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2. Associated particle technique
The associated particle technique (APT) is a method of interrogating matter using fast neutrons produced by a gas pedal. Initially implemented in physics experiments, non-laboratory applications were made possible in the late 1990s with the advent of transportable associated particle sealed tubes, producing 14 MeV neutrons by deuterium-tritium fusion reaction t(d, n)α (figure 1 ). With each neutron, an alpha particle is emitted at approximately 180°, and its measurement by a localization detector enables the direction of emission of the associated neutron to be determined. The solid angle of the "tagged" neutrons is determined by the size of the alpha detector. The tagged neutron beam can be...
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Associated particle technique
Applications
Bibliography
Websites
European projects website EURITRACK (FP6) and Eritr@C (Dir. Gen. Justice Liberty Security) http://www.euritrack.org
European UNCOSS project website (FP7) http://www.uncoss-project.org
Authors' bibliographical references concerning in...
Patents
CARASCO (C.), PEROT (B.). – Non-intrusive chemical element detection method. Patent application filed Dec. 15, 2008, patent FR 2939895 (B1) published Jan. 14, 2011.
PEROT (B.), CARASCO (C.). – Method for detecting nuclear material by neutron interrogation and associated detection system. Patent application filed Jan. 10, 2011, patent FR 2970339 (B1) published Feb. 8, 2013.
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