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
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UCI(KEPA) : I410-ECN-0101-2022-428-000146118