Deposition of Energy by Neutrons in Spherical Cavities

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Abstract
A theoretical description of the interaction of neutrons with a spherical cavity has been developed in terms of 4 types of recoil particle interaction with the cavity, called, for convenience, "insiders," "starters," "stoppers," and "crossers." Energy loss distributions are calculated for polyethylene-ethylene and tissue cavities and are found to agree with experimental measurements within the probable uncertainty of those measurements. Conditions for optimum use of proportional counter cavity dosimeters and the interpretation of measurements made with these instruments are discussed.

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