A compact high-energy neutron spectrometer

A compact liquid organic neutron spectrometer based on a single NE213 liquid scintillator (5 cm diameter × 5 cm) is described. The spectrometer is designed to measure neutron fluence spectra over the energy range 2–200 MeV and is suitable for use in neutron fields having any type of time structure....

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Bibliographic Details
Published in:Radiation protection dosimetry 2007-01, Vol.126 (1-4), p.218-222
Main Authors: Brooks, F. D., Buffler, A., Allie, M. S., Herbert, M. S., Nchodu, M. R., Jones, D. T. L., Smit, F. D., Nolte, R., Dangendorf, V.
Format: Article
Language:English
Subjects:
Equipment Design
Equipment Failure Analysis
Miniaturization
Neutrons
Organic Chemicals - chemistry
Organic Chemicals - radiation effects
Radiation Dosage
Radiometry - instrumentation
Radiometry - methods
Reproducibility of Results
Sensitivity and Specificity
Solutions
Spectrum Analysis - instrumentation
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Description
Summary:A compact liquid organic neutron spectrometer based on a single NE213 liquid scintillator (5 cm diameter × 5 cm) is described. The spectrometer is designed to measure neutron fluence spectra over the energy range 2–200 MeV and is suitable for use in neutron fields having any type of time structure. Neutron fluence spectra are obtained from measurements of two-parameter distributions (counts versus pulse-height and pulse shape) using the Bayesian unfolding code MAXED. Calibration and test measurements made using a pulsed neutron beam with a continuous energy spectrum are described and the application of the spectrometer to radiation dose measurements is discussed.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncm045