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※ 半角英数字
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CIELO collaboration summary results; International evaluations of neutron reactions on uranium, plutonium, iron, oxygen and hydrogen

CIELO共同研究成果; ウラン,プルトニウム,鉄,酸素,水素に対する中性子反応の国際評価

Chadwick, M. B.*; Capote, R.*; Trkov, A.*; Herman, M. W.*; Brown, D. A.*; Hale, G. M.*; Kahler, A. C.*; Talou, P.*; Plompen, A. J.*; Schillebeeckx, P.*; Pigni, M. T.*; Leal, L.*; Danon, Y.*; Carlson, A. D.*; Romain, P.*; Morillon, B.*; Bauge, E.*; Hambsch, F.-J.*; Kopecky, S.*; Giorginis, G.*; 河野 俊彦*; Lestone, J.*; Neudecker, D.*; Rising, M.*; Paris, M.*; Nobre, G. P. A.*; Arcilla, R.*; Cabellos, O.*; Hill, I.*; Dupont, E.*; Koning, A. J.*; Cano-Ott, D.*; Mendoza, E.*; Balibrea, J.*; Paradela, C.*; Dur$'a$n, I.*; Qian, J.*; Ge, Z.*; Liu, T.*; Hanlin, L.*; Ruan, X.*; Haicheng, W.*; Sin, M.*; Noguere, G.*; Bernard, D.*; Jacqmin, R.*; Bouland, O.*; De Saint Jean, C.*; Pronyaev, V. G.*; Ignatyuk, A. V.*; 横山 賢治; 石川 眞; 深堀 智生; 岩本 信之; 岩本 修; 国枝 賢; Lubitz, C. R.*; Salvatores, M.*; Palmiotti, G.*; Kodeli, I.*; Kiedrowski, B.*; Roubtsov, D.*; Thompson, I.*; Quaglioni, S.*; Kim, H. I.*; Lee, Y. O.*; Fischer, U.*; Simakov, S.*; Dunn, M.*; Guber, K.*; M$'a$rquez Dami$'a$n, J. I.*; Cantargi, F.*; Sirakov, I.*; 大塚 直彦*; Daskalakis, A.*; McDermott, B. J.*; Van der Marck, S. C.*

Chadwick, M. B.*; Capote, R.*; Trkov, A.*; Herman, M. W.*; Brown, D. A.*; Hale, G. M.*; Kahler, A. C.*; Talou, P.*; Plompen, A. J.*; Schillebeeckx, P.*; Pigni, M. T.*; Leal, L.*; Danon, Y.*; Carlson, A. D.*; Romain, P.*; Morillon, B.*; Bauge, E.*; Hambsch, F.-J.*; Kopecky, S.*; Giorginis, G.*; Kawano, Toshihiko*; Lestone, J.*; Neudecker, D.*; Rising, M.*; Paris, M.*; Nobre, G. P. A.*; Arcilla, R.*; Cabellos, O.*; Hill, I.*; Dupont, E.*; Koning, A. J.*; Cano-Ott, D.*; Mendoza, E.*; Balibrea, J.*; Paradela, C.*; Dur$'a$n, I.*; Qian, J.*; Ge, Z.*; Liu, T.*; Hanlin, L.*; Ruan, X.*; Haicheng, W.*; Sin, M.*; Noguere, G.*; Bernard, D.*; Jacqmin, R.*; Bouland, O.*; De Saint Jean, C.*; Pronyaev, V. G.*; Ignatyuk, A. V.*; Yokoyama, Kenji; Ishikawa, Makoto; Fukahori, Tokio; Iwamoto, Nobuyuki; Iwamoto, Osamu; Kunieda, Satoshi; Lubitz, C. R.*; Salvatores, M.*; Palmiotti, G.*; Kodeli, I.*; Kiedrowski, B.*; Roubtsov, D.*; Thompson, I.*; Quaglioni, S.*; Kim, H. I.*; Lee, Y. O.*; Fischer, U.*; Simakov, S.*; Dunn, M.*; Guber, K.*; M$'a$rquez Dami$'a$n, J. I.*; Cantargi, F.*; Sirakov, I.*; Otsuka, Naohiko*; Daskalakis, A.*; McDermott, B. J.*; Van der Marck, S. C.*

CIELO国際協力では、原子力施設の臨界性に大きな影響を与える重要核種($$^{235}$$U, $$^{238}$$U, $$^{239}$$Pu, $$^{56}$$Fe, $$^{16}$$O, $$^{1}$$H)の中性子断面積データの精度を改善し、これまで矛盾していると考えられた点を解消することを目的として研究が行われた。多くの研究機関が参加したこのパイロットプロジェクトは、IAEAの支援も受けて、OECD/NEAの評価国際協力ワーキングパーティ(WPEC)のSubgroup 40として組織された。本CIELOプロジェクトは、新たな実験研究や理論研究を行う動機付けとなり、測定データを正確に反映し臨界性の積分テストに優れた新たな一連の評価済みライブラリとして結実した。本報告書は、これまでの研究成果と、本国際協力の次の段階の計画概要をまとめたものである。

The CIELO collaboration has studied neutron cross sections on nuclides that significantly impact criticality in nuclear facilities - $$^{235}$$U, $$^{238}$$U, $$^{239}$$Pu, $$^{56}$$Fe, $$^{16}$$O and $$^{1}$$H - with the aim of improving the accuracy of the data and resolving previous discrepancies in our understanding. This multi-laboratory pilot project, coordinated via the OECD/NEA Working Party on Evaluation Cooperation (WPEC) Subgroup 40 with support also from the IAEA, has motivated experimental and theoretical work and led to suites of new evaluated libraries that accurately reflect measured data and also perform well in integral simulations of criticality. This report summarizes our results and outlines plans for the next phase of this collaboration.

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