Passive and active correlation techniques for the detection of Nuclear Materials
| Autor: | Stephane Normand, Philippe Pras, Gwenolé Corre, Karim Boudergui, Cyrille Eleon, Vladimir Konzdrasovs, Bertrand Perot, Guillaume Sannie, Cedric Carasco, Clement Deyglun |
|---|---|
| Přispěvatelé: | CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire Capteurs et Architectures Electroniques (LCAE), Département Métrologie Instrumentation & Information (DM2I), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Direction des Applications Militaires (DAM), Laboratoire d'Intégration des Systèmes et des Technologies (LIST), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST) |
| Rok vydání: | 2013 |
| Předmět: |
Nuclear and High Energy Physics
Nuclear engineering nuclear safeguards Scintillator [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] 010403 inorganic & nuclear chemistry 01 natural sciences neutron detection Particle detector Coincidence correlation measurements Nuclear physics Data acquisition 0103 physical sciences Neutron detection Neutron Electrical and Electronic Engineering plastic scintillators Physics 010308 nuclear & particles physics Detector Gamma ray 0104 chemical sciences Nuclear Energy and Engineering Associated particle technique [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing |
| Zdroj: | IEEE Transactions on Nuclear Science IEEE Transactions on Nuclear Science, 2014, 61 (4), pp.2228-2234. ⟨10.1109/TNS.2014.2315714⟩ IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2014, 61 (4), pp.2228-2234. ⟨10.1109/TNS.2014.2315714⟩ |
| ISSN: | 0018-9499 |
| Popis: | International audience; In the frame of the French trans-governmental R&D program against CBRN-E threats, CEA (French Alternative Energies and Atomic Energy Commission) is studying the detection of Special Nuclear Materials (SNM) by neutron interrogation with the Associated Particle Technique (APT). Coincidences including at least 3 fission neutrons or gamma rays induced by tagged neutrons are used to detect and distinguish SNM from benign materials in which lower multiplicity events of 1 or 2 particles are produced by (n,2n) or (n,n’ ) reactions. Coincidences are detected by fast plastic scintillators and correlated with tagged neutrons to improve the signal-to-noise ratio. Dedicated data acquisition electronics (DAQ) have been developed with independent FPGA cards associated with each detector, so that the acquisition window can be opened by any of the plastic scintillators. DAQ tests in passive mode are presented, in which acquisition is triggered by the sum signal of all detectors. The system time and energy calibrationand resolution are reported, as well as the qualification of numerical simulations thanks to experimental data acquired with simple setups using a source. Numerical studies for the design and performance of cargo container inspection are also performed with the MCNP-PoliMi computer code and the ROOT data analysis package. SNM detection in iron matrix is quite straightforward, but in organic matrix, data processing will need to combine more information to evidence SNM. |
| Databáze: | OpenAIRE |
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