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High-energy in-beam...
High-energy in-beam neutron measurements of metal-based shielding for accelerator-driven spallation neutron sources
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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 ERIC, Sweden
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- Cooper-Jensen, Carsten P. (författare)
- Uppsala University,Uppsala universitet,Materialfysik,European Spallat Source ERIC, POB 176, SE-22100 Lund, Sweden.,European Spallation Source ERIC, Sweden
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- Björgvinsdóttir, H. (författare)
- Uppsala University,Uppsala universitet,Materialfysik,European Spallat Source ERIC, POB 176, SE-22100 Lund, Sweden.,European Spallation Source ERIC, Sweden
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- Kokai, Z. (författare)
- European Spallat Source ERIC, POB 176, SE-22100 Lund, Sweden.,European Spallation Source ERIC, Sweden
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- Bentley, Phillip M. (författare)
- Uppsala University,Uppsala universitet,Materialfysik,European Spallat Source ERIC, POB 176, SE-22100 Lund, Sweden.,European Spallation Source ERIC, Sweden
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(creator_code:org_t)
- 2016
- 2016
- Engelska.
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Ingår i: Physical Review Accelerators and Beams. - 2469-9888. ; 19:5
- Relaterad länk:
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http://dx.doi.org/10... (free)
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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
- Metal-based shielding plays an important role in the attenuation of harmful and unwanted radiation at an accelerator-driven spallation neutron source. At the European Spallation Source, currently under construction in Lund, Sweden, metal-based materials are planned to be used extensively as neutron guide substrates in addition to other shielding structures around neutron guides. The usage of metal-based materials in the vicinity of neutron guides however requires careful consideration in order to minimize potential background effects in a neutron instrument at the facility. Therefore, we have carried out a combined study involving high-energy neutron measurements and Monte Carlo simulations of metal-based shielding, both to validate the simulation methodology and also to investigate the benefits and drawbacks of different metal-based solutions. The measurements were carried out at The Svedberg Laboratory in Uppsala, Sweden, using a 174.1 MeV neutron beam and various thicknesses of aluminum-, iron-, and copper-based shielding blocks. The results were compared to Geant4 simulations and revealed excellent agreement. Our combined study highlights the particular situations where one type of metal-based solution may be preferred over another.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
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