Abstract
Neutron light output response functions and detector resolution functions were measured at Ohio University's tandem Van de Graaff generator for three cylindrical EJ-309 liquid scintillator cells, having dimensions 12.7(∅)-by-12.7, 7.6-by-7.6, and 7.6-by-5.1cm. A 7.44MeV deuteron beam was used on an 27Al target generating a continuous spectrum over the energy range from a few hundred keV to over 10MeV. The light output response functions are determined using an exponential fit. Detector resolution functions are obtained for the 12.7-by-12.7 and 7.6-by-7.6cm detectors. It is demonstrated that the dependence on detector size is important for the light output response functions, but not to the same extent for the resolution function, even when photomultiplier tubes, detector material, and other detector characteristics are carefully matched.
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