Development of a computational model for fast-neutron radiography

John I. W. Watterson; Jacok Guzek; U. A. S. Tapper; S. N. Surujhlal

doi:10.1117/12.267931

27 February 1997 Development of a computational model for fast-neutron radiography

John I. W. Watterson, Jacok Guzek, U. A. S. Tapper, S. N. Surujhlal

Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267931
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece

Abstract

A computational model has been developed to investigate and assess possible applications for the technique of fast neutron radiography. This technique has a number of potential advantages including the ability to use a neutron source of high brightness, provided by an accelerator, and the use of the resonant structure of the total neutron cross-section to enhance the contrast. The development and implementation of the model is described and a hypothetical example is given of its application to the imaging of aluminium in alumina. In this case the model predicts that the signal-to-noise ratio could be increased by a factor of ten by decreasing the thickness of the lithium target from 150 micrometers to 50 micrometers for the reaction ⁷Li(p,n)⁷Be used, with 4.4 MeV protons, as a neutron source. The model is at present being tested experimentally.

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John I. W. Watterson, Jacok Guzek, U. A. S. Tapper, and S. N. Surujhlal "Development of a computational model for fast-neutron radiography", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); https://doi.org/10.1117/12.267931

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