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    STP1398

    High Energy Neutron Activation Cross Sections

    Published: 0


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    Abstract

    The cross section data of 12C(n,2n)11C and 209Bi(n,xn)(x=3,12) reactions and the cross section data which produce 56Mn, 54Mn, 52Mn, 58Co, 57Co, 56Co, 55Co, 59Fe from 59Co reactions and 56Mn, 59Fe, 60Co, 58Co, 57Co, 56Co, 64Cu, 61Cu, 60Cu from natCu reactions have been measured in the quasi-monoenergetic p-7Li neutron fields in the 20- and 150-MeV energy range. The irradiation experiments were performed at four cyclotron facilities:(a) the Institute for Nuclear Study (INS), University of Tokyo;(b)the Cyclotron and Radioisotope Center, Tohoku University; (c) the Takasaki Research Establishment (TIARA), Japan Atomic Energy Research Institute; and (d) the Institute of Physical and Chemical Research (RIKEN). The neutron spectrum has been measured with the time-of-flight method using an organic liquid scintillator, and the absolute value of peak neutron fluence has been estimated from the activation method of lithium target at INS, RIKEN, and the proton recoil counter telescope at TIARA.

    Keywords:

    activation cross section, 20 to 150 MeV neutrons, C (n,2n), Bi (n,xn), Co (n,xn)


    Author Information:

    Nakamura, T
    Cyclotron and Radioisotope Center, Tohoku University, Sendai,

    Kim, E
    Cyclotron and Radioisotope Center, Tohoku University, Sendai,

    Uwamino, Y
    Institute of Physical and Chemical Research, Saitama,

    Nakao, N
    Radiation Science Center, Accelerator Research Organization, Tsukuba,

    Tanaka, S
    Takasaki Research Establishment, Japan Atomic Energy Research Institute, Gunma,


    Committee/Subcommittee: E10.08

    DOI: 10.1520/STP13621S