The Variation of Dose Attenuation of Two-legged Concrete Ducts with Incident Gamma-ray Energy PDF Download

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The Variation of Dose Attenuation of Two-legged Concrete Ducts with Incident Gamma-ray Energy

The Variation of Dose Attenuation of Two-legged Concrete Ducts with Incident Gamma-ray Energy PDF Author: J. M. Chapman
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Languages : en
Pages : 9

Book Description
Gamma-ray dose attenuation factors were measured in a 3-foot square and an 11-inch square duct using Au-198 (.412 Mev), Cs-137 (.662 Mev), and Co-60 (1.25 Mev) gamma-ray sources. Attenuation factors for given geometries were compared as a function of the incident gamma-ray energy. It was found that the attenuation factor decreases monotonically with increasing energy. Measured attenuation factors were compared with values obtained using a computer code based on the albedo concept. It was found that calculated attenuation factors are high by as much as g8 percent for Au-198 in the 11-inch duct. (Author).
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