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Sökning: WFRF:(Lundin E) > Mittuniversitetet

  • Resultat 1-4 av 4
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1.
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2.
  • Jebali, R., et al. (författare)
  • A first comparison of the responses of a He-4-based fast-neutron detector and a NE-213 liquid-scintillator reference detector
  • 2015
  • Ingår i: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576 .- 0167-5087. ; 794, s. 102-108
  • Tidskriftsartikel (refereegranskat)abstract
    • A first comparison has been made between the pulse-shape discrimination characteristics of a novel He-4-based pressurized scintillation detector and a NE-213 liquicl-scintillator reference detector using an Am/Be mixed-field neutron and gamma-ray source and a high-resolution scintillation-pulse digitizer. In particular, the capabilities of the two fast neutron detectors to discriminate between neutrons and gamma-rays were investigated. The NE-213 liquicl-scintillator reference cell produced a wide range of scintillation-light yields in response to he gamma-ray field of the source. In stark contrast, clue to the size and pressure of the He-4 gas volume, the He-4-based detector registered a maximum scintillation-light yield of 750 keV(ee) to the same gamma-ray field. Pulse-shape discrimination for particles with scintillation-light yields of more than 750 keV(ee) was excellent in the case of the He-4-based detector. Above 750 keV(ee) its signal was unambiguously neutron, enabling particle identification based entirely upon the amount of scintillation light produced. (C) 2015 The Authors. Published by Elsevier B.V.
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3.
  • Mellander, Per-Erik, et al. (författare)
  • The bog as an element in the boreal forest biome
  • 1996
  • Ingår i: Nordic hydrological conference 1996 : Akureyri, Iceland, 13-15 August 1996 / Nordic Association for Hydrologi. - Reykjavík : Icelandic Hydrological Committee. ; , s. 798-, s. 389-398
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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4.
  • Scherzinger, J., et al. (författare)
  • Tagging fast neutrons from an 241Am/9Be source
  • 2015
  • Ingår i: Applied Radiation and Isotopes. - : Elsevier BV. - 0969-8043 .- 1872-9800. ; 98, s. 74-79
  • Tidskriftsartikel (refereegranskat)abstract
    • Shielding, coincidence, and time-of-flight measurement techniques are employed to tag fast neutrons emitted from an 241Am/9Be source resulting in a continuous polychromatic energy-tagged beam of neutrons with energies up to 7MeV. The measured energy structure of the beam agrees qualitatively with both previous measurements and theoretical calculations.
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  • Resultat 1-4 av 4

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