One-group constant libraries for nuclear equilibrium state Mizutani, Akihiko; Sekimoto, Hiroshi [Tokyo Inst. of Tech. (Japan). Research Lab. for Nuclear Reactors] 21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS; GROUP CONSTANTS; EQUILIBRIUM; PWR TYPE REACTORS; LIBRARIES; MIXED OXIDE FUELS; ITERATIVE METHODS; NEUTRON SPECTRA; ONE-GROUP THEORY; LMFBR TYPE REACTORS; NUCLEAR DATA COLLECTIONS One-group constant libraries for the nuclear equilibrium state were generated for both liquid sodium cooled MOX fuel type fast reactor and PWR type thermal reactor with Equilibrium Cell Iterative Calculation System (ECICS) using JENDL-3.2, -3, -2 and ENDF/B-VI nuclear data libraries. ECICS produced one-group constant sets for 129 heavy metal nuclides and 1238 fission products. (author) Japan Atomic Energy Research Inst., Tokyo (Japan) OSTI as DE97758662 Japan 1997-03-01 English Conference Conference: 1996 symposium on nuclear data, Tokai (Japan), 21-22 Nov 1996; Other Information: PBD: Mar 1997; Related Information: Is Part Of Proceedings of the 1996 symposium on nuclear data; Iguchi, Tetsuo [Nagoya Univ. (Japan)]; Fukahori, Tokio [eds.]; PB: 332 p. Medium: X; Size: pp. 234-239 https://doi.org/ ON: DE97758662 [] JAERI-Conf-97-005; CONF-9611184-; INDC(JPN)-179/U Other: ON: DE97758662; TRN: JP9709112 JPN; SCA: 210500; 210200; PA: JPN-97:009112; EDB-97:143870; SN: 97001867016 2008-02-05 545191 https://www.osti.gov/etdeweb/servlets/purl/545191