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

Författare:
Publiceringsår: 2006
Språk: Engelska
Sidor: 753-762
Publikation/Tidskrift/Serie: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volym: 565
Nummer: 2
Dokumenttyp: Artikel
Förlag: Elsevier Science B.V.

Sammanfattning

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.

Disputation

Nyckelord

  • Physics and Astronomy
  • liquid scintillator neutron detector
  • Monte Carlo simulation of neutron
  • photoproduction

Övriga

Published
Yes
  • ISSN: 0168-9002

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