Measurement of Prompt Neutron Decay Constant in Delayed Critical State of Heavily Reflected Reactor

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概要

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• The measurements of αc, the prompt neutron decay constant at delayed critical have been made by pulsed neutron technique in various core configurations of SHE, a graphite-moderated 20% enriched uranium critical assembly. It was confirmed from the results that the value of αc is very strongly dependent on geometrical configurations of the reflector rather than on the atomic ratio of carbon to <SUP>285</SUP>U in the core region. These results are in fairly good agreement with the calculated values obtained directly as the eigenvalue of the characteristic equation on a 34 group P-1 model.

• 一般社団法人 日本原子力学会の論文

著者

• SUMITA Kenji

  Japan Atomic Energy Research Insititute

• KANEKO Yoshihiko

  Japan Atomic Energy Research Institute

• KUROKAWA Ryosuke

  Japan Atomic Energy Research Institute

• AKINO Fujiyoshi

  Japan Atomic Energy Research Institute

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