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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 526 - 532 (7page)
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초록· 키워드
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In this study, an in-house 152Eu calibration source was produced from a custom epoxy matrix with adensity of r ¼ 1.14 g cm 3, which is chemically stable and durable form after its solidification. The homogeneityof 152Eu in matrix was obtained better than 98%. For a Marinelli beaker geometry, an efficiencycalibration procedure was applied to a n-type, coaxial, 78.5% relative efficient HPGe detector in theenergy range of 121.7e1408.0 keV by using in-house 152Eu calibration source. Then the measured efficienciesfor Marinelli geometry were compared with the results calculated by MEFFTRAN and ANGLEsoftwares for the validation. Although MEFFTRAN and ANGLE have two different efficiency transfer algorithmsto calculate the efficiencies, they usually need to use a reliable and accurate reference efficiencyvalues as input data. Hence, reference efficiency values were obtained experimentally from a multinuclide standard sourcefor the same detector- Marinelli geometry. In the present source characterization, the correctionsrequired for self-absorption and true coincidence summing effects for 152Eu gamma-rays were alsoobtained for a such close counting geometry condition. The experimental results confirmed the validityof efficiency calculations obtained by MEFFTRAN and ANGLE softwares that are calculation tools.
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참고문헌 (10)
참고문헌 신청
R. Misiak / 2011 / Selfabsorption correction and efficiency calibration for radioactivity measurement of environmental samples by gamma-ray spectrometer / Nukleonika 56(1):23~28
S. Kaminski / 2014 / Uncertainty of gamma-ray spectrometry measurement of environmental samples due to uncertainties in matrix composition, density and sample geometry / Applied Radiation and Isotopes 94:306~313
Yasser Morera-Gómez / 2016 / Validation of an efficiency calibration procedure for a coaxial n-type and a well-type HPGe detector used for the measurement of environmental radioactivity / Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 818:51~56
S. Jovanović / 1997 / ANGLE: A PC-code for semiconductor detector efficiency calculations / Journal of Radioanalytical and Nuclear Chemistry 218(1):13~20
Tim Vidmar / 2005 / EFFTRAN—A Monte Carlo efficiency transfer code for gamma-ray spectrometry / Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 550(3):603~608
S. Kaminski / 2014 / Uncertainty of gamma-ray spectrometry measurement of environmental samples due to uncertainties in matrix composition, density and sample geometry / Applied Radiation and Isotopes 94:306~313
Yasser Morera-Gómez / 2016 / Validation of an efficiency calibration procedure for a coaxial n-type and a well-type HPGe detector used for the measurement of environmental radioactivity / Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 818:51~56
S. Jovanović / 1997 / ANGLE: A PC-code for semiconductor detector efficiency calculations / Journal of Radioanalytical and Nuclear Chemistry 218(1):13~20
Tim Vidmar / 2005 / EFFTRAN—A Monte Carlo efficiency transfer code for gamma-ray spectrometry / Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 550(3):603~608
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