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dc.contributor.author | Pyeon, Cheol Ho | en |
dc.contributor.author | Takemoto, Yuki | en |
dc.contributor.author | Yagi, Takahiro | en |
dc.contributor.author | Lim, Jae-Yong | en |
dc.contributor.author | Takahashi, Yoshiyuki | en |
dc.contributor.author | Misawa, Tsuyoshi | en |
dc.contributor.alternative | 卞, 哲浩 | ja |
dc.date.accessioned | 2012-01-23T05:36:59Z | - |
dc.date.available | 2012-01-23T05:36:59Z | - |
dc.date.issued | 2012-02 | - |
dc.identifier.issn | 0306-4549 | - |
dc.identifier.uri | http://hdl.handle.net/2433/152380 | - |
dc.description.abstract | Reaction rate experiments on the accelerator-driven system (ADS) are conducted by combining a critical assembly of a solid-moderated and -reflected core with a pulsed neutron generator. Neutrons (14 MeV) generated from the accelerator are injected into a subcritical system and the reaction rates are measured by the foil activation method to obtain neutronic spectrum data. The numerical calculations are executed by MCNPX with ENDF/B-VI.8, JENDL-3.3 and JENDL/D-99 libraries to evaluate the reaction rates of activation foils set in the center of the core. For the ADS experiments with 14 MeV neutrons, the C/E values between the experiments and the calculations are found to be well within the relative difference of about 30% in all foils up to subcriticality 1.05%Δk/k. The reaction rates do not depend on the subcriticality level in cases of [115]In, [56]Fe (purity 99.99%), [27]Al, whereas subcriticality dependence is observed in [93]Nb. In the critical experiments carried out in the A, B and C cores, special mention should be made of the remarkable effect of the composition rate of [56]Fe material. Thus a remarkable improvement is observed in the accuracy of experimental and numerical reaction rates, demonstrating the importance of material impurity for subcritical experiments. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier Ltd. | en |
dc.rights | © 2011 Elsevier Ltd. | en |
dc.rights | この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 | ja |
dc.rights | This is not the published version. Please cite only the published version. | en |
dc.subject | ADS | en |
dc.subject | KUCA | en |
dc.subject | 14 MeV neutrons | en |
dc.title | Accuracy of reaction rates in the accelerator-driven system with 14MeV neutrons at the Kyoto University Critical Assembly | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.ncid | AA11523607 | - |
dc.identifier.jtitle | Annals of Nuclear Energy | en |
dc.identifier.volume | 40 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 229 | - |
dc.identifier.epage | 236 | - |
dc.relation.doi | 10.1016/j.anucene.2011.10.011 | - |
dc.textversion | author | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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