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Measurements of neutron induced activation of concrete at 64.5 MeV

机译:64.5 MeV下中子诱发混凝土活化的测量

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摘要

The present paper presents the measurement of neutron induced activations on concrete using the 64.5 MeV quasimonoenergetic neutrons produced at the intense ~7Li(p, n) neutron source at Cyclotron and Radioisotope Center, Tohoku Univeristy (CYRIC). The data were corrected for the effect of continuous neutrons in the source. The neutron energy, neutron yields and the spectrum of continuous neutrons were confirmed with the neutron time-of-flight method and the neutron activation measurement of the ~(209)Bi(n, Xn) reactions having various threshold energy values. The nuclides produced by thermalized source neutrons are negligible. New data were obtained for concrete activation.
机译:本文介绍了在东北大学回旋加速器和放射性同位素中心的强〜7Li(p,n)中子源产生的64.5 MeV准单能中子对混凝土中子诱发活化的测量。针对源中连续中子的影响对数据进行了校正。用中子飞行时间方法和具有各种阈值能量值的〜(209)Bi(n,Xn)反应的中子活化测量,确定了中子能量,中子产率和连续中子的光谱。由热源中子产生的核素可以忽略不计。获得了用于具体激活的新数据。

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  • 来源
    《Annals of nuclear energy》 |2009年第8期|1133-1137|共5页
  • 作者单位

    Cyclotron and Radioisotope Center, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan Institute of Nuclear Science and Technology, Atomic Energy Research Establishment, Savar, GPO Box No. 3787, Dhaka 1000, Bangladesh;

    Cyclotron and Radioisotope Center, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan;

    Cyclotron and Radioisotope Center, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan;

    Cyclotron and Radioisotope Center, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan;

    Cyclotron and Radioisotope Center, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan;

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