Determination of thermal to epithermal neutron flux ratio (f), epithermal neutron flux shape factor (α) and comparator factor (Fc) in the Triga Mark II reactor, Malaysia

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Abstract

The thermal to epithermal neutron flux ratio (f or φth/ φe ), epithermal neutron flux shape factor (α) and comparator factor (F c ) are essential parameters when calculating the concentration of sample using k 0-standardization method in the neutron activation analysis (NAA). The work was performed in the Triga Mark II reactor of Malaysian Institute for Nuclear Technology Research (MINT) using Au/Zr monitor couple. Twenty channels in the reactor have been evaluated and the corresponding thermal to epithermal neutron flux ratios (f) ranged from 11.69 to 47.89. The epithermal neutron flux shape factors (α) were found in the range of -1.50.10-1 to 1.59.10-1 and the comparator factors (F c ) were calculated within the range of 9.85.10 3 to 6.70.104. These results allowed us to study the neutron flux distribution more precisely and established the goodness of fit for k 0-NAA.

Original languageEnglish
Pages (from-to)419-424
Number of pages6
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume271
Issue number2
DOIs
Publication statusPublished - Feb 2007

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Neutron flux
Malaysia
Neutrons
Hot Temperature
Neutron Activation Analysis
Neutron activation analysis
Standardization
Technology
Research

ASJC Scopus subject areas

  • Analytical Chemistry
  • Inorganic Chemistry
  • Nuclear Energy and Engineering

Cite this

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title = "Determination of thermal to epithermal neutron flux ratio (f), epithermal neutron flux shape factor (α) and comparator factor (Fc) in the Triga Mark II reactor, Malaysia",
abstract = "The thermal to epithermal neutron flux ratio (f or φth/ φe ), epithermal neutron flux shape factor (α) and comparator factor (F c ) are essential parameters when calculating the concentration of sample using k 0-standardization method in the neutron activation analysis (NAA). The work was performed in the Triga Mark II reactor of Malaysian Institute for Nuclear Technology Research (MINT) using Au/Zr monitor couple. Twenty channels in the reactor have been evaluated and the corresponding thermal to epithermal neutron flux ratios (f) ranged from 11.69 to 47.89. The epithermal neutron flux shape factors (α) were found in the range of -1.50.10-1 to 1.59.10-1 and the comparator factors (F c ) were calculated within the range of 9.85.10 3 to 6.70.104. These results allowed us to study the neutron flux distribution more precisely and established the goodness of fit for k 0-NAA.",
author = "{Kok Siong}, {Khoo Kok Siong} and Sukiman Sarmani and Abugassa, {I. O.}",
year = "2007",
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T1 - Determination of thermal to epithermal neutron flux ratio (f), epithermal neutron flux shape factor (α) and comparator factor (Fc) in the Triga Mark II reactor, Malaysia

AU - Kok Siong, Khoo Kok Siong

AU - Sarmani, Sukiman

AU - Abugassa, I. O.

PY - 2007/2

Y1 - 2007/2

N2 - The thermal to epithermal neutron flux ratio (f or φth/ φe ), epithermal neutron flux shape factor (α) and comparator factor (F c ) are essential parameters when calculating the concentration of sample using k 0-standardization method in the neutron activation analysis (NAA). The work was performed in the Triga Mark II reactor of Malaysian Institute for Nuclear Technology Research (MINT) using Au/Zr monitor couple. Twenty channels in the reactor have been evaluated and the corresponding thermal to epithermal neutron flux ratios (f) ranged from 11.69 to 47.89. The epithermal neutron flux shape factors (α) were found in the range of -1.50.10-1 to 1.59.10-1 and the comparator factors (F c ) were calculated within the range of 9.85.10 3 to 6.70.104. These results allowed us to study the neutron flux distribution more precisely and established the goodness of fit for k 0-NAA.

AB - The thermal to epithermal neutron flux ratio (f or φth/ φe ), epithermal neutron flux shape factor (α) and comparator factor (F c ) are essential parameters when calculating the concentration of sample using k 0-standardization method in the neutron activation analysis (NAA). The work was performed in the Triga Mark II reactor of Malaysian Institute for Nuclear Technology Research (MINT) using Au/Zr monitor couple. Twenty channels in the reactor have been evaluated and the corresponding thermal to epithermal neutron flux ratios (f) ranged from 11.69 to 47.89. The epithermal neutron flux shape factors (α) were found in the range of -1.50.10-1 to 1.59.10-1 and the comparator factors (F c ) were calculated within the range of 9.85.10 3 to 6.70.104. These results allowed us to study the neutron flux distribution more precisely and established the goodness of fit for k 0-NAA.

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