Optimization of the photoneutron flux emitted by an electron accelerator for neutron interrogation applications using mcnpx and tripoli-4 monte carlo codes

A. Sari 1 F. Carrel 1 C. Jouanne 2 O. Petit 2 A. Lyoussi 3
1 LCAE - Laboratoire Capteurs et Architectures Electroniques
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
3 LDCI - Laboratoire de Dosimétrie, de Contrôle-commande et Instrumentation
SPESI - Service Physique EXpérimentale, d'essais en Sûreté et d'Instrumentation : DEN/DER
Abstract : Various applications require neutron interrogation to detect special nuclear material (SNM). Carrying out neutron interrogation measurements using the photoneutron flux emitted by an electron accelerator enables to reach average emission intensity on the order of two decades beyond the one produced by deuteriumtritium neutron generators traditionally used for such applications and enables to enhance neutron interrogation performance. In this paper, we characterize the photoneutron flux emitted by an electron accelerator in the energy range of 10 MeV to 20 MeV, and then, optimize the interrogative beam. In order to ensure accuracy and reliability of results, two Monte Carlo codes are used for this study: MCNPX and TRIPOLI-4.
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Submitted on : Thursday, July 19, 2018 - 3:57:56 PM
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A. Sari, F. Carrel, C. Jouanne, O. Petit, A. Lyoussi. Optimization of the photoneutron flux emitted by an electron accelerator for neutron interrogation applications using mcnpx and tripoli-4 monte carlo codes. 4th International Particle Accelerator Conference, IPAC 2013, May 2013, Shanghai, China. pp.3630-3632. ⟨cea-01844708⟩

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