Preliminary Benchmarking and MCNP Simulation Results for Homeland Security

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The purpose of this article is to create Monte Carlo N-Particle (MCNP) input stacks for benchmarked measurements sufficient for future perturbation studies and analysis. The approach was to utilize historical experimental measurements to recreate the empirical spectral results in MCNP, both qualitatively and quantitatively. Results demonstrate that perturbation analysis of benchmarked MCNP spectra can be used to obtain a better understanding of field measurement results which may be of national interest. If one or more spectral radiation measurements are made in the field and deemed of national interest, the potential source distribution, naturally occurring radioactive material shielding, and interstitial materials ... continued below

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Hayes, Robert March 1, 2008.

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Description

The purpose of this article is to create Monte Carlo N-Particle (MCNP) input stacks for benchmarked measurements sufficient for future perturbation studies and analysis. The approach was to utilize historical experimental measurements to recreate the empirical spectral results in MCNP, both qualitatively and quantitatively. Results demonstrate that perturbation analysis of benchmarked MCNP spectra can be used to obtain a better understanding of field measurement results which may be of national interest. If one or more spectral radiation measurements are made in the field and deemed of national interest, the potential source distribution, naturally occurring radioactive material shielding, and interstitial materials can only be estimated in many circumstances. The effects from these factors on the resultant spectral radiation measurements can be very confusing. If benchmarks exist which are sufficiently similar to the suspected configuration, these benchmarks can then be compared to the suspect measurements. Having these benchmarks with validated MCNP input stacks can substantially improve the predictive capability of experts supporting these efforts.

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  • 11th International Conference on Radiation Shielding, American Nuclear Society, and 15th Topical Meeting of the Radiation Protection & Shielding Division of ANS; April 13-18, 2008; Callaway Gardens, Pine Mountain, Georgia, USA

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  • Report No.: DOE/NV/25946--288
  • Grant Number: DE-AC52-06NA25946
  • Office of Scientific & Technical Information Report Number: 926253
  • Archival Resource Key: ark:/67531/metadc894947

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  • March 1, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, 8:29 p.m.

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Hayes, Robert. Preliminary Benchmarking and MCNP Simulation Results for Homeland Security, article, March 1, 2008; United States. (digital.library.unt.edu/ark:/67531/metadc894947/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.