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- E-ISSN 2288-8985
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Study on Thermal Neutron Efficiency for Neutron Induced Prompt Gamma-ray Spectrometer Using Various Reflectors
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2003, v.16 no.5, pp.426-429
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(2003). Study on Thermal Neutron Efficiency for Neutron Induced Prompt Gamma-ray Spectrometer Using Various Reflectors. Analytical Science and Technology, 16(5), 426-429.
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Abstract
Neutron induced prompt gamma-ray spectroscopy (NIPS) system equipped with a <TEX>$^{252}Cf$</TEX> neutron source and a n-type coaxial HPGe detector was installed for the quantitative analysis of aqueous samples in KAERI, Korea. Since the thermal neutron flux for the <TEX>$^{252}Cf$</TEX> neutron source is relatively low compared to that for the reactor, the use of a thermal neutron reflector in the NIPS system may lead to improved results. The enhancement by using various reflectors was carried out by comparing the Cl peak with or without a cadmium plate between sample and the <TEX>$^{252}Cf$</TEX> source. The use of pyrolitic graphite as a reflector provided a good result.
- keywords
- thermal neutron, reflector, HPGe detector
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