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  • Title: Development of a tiny neutron probe with an optical fibre for BNCT.
    Author: Ito Y, Katano G, Harano H, Matsumoto T, Uritani A, Kudo K, Kobayashi K, Yoshimoto T, Sakurai Y, Kobayashi T, Mori C.
    Journal: Radiat Prot Dosimetry; 2004; 110(1-4):619-22. PubMed ID: 15353718.
    Abstract:
    We have developed a tiny neutron probe detector as a monitor of a thermal neutron flux for boron neutron capture therapy. The detector consists of an optical fibre and a small neutron probe. We have used a film-like ZnS(Ag) scintillator and a 6LiF neutron converter for the neutron probe. In order to improve the gamma-neutron discrimination ability, vacuum evaporation of 6LiF onto the ZnS(Ag) film has been done. In order to improve the neutron detection efficiency, we made use of a wavelength-shifting fibre as the probe material. The characteristics of the above two types of fibre probe detector have been evaluated experimentally.
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