The use of alpha particle tagged neutrons for the inspection of objects on the sea floor for the presence of explosives

A system using a neutron sensor installed within a Remotely Operated Vehicle (ROV) for underwater inspection has been developed. The system can inspect objects for the presence of threat materials, such as explosives and chemical agents, by using alpha particle tagged neutrons from a sealed tube d+t...

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Bibliographic Details
Published in:	Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 703; pp. 133 - 137
Main Authors:	Valkovic, V., Sudac, D., Obhodas, J., Eleon, C., Perot, B., Carasco, C., Sannié, G., Boudergui, K., Kondrasovs, V., Corre, G., Normand, S., Woo, R., Bourbotte, J.M.
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01-03-2013 Elsevier
Subjects:	Alpha particles Alpha rays Associated alpha particle technique Explosives Fast neutron interrogation Inspection Instrumentation and Detectors Marine Nuclear Experiment Particle accelerators Physics Remotely operated vehicles Sea beds Tubes Underwater explosive detection Fast neutron interrogation Underwater explosive detection Associated alpha particle technique explosive detection spectrum analysis nuclear instrumentation neutron gamma-rays instrumentation neutrons ionizing radiation radioactivity
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Summary:	A system using a neutron sensor installed within a Remotely Operated Vehicle (ROV) for underwater inspection has been developed. The system can inspect objects for the presence of threat materials, such as explosives and chemical agents, by using alpha particle tagged neutrons from a sealed tube d+t neutron generator to produce characteristic gamma rays within the interrogated object. Here we show that the measured gamma spectra for commonly found ammunition charged with TNT explosives are dominated by C, O and Fe peaks enabling the underwater determination of explosives inside an ammunition shell.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0168-9002 1872-9576
DOI:	10.1016/j.nima.2012.11.096