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Oike, Hiroya; Kondo, Ryoichi; Endo, Tomohiro; Yamamoto, Akio, E-mail: h-oike@fermi.energy.nagoya-u.ac.jp
Proceedings of reactor physics Asia conference 2019 (RPHA19)2020
Proceedings of reactor physics Asia conference 2019 (RPHA19)2020
AbstractAbstract
[en] Uncertainty quantification of neutronic characteristics using the random sampling (RS) technique and a continuous energy Monte-Carlo code (MCNP) for thermal neutron systems is conducted. The RS code of the ACE-format cross section is used, which is developed in Nagoya University using the modules of FRENDY. In this study, all reactions in multi-group covariance data of SCALE 6.2.3 are considered. Through perturbation of nuclear data and statistical processing of keff obtained by MCNP 6.2, the uncertainty quantification of keff is conducted. Comparison of the present result and the deterministic result obtained by the first-order perturbation theory (TSUNAMI-1D) showed that the nucertainty quantification results in thermal neutron systems using random sampling and MCNP are adequate. (author)
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Pyeon, Cheol Ho; Yamanaka, Masao (Kyoto University, Institute for Integrated Radiation and Nuclear Science, Kumatori, Osaka (Japan)) (eds.); Ohoka, Yasunori (ed.) (Nuclear Fuel Industries, Ltd., Yokohama, Kanagawa (Japan)); Tsujita, Kosuke (ed.) (Nuclear Engineering, Ltd., Osaka (Japan)); Kyoto University, Institute for Integrated Radiation and Nuclear Science, Kumatori, Osaka (Japan); [321 p.]; Nov 2020; p. 14-17; RPHA19: Reactor physics Asia conference 2019; Osaka (Japan); 2-3 Dec 2019; Also available from https://www.rri.kyoto-u.ac.jp/PUB/report/09_kurns/temp/kurns-ekr-005.pdf; 11 refs., 1 fig., 4 tabs.
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ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BARYONS, CALCULATION METHODS, DIMENSIONLESS NUMBERS, ELEMENTARY PARTICLES, EVEN-ODD NUCLEI, FERMIONS, HADRONS, HEAVY NUCLEI, INTERNAL CONVERSION RADIOISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MINUTES LIVING RADIOISOTOPES, NEUTRONS, NUCLEI, NUCLEONS, PHYSICS, RADIOISOTOPES, SPONTANEOUS FISSION RADIOISOTOPES, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
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