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Gamma-gamma resonance in activation analysis, and particularly, its application to detection of nitrogen based explosives in luggage
Gamma-gamma resonance in activation analysis, and particularly, its application to detection of nitrogen based explosives in luggage
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机译:γ-γ共振在活化分析中的应用,尤其是在检测行李箱中基于氮的炸药中的应用
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摘要
The invention relates to an apparatus and method for detecting the presence of an element of interest within an object. The object is positioned where a beam gamma rays of the required energy are directed to be scattered by the element of interest. The gamma rays are provided by excited atoms of the element of interest. The excited atoms result from the reaction of hydrogen or heavier ions and a suitable target. The excited atoms deexcite releasing gamma rays which are scattered by the element of interest within the object. The scattered gamma rays are detected, output signals are produced, processed and analyzed to determine the amount of the element of interest within the object. A preferred embodiment relates to the detection of nitrogen-based explosives in luggage.
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