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Dose Rates in a Slab Phantom from Monoenergetic Gamma Rays

H. C. Claiborne, D. K. Trubey

Nuclear Technology

Volume 8 / Number 5 / May 1970 / Pages 450-455


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Gamma-ray flux-to-dose-rate conversion factors obtained with a philosophy consistent with that used for neutrons have not been generally available. To eliminate this inconsistency and develop more realistic gamma-ray conversion factors, gamma-ray dose-rate distributions were determined in a slab phantom. Calculations were made with the discrete ordinates code ANISN and by the Monte Carlo code OGRE. Agreement between calculations and the available experimental results was excellent. Based on these results, a recommended curve was prepared for use when low-level exposure is the consideration.

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