MOX assay using He-4 scintillation detectors

Murer, D., Chandra, R., Davatz, G., Friederich, H., Gendotti, U. and Jebali, R. (2012) MOX assay using He-4 scintillation detectors. In: Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIII, Baltimore, MD, USA, 23 Apr 2012, 83581P. (doi:10.1117/12.919205)

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Publisher's URL: http://dx.doi.org/10.1117/12.919205

Abstract

A neutron spectroscopic technique for plutonium content measurement is described. The technique exploits the kinematic cuto of neutron emission from (α, n) reactions on oxygen. The Watt spectrum of ssion neutron emission extends to higher energies without such a cuto. 4He scintillation detectors were calibrated with an energy cut to reject neutrons of low energies, thereby making the detectors sensitive only to ssion neutrons but not to neutrons from the (α, n) reaction on oxygen. Experimental results are presented. Simulations are discussed to evaluate possible self shielding eects. Furthermore, numerous factors in uencing gamma rejection are discussed.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Al Jebali, Dr Ramsey
Authors: Murer, D., Chandra, R., Davatz, G., Friederich, H., Gendotti, U., and Jebali, R.
College/School:College of Science and Engineering > School of Physics and Astronomy
ISSN:0277786X

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