Photon Leakage from Spherical and Hemispherical Samples with a Central 14-MeV Neutron Source

Saukov, A.I.; Sukhanov, B.I.; Ryabinin, A. M.; Lyutov, V. D.; Shmakov, V. M.; Vasiliev, A.

doi:10.13182/nse02-a2296

Cited by 6 publications

(2 citation statements)

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“…Among the shielding benchmark experiments available in SINBAD [7] the two sets of photon leakage spectra benchmarks measured at RFNC-VNIITF (Zababakhin Russian Federal Nuclear Center -All-Russian Scientific Researching Institute of Technical Physics), Snezhinsk [4] were considered to be suitable for the photon validation exercise:…”

Section: Data Libraries and Experimental Datamentioning

confidence: 99%

“…Photon flux calculated using the 04p, 84p and 12p data libraries with MCNP-6 was also evaluated for the experimental Photon Leakage Spectra benchmarks [4][5][6] available in SINBAD [7]. The measurements performed at RFNC-VNIITF, Snezhinsk, using a 14 MeV D-T neutron source placed in the centre of spherical samples of different materials were selected for the comparison exercise.…”

Section: Introductionmentioning

confidence: 99%

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Benchmarking comparison and validation of MCNP photon interaction data

et al. 2017

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Abstract. The objective of the research was to test available photoatomic data libraries for fusion relevant applications, comparing against experimental and computational neutronics benchmarks. Photon flux and heating was compared using the photon interaction data libraries (mcplib 04p, 05t, 84p and 12p). Suitable benchmark experiments (iron and water) were selected from the SINBAD database and analysed to compare experimental values with MCNP calculations using mcplib 04p, 84p and 12p. In both the computational and experimental comparisons, the majority of results with the 04p, 84p and 12p photon data libraries were within 1σ of the mean MCNP statistical uncertainty. Larger differences were observed when comparing computational results with the 05t test photon library. The Doppler broadening sampling bug in MCNP-5 is shown to be corrected for fusion relevant problems through use of the 84p photon data library. The recommended libraries for fusion neutronics are 84p (or 04p) with MCNP6 and 84p if using MCNP-5.

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Section: Data Libraries and Experimental Datamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%