STP1550

    The Neutron Standard Fields at the BR1 Reactor at SCK•CEN

    Published: Aug 2012


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    Abstract

    The BR1 research reactor at SCK•CEN is characterized by a wide variety of irradiation possibilities, a large reactor core, and strong flexibility in its operation. A full MCNP model of BR1 has been recently developed in order to complement the results that can be obtained from activation dosimetry. After a general presentation of the reactor, this paper pays particular attention to its standard 235U(n,f) fast neutron field MARK III. This irradiation field is a useful tool for integral measurements and for detector calibrations. With the support of MCNP calculations, irradiations in MARK III can be directly referred to the pure 235U(n,f) fast neutron spectrum.

    Keywords:

    BR1, standard neutron field, prompt fission neutron spectrum


    Author Information:

    Wagemans, J.
    SCK•CEN,

    Malambu, E.
    SCK•CEN,

    Borms, L.
    SCK•CEN,


    Paper ID: STP155020120039

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP155020120039


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