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Monte Carlo Simulation of a ^{198} Au Thin Foil: The Response of a 4\pi \beta \hbox {-} \gamma Detector

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5 Author(s)
L. J. Bignell ; Australian Nucl. Sci. & Technol. Organ., Sydney, NSW ; L. Mo ; M. L. Smith ; D. Alexiev
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Monte Carlo simulations have been performed of the decay of a 198Au solid source within a 4pibeta- gamma coincidence detector. Calculations of the proportional counter efficiency to both beta and gamma emissions are simulated. A comparison of results obtained using the MCNP-5 and Geant4 simulation packages indicates that Geant4 better evaluates the K correction to the coincidence equation than MCNP-5 predictions. This difference can be accounted for in terms of how the codes handle the physical interactions occurring in the foil and surrounds.

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IEEE Transactions on Nuclear Science  (Volume:55 ,  Issue: 6 )