Measurement of 14 MeV neutron transmission through beryllium

Measurement of 14 MeV neutron transmission through beryllium

A transmission experiment with 14 MeV neutrons on a beryllium spherical shell of 5 cm thickness is reported. The neutron leakage spectrum in the 1.2–16 MeV range was measured by a proton recoil spectrometer based on the NE-213 scintillator. Comparison with calculations revealed that nuclear data fro...

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Veröffentlicht in:Fusion engineering and design 1993-10, Vol.23 (1), p.57-62
Hauptverfasser: Půlpán, J., Králík, M., Novotný, T., Chuvilin, D.Yu, Konakov, S.A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Installations for energy generation and conversion: thermal and electrical energy
Materials
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Zusammenfassung:A transmission experiment with 14 MeV neutrons on a beryllium spherical shell of 5 cm thickness is reported. The neutron leakage spectrum in the 1.2–16 MeV range was measured by a proton recoil spectrometer based on the NE-213 scintillator. Comparison with calculations revealed that nuclear data from LASL-SUB and JENDL-3.1 libraries cause overestimation of the neutron leakage spectrum in the energy intervals 1.2–8 MeV and 12.5–16 MeV. Data from ENDF/B-VI and IV libraries overestimate the leakage spectrum in 3–8 MeV and 12.5–16 MeV intervals.
ISSN:0920-3796
1873-7196
DOI:10.1016/0920-3796(93)90111-T