Highly absorbing gadolinium test device to characterize the performance of neutron imaging detector systems

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  • C. Grünzweig
    Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
  • G. Frei
    Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
  • E. Lehmann
    Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
  • G. Kühne
    Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
  • C. David
    Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland

Abstract

<jats:p>We report on the fabrication and application of a novel neutron imaging test device made of gadolinium. It is designed for a real time evaluation of the spatial resolution, resolution direction, and distortions of a neutron imaging detector system. Measurements of the spatial resolution of Li6F doped ZnS scintillator screens with different thicknesses and of imaging plates were performed. The obtained results are in good agreement with comparison measurements using the standard knife edge detection method.</jats:p>

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