SYSTEM PREPARATION AND FAST NEUTRON SPECTRA MEASUREMENT IN A GRAPHITE STACK.

Alex Tsechanski, Gad Shani

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Several attempts were made in the last few years to measure and calculate the fast neutron distributions in materials of interest in fusion reactor design, particularly in graphite. The neutron spectra were measured with a 50-x 50-mm Ne-213 liquid scintillator using the pulse shape discrimination technique to reject gamma-ray counts. The linearity test of the neutron spectrometer was performed by means of radioactive gamma-ray sources and D(d,n)He//3 and T(d,n)He//4 neutrons. Amplification factors (in light units per channel) were achieved with a //1**1 Na**2**2 radioactive source. The spectrometer was checked with the D(d,n)He//3, T(d,n)He//4 reactions and an americium-beryllium radioactive neutron source. The measured proton recoil spectra were unfolded in the neutron spectra by the FORIST unfolding code.

Original languageEnglish
Pages (from-to)227-237
Number of pages11
JournalNuclear Technology
Volume62
Issue number2
DOIs
StatePublished - 1 Jan 1983

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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