Abstract—
When the half-ring of a prototype neutron detector with an inner radius of 50 mm is calibrated using a 60Co ionizing-radiation source, its relative detection efficiency gradually decreases from ~15% at the center of the half-ring to ~5% at its ends. When calibrated using cosmic muons, the relative detection efficiency is approximately 100% over the entire detector volume. The presence of zones with reduced and increased efficiency values are associated with the intricate detector geometry.
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ACKNOWLEDGMENTS
We thank A.V. Verdi, L.A. Gorbov, and V.V. Kim for their help in our work.
This work was supported in part by the Fundamental Research Program of the Presidium of the Russian Academy of Sciences.
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Translated by N. Goryacheva
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Baskov, V.A., Govorkov, B.B. & Poliansky, V.V. A Prototype of a Ring Neutron Detector. Instrum Exp Tech 62, 305–308 (2019). https://doi.org/10.1134/S0020441219030035
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DOI: https://doi.org/10.1134/S0020441219030035