Measurement and simulation of the neutron response of the Nordball liquid scintillator array

A. Reiter, Jan-Olof Adler, I. Akkurt, J. R. M. Annand, F. Fasolo, Kevin Fissum, Kurt Hansen, Lennart Isaksson, M Karlsson, Magnus Lundin, J. C. McGeorge, Björn Nilsson, G. Rosner, Bent Schröder, A. Zanini

Research output: Contribution to journalArticlepeer-review


The response of the liquid scintillator array Nordball to neutrons in the energy range 1.5 < T-n < 10 MeV has been measured by time of flight using a Cf-252 fission source. Fission fragments were detected by means of a thin-film plastic scintillator. The measured differential and integral neutron detection efficiencies agree well with predictions of a Monte Carlo simulation of the detector which models geometry accurately and incorporates the measured, non-linear proton light output as a function of energy. The ability of the model to provide systematic corrections to photoneutron cross-sections, measured by Nordball at low energy, is tested in a measurement of the two-body deuteron photodisintegration cross-section in the range E-gamma = 14-18 MeV. After correction the present H-2 (gamma, n)p measurements agree well with a published evaluation of the large body of H-2(gamma, p)n data. (c) 2006 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)753-762
JournalNuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Issue number2
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Accelerator Physics and Instrumentation


  • liquid scintillator neutron detector
  • Monte Carlo simulation of neutron
  • photoproduction


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