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Measurements and Mo...
Measurements and Monte-Carlo simulations of the particle self-shielding effect of B4C grains in neutron shielding concrete
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- DiJulio, D. D. (författare)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,European Spallation Source ESS AB
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- Cooper-Jensen, Carsten P. (författare)
- Uppsala University,Uppsala universitet,Materialfysik,European Spollat Source ERIC, POB 176, SE-22100 Lund, Sweden,European Spallation Source ESS AB
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- Llamas-Jansa, I. (författare)
- European Spollat Source ERIC, POB 176, SE-22100 Lund, Sweden;Inst Energy Technol, POB 40, N-2027 Kjeller, Norway,European Spallation Source ESS AB,Institute for Energy Technology
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- Kazi, S. (författare)
- Inst Energy Technol, POB 40, N-2027 Kjeller, Norway,Institute for Energy Technology
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- Bentley, Phillip M. (författare)
- Uppsala University,Uppsala universitet,Materialfysik,European Spollat Source ERIC, POB 176, SE-22100 Lund, Sweden,European Spallation Source ESS AB
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(creator_code:org_t)
- PERGAMON-ELSEVIER SCIENCE LTD, 2018
- 2018
- Engelska.
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Ingår i: Radiation Physics and Chemistry. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0969-806X .- 1879-0895. ; 147, s. 40-44
- Relaterad länk:
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http://arxiv.org/pdf...
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- A combined measurement and Monte-Carlo simulation study was carried out in order to characterize the particle self-shielding effect of B4C grains in neutron shielding concrete. Several batches of a specialized neutron shielding concrete, with varying B4C grain sizes, were exposed to a 2 angstrom neutron beam at the R2D2 test beamline at the Institute for Energy Technology located in Kjeller, Norway. The direct and scattered neutrons were detected with a neutron detector placed behind the concrete blocks and the results were compared to Geant4 simulations. The particle self-shielding effect was included in the Geant4 simulations by calculating effective neutron cross-sections during the Monte-Carlo simulation process. It is shown that this method well reproduces the measured results. Our results show that shielding calculations for low-energy neutrons using such materials would lead to an underestimate of the shielding required for a certain design scenario if the particle self shielding effect is not included in the calculations.
Ämnesord
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Nyckelord
- Neutron shielding concrete
- Particle Self-Shielding effect
- Geant4
- Geant4
- Neutron shielding concrete
- Particle Self-Shielding effect
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- ref (ämneskategori)
- art (ämneskategori)
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