Berührungsfreie Detektions- und Identifizierungsverfahren zum Einsatz vor Ort bei der nuklearspezifischen Gefahrenabwehr


In case of a terrorist threat to release nuclear or radioactive material methods are needed for fast search and, after detection, identification of the substance. For the search we have a car at our disposal, which is equipped with very sensitive detectors, useful for a first identification also. Advanced measurements are performed with portable detectors of high-energy resolution or by scanning of buildings or objects with a gamma camera. Initially such material may be stored under water in preparation for an attack. In this case we have special sensor available for detection and subsequent identification. In case no suspect material is detected with all these passive methods, even though a reasonable suspicion exists, active methods will be employed. Thereto neutron interrogation is presented in brief. With all these techniques it is possible to determine the presence of radioactive or fissionable materials, as well as type and quantity within certain limits. Hence information will be gained on the possible risk potential and can recommend further actions taking radiological aspects into account

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This paper was published in Fraunhofer-ePrints.

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