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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 1,271 - 1,276 (6page)
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The geometrical efficiency of a source-to-detector configuration is considered to be necessary in the calculation of the full energy peak efficiency, especially for NaI(Tl) and HPGe gamma-ray spectroscopy detectors. The geometrical efficiency depends on the solid angle subtended by the radioactive sources and the detector surfaces. The present work is basically concerned to establish a new mathematical approach for calculating the solid angle and geometrical efficiency, based on conversion of the geometrical solid angle of a non-axial radioactive point source with respect to a circular surface of the detector to a new equivalent geometry. The equivalent geometry consists of an axial radioactive point source with respect to an arbitrary elliptical surface that lies between the radioactive point source and the circular surface of the detector. This expression was extended to include coaxial radioactive circular disk source. The results were compared with a number of published data to explain how significant this work is in the efficiency calibration procedure for the g-ray detection systems, especially in case of using isotropic radiating g-ray sources in the form of point and disk shapes
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참고문헌 (36)
참고문헌 신청
M. Belluscio / 1974 / Effects of finite dimensions in source-detector solid-angle evaluation / Nucl. Instrum. Methods 114:145~147
R. Carchon / 1975 / A general solid angle calculation by a Monte Carlo method / Nucl. Instrum. Methods 128:195~199
L. Wielopolski / 1977 / The Monte Carlo calculation of the average solid angle subtended by a right circular cylinder from distributed sources / Nucl. Instrum. Methods 143:577~581
L. Wielopolski / 1984 / Monte Carlo calculation of the average solid angle subtended by a parallelepiped detector from a distributed source / Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip 226:436~448
B. T. Stavroulaki / 1979 / Monte-Carlo solutions of the solid angle integrals for radiation detectors / Comput. Phys. Commun 18:7~12
R. Carchon / 1975 / A general solid angle calculation by a Monte Carlo method / Nucl. Instrum. Methods 128:195~199
L. Wielopolski / 1977 / The Monte Carlo calculation of the average solid angle subtended by a right circular cylinder from distributed sources / Nucl. Instrum. Methods 143:577~581
L. Wielopolski / 1984 / Monte Carlo calculation of the average solid angle subtended by a parallelepiped detector from a distributed source / Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip 226:436~448
B. T. Stavroulaki / 1979 / Monte-Carlo solutions of the solid angle integrals for radiation detectors / Comput. Phys. Commun 18:7~12
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