Abstract
HUBBARD, LINCOLN B., Gamma-Ray Dose Distributions in Externally Irradiated Cylinders. Radiat. Res. 44, 4-12 (1970). An approximate model is presented for the irradiation of uniform cylinders by external, broad-beam gamma rays. In this model the point doses for unilateral and bilateral irradiations are simple expressions of elementary functions. The range from maximum to minimum dose values is shown to be about half as great for bilateral irradiation as compared with unilateral irradiation. Thus, if the unilateral irradiation is considered nonuniform, then the bilateral irradiation is at best moderately uniform. The dose distributions for unilateral and bilateral irradiations have very different properties. These distributions are discussed, and their effects on experimental design are noted. The surface average, volume average, and midline dose are intercompared for these irradiations.
Published Version
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