지원사업
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
- 2010.1
- 수록면
- 245 - 249 (5page)
이용수
초록· 키워드
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Standard radioactive sources that are used in determining the efficiency of detectors used single nuclide standard radioactive sources that are composed of single gamma nuclides containing total energy area (60-1863keV), including environmental soil samples for environmental monitoring with a purpose of controlling radioactive.
By measuring standard radioactive sources of diverse geometric shape of measuring containers (cylindricalMarinelli type: 40, 450 and 1000 ml) calculated full-energy peak efficiency of HPGe detectors, and compared this with full-energy peak efficiency of environmental sample soil. Spectrum was ready to measure gamma energy up to 3 MeV in 8192 (16384) channels with measuring time 20000 seconds. The detectors used in the experiments was from coaxial HPGe detectors of EG&G ORTEC. For 1332.5keV of gamma rays in 60Co, the energy resolving power is 1.8keV, relative efficiency 30%, and peak/Compton ratio 51/1. Furthermore,when apply to environmental samples, for high energy area (>1000 keV), it waswithin allowable error range of 4%, and the efficiency curves showed having uncertainties less than 4% within energy 60-1863keV. In addition to this, it was proven that it is effective in standard radioactive sources that are used in environmental monitoring around nuclear facilities. Thus it is considered that this might be highly effective in analyzing wide range of gamma spectrum including routine environmental sample measurement or in monitoring in case of emergency situation etc.
목차
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참고문헌 (12)
참고문헌 신청
ANS/IEEE std / 1986 / IEEE Standard Test Procedures for Germanium Gamma-Ray Detectors
C.E Moss / 1990 / Comparison of calculated and measured response fuctions for germanium detectros / Nucl. Instr. Meth, A 299 : 98 ~ 101
EG&G ORTEC / 1998 / Modular Pulse-Processing Electronicx and Semiconductor Radiation Detector
K. Debertin / 1989 / Measurement of the activity of radioactive samples in Marinelli beakes / Nucl. Instr. Meth, A 278 : 541 ~ 549
K.M. Wainio / 1996 / Calculated gamma ray response characteristics of semiconductor detectors / Nucl. Instr. Meth 44 : 213 ~ 223
C.E Moss / 1990 / Comparison of calculated and measured response fuctions for germanium detectros / Nucl. Instr. Meth, A 299 : 98 ~ 101
EG&G ORTEC / 1998 / Modular Pulse-Processing Electronicx and Semiconductor Radiation Detector
K. Debertin / 1989 / Measurement of the activity of radioactive samples in Marinelli beakes / Nucl. Instr. Meth, A 278 : 541 ~ 549
K.M. Wainio / 1996 / Calculated gamma ray response characteristics of semiconductor detectors / Nucl. Instr. Meth 44 : 213 ~ 223
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