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Experimental determination of k0, Q0 factors, effective resonance energies and neutron cross-sections for 37 isotopes of interest in NAA

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Abstract
The recommended k0 nuclear data from 2003 has been re-investigated by some authors during the last decade, motivated by some discrepancies that were systematically observed during the analysis of reference materials. Their significant findings have not been included (yet) on a newer compilation, as it is difficult to draw conclusions on the accuracy of k0 and Q0 factors when the statistical population of independent experimental values is quite scarce. In some cases, a strong correlation to the adopted Q0 factor means that a direct comparison between the results of different authors is not possible if the data required for a proper renormalization was not provided. At the SCK-CEN and UGent (Belgium) we would like to continue with the experimental k0 determination exercises performed during the last years and to supply to the k0-community with the nuclear data of 37 additional target isotopes isotopes, for a total of 77 isotopes investigated since 2012. The isotopes were investigated on up to 4 channels of the BR1 reactor at the SCK-CEN, obtaining values with <2.6% uncertainty. Our results are discussed and compared to the literature elsewhere.
Keywords
Effective resonance energy, Neutron cross-section, Neutron activation analysis, k0 Factor, Neutron temperature, Westcott factor, Q0 Facto, NUCLEAR-DATA COMPILATION, ACTIVATION-ANALYSIS, PEAK EFFICIENCY, K(0), ENDF/B-VII.1, DEPENDENCE, DETECTORS, VALUES, Q(0)

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Citation

Please use this url to cite or link to this publication:

Chicago
Farina, Fulvio, Peter Vermaercke, Katrien Smits, Liesel Sneyers, and Karel Strijckmans. 2014. “Experimental Determination of K0, Q0 Factors, Effective Resonance Energies and Neutron Cross-sections for 37 Isotopes of Interest in NAA.” Journal of Radioanalytical and Nuclear Chemistry 302 (1): 655–672.
APA
Farina, Fulvio, Vermaercke, P., Smits, K., Sneyers, L., & Strijckmans, K. (2014). Experimental determination of k0, Q0 factors, effective resonance energies and neutron cross-sections for 37 isotopes of interest in NAA. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 302(1), 655–672.
Vancouver
1.
Farina F, Vermaercke P, Smits K, Sneyers L, Strijckmans K. Experimental determination of k0, Q0 factors, effective resonance energies and neutron cross-sections for 37 isotopes of interest in NAA. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. 2014;302(1):655–72.
MLA
Farina, Fulvio, Peter Vermaercke, Katrien Smits, et al. “Experimental Determination of K0, Q0 Factors, Effective Resonance Energies and Neutron Cross-sections for 37 Isotopes of Interest in NAA.” JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 302.1 (2014): 655–672. Print.
@article{4422154,
  abstract     = {The recommended k0 nuclear data from 2003 has been re-investigated by some authors during the last decade, motivated by some discrepancies that were systematically observed during the analysis of reference materials. Their significant findings have not been included (yet) on a newer compilation, as it is difficult to draw conclusions on the accuracy of k0 and Q0 factors when the statistical population of independent experimental values is quite scarce. In some cases, a strong correlation to the adopted Q0 factor means that a direct comparison between the results of different authors is not possible if the data required for a proper renormalization was not provided. At the SCK-CEN and UGent (Belgium) we would like to continue with the experimental k0 determination exercises performed during the last years and to supply to the k0-community with the nuclear data of 37 additional target isotopes isotopes, for a total of 77 isotopes investigated since 2012. The isotopes were investigated on up to 4 channels of the BR1 reactor at the SCK-CEN, obtaining values with {\textlangle}2.6\% uncertainty. Our results are discussed and compared to the literature elsewhere.},
  author       = {Farina, Fulvio and Vermaercke, Peter and Smits, Katrien and Sneyers, Liesel and Strijckmans, Karel},
  issn         = {0236-5731},
  journal      = {JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY},
  keyword      = {Effective resonance energy,Neutron cross-section,Neutron activation analysis,k0 Factor,Neutron temperature,Westcott factor,Q0 Facto,NUCLEAR-DATA COMPILATION,ACTIVATION-ANALYSIS,PEAK EFFICIENCY,K(0),ENDF/B-VII.1,DEPENDENCE,DETECTORS,VALUES,Q(0)},
  language     = {eng},
  number       = {1},
  pages        = {655--672},
  title        = {Experimental determination of k0, Q0 factors, effective resonance energies and neutron cross-sections for 37 isotopes of interest in NAA},
  url          = {http://dx.doi.org/10.1007/s10967-014-3281-0},
  volume       = {302},
  year         = {2014},
}

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