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  • Chernikova, Dina,1982Chalmers tekniska högskola,Chalmers University of Technology (author)

Experimental and numerical investigations of radiation characteristics of Russian portable/compact pulsed neutron generators: ING-031 ING-07, ING-06 and ING-10-20-120

  • Article/chapterEnglish2014

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  • Elsevier BV,2014

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  • LIBRIS-ID:oai:research.chalmers.se:8057f8bd-10b5-46dc-9533-62c9fc6a1375
  • https://doi.org/10.1016/j.nima.2014.01.061DOI
  • https://research.chalmers.se/publication/198078URI

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  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

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  • The present paper discusses results of full-scale experimental and numerical investigations of influence of construction materials of portable pulsed neutron generators ING-031, ING-07, ING-06 and ING-10-20-120 (VNIIA, Russia) to their radiation characteristics formed during and after an operation (shutdown period). In particular, it is shown that an original monoenergetic isotropic angular distribution of neutrons emitted by TiT target changes into the significantly anisotropic angular distribution with a broad energy spectrum stretching to the thermal region. Along with the low energetic neutron part, a significant amount of photons appears during the operation of generators. In the pulse mode of operation of neutron generator, a presence of the construction materials leads to the "tailing" of the original neutron pulse and the appearance of an accompanying photon pulse at similar to 3 ns after the instant neutron pulse. In addition to that, reactions of neutron capture and inelastic scattering lead to the creation of radioactive nuclides, such as Co-58, Cu-62, Cu-64 and F-18, which form the so-called activation radiation. Thus, the selection of a portable neutron generator for a particular type of application has to be clone considering radiation characteristics of the generator itself. This paper will be of interest to users of neutron generators, providing them with valuable information about limitations of a specific generator and with recommendations for improving the design and performance of the generator as a whole. (c) 2014 Elsevier B.V. All rights reserved.

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  • Romodanov, V. L.National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian Federation (author)
  • Belevitin, A. G.National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian Federation (author)
  • Afanas'ev, V. V.National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian Federation (author)
  • Sakharov, V. K.National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian Federation (author)
  • Bogolubov, E. P. (author)
  • Ryzhkov, V. I. (author)
  • Khasaev, T. O. (author)
  • Sladkov, A. A. (author)
  • Bitulev, A. A. (author)
  • National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian FederationChalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment: Elsevier BV746, s. 74-860168-9002

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