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Gamma Ray Streaming Through Two-Legged Rectangular Ducts

J. C. LEDOUX, A. B. CHILTON

Nuclear Science and Engineering / Volume 11 / Number 4 / Pages 362-368

December 1961

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An analytical approach is developed to permit determination of gamma radiation attenuation as it passes through two-legged rectangular ducts and shelter entranceways. The approach used employs the albedo concept for wall scattering and includes correction terms necessary to account for the “corner lip effects.” With appropriate simplifying assumptions, moderately simple engineering formulas are obtained. Actual use of the formulas requires better knowledge of differential angular albedo than is presently available; however, by assuming isotropic distribution of the albedo function, a very good comparison of experimental information with results calculated by this technique is obtained.

 
 
 
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