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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
energy
Sensitivity and uncertainty analysis of effective multiplication factor of KRITZ-1 benchmark using ENDF/B-VIII.0 and JEFF3-3 nuclear data libraries
Progress in Nuclear Energy, Volume 165, Article 104913, Year 2023
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Description
Sensitivity and uncertainty analysis have been performed to estimate the uncertainty in the effective neutron multiplication factor, keff, of the KRITZ-1 benchmark and to identify which nuclear reactions and isotopes of interest could be significantly influencing it. First, the adjoint-weighted perturbation method using the KSEN card of the MCNP6 code is applied to compute the sensitivity vectors for 235U, 238U, 1H, 16O, and 10B isotopes with the JEFF-3.3 and ENDF/B-VIII.0 nuclear data libraries. Then, the sensitivity vectors and covariance matrices were combined to calculate the uncertainty in keff due to uncertainties in nuclear data. The 44 group covariance matrices have been processed with the NJOY21 system. It was found that the uncertainty in keff is mostly due to uncertainties on ν‾p, fission cross section of 235U, the capture cross section of the two isotopes 238U and 1H in the aforementioned data libraries © 2023
Authors & Co-Authors
Hadouachi, Maryam
Morocco, Tetouan
Université Abdelmalek Essaadi
Boukhal, Hamid
Morocco, Tetouan
Université Abdelmalek Essaadi
Chakir, El Mahjoub
Morocco, Kenitra
Université Ibn Tofail
Ahmed, Abdulaziz
Unknown Affiliation
Belhaj, Omaima Essaad
Morocco, Tetouan
Université Abdelmalek Essaadi
Laazouzi, Khaoula
Morocco, Tetouan
Université Abdelmalek Essaadi
El Yaakoubi, H.
Morocco, Tetouan
Université Abdelmalek Essaadi
El Ghalbzouri, Tarik
Morocco, Tetouan
Université Abdelmalek Essaadi
Berriban, Iman
Morocco, Tetouan
Université Abdelmalek Essaadi
El Ouahdani, Sanae
Morocco, Beni Mellal
Université Sultan Moulay Slimane
Statistics
Authors: 10
Affiliations: 3
Identifiers
Doi:
10.1016/j.pnucene.2023.104913
ISSN:
01491970
Research Areas
Cancer