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AbstractAbstract
[en] The problems in Monte Carlo criticality calculations caused by the slow convergence of the fission source are examined on an example. A spent fuel storage cask designed for WWER-440 fuel used a sample case. The influence of the main parameters of the calculations is investigated including the initial fission source. A possible strategy is proposed to overcome the difficulties associated by the slow source convergence. The advantage of the proposed strategy that it can be implemented using the standard MCNP features. (author)
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Japan Atomic Energy Research Inst., Kashiwa, Chiba (Japan); 486 p; Oct 2003; p. 656-660; ICNC2003: 7. international conference on nuclear criticality safety. Challenges in the pursuit of global nuclear criticality safety; Tokai, Ibaraki (Japan); 20-24 Oct 2003; Also available from JAEA; 4 refs., 3 figs., 6 tabs.; This record replaces 35060909
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