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A series of controlled experiments has been undertaken to study the dependence of neutron counting efficiency on the type of liquid phosphor and on the geometry and light collection efficiency of the liquid container. Five hydrogenous scintillating liquids have been compared in various container geometries. From differential lead absorption measurements using a calibrated polonium-beryllium neutron source, neutron counting efficiencies from 5.4±2 percent to 17.9±6 percent have been obtained.
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Keepin et al. (1952) studied this question.
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