Measurement of the response function of a 3He ionisation chamber to monoenergetic neutrons in the energy range from 2.0 to 3.0 MeV

M. J. Loughlin, J. M. Adams, G. Sadler

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Abstract

Measurements have been made of the response of a 3He-filled ionisation chamber to monoenergetic neutrons in the energy range from 2.1 to 3.02 MeV. The full-energy peak and the wall effect in the measured pulse height spectra have been fitted and energy-dependent descriptions of the spectral shape and the detector efficiency have been derived for the complete range of interest.

Original languageEnglish
Pages (from-to)606-615
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume294
Issue number3
DOIs
StatePublished - Sep 15 1990
Externally publishedYes

Funding

The authors would like to express their gratitude to N . Watkins for his assistance with programming, D. West for helpful discussions, J.H . Stevens, W .E . Sparrow and the operators of the Harwell 5 MV Van de Graaff, G. Grosshoeg of Chalmer's University for the loan of one detector and the interest he showed along with D.B . Syme, O .N . Jarvis, V . Merlo and J. Kallne . This work was carried as part of the research for a Ph .D . at Birmingham University and one of us (M.J .L .) is grateful to Prof . J . Walker for supervision and to the UKAEA for financial support . This work was financed under JET Contract no . JE2/0685 .

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