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Journal Articles EPJ Web of Conferences Year : 2020

Neutrons production on the IPHI accelerator for the validation of the design of the compact neutron source SONATE

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Abstract

We aim at building a compact accelerator-based neutron source (CANS) which would provide a thermal neutron flux on the order of 4x10 12 n.s-1 .cm-2 .sr-1. Such a brilliance would put compact neutron sources on par with existing medium flux neutron research reactors for neutron scattering experiments. We performed the first neutron production tests on the IPHI proton accelerator at Saclay at a proton energy of 3 MeV. The thermal neutron flux were measured using gold foil activation and 3 He detectors. The measured flux were compared with GEANT4 Monte Carlo simulations (10.4) in which the whole experimental setup was modelled. There is a good agreement between the experimental measurements and the Monte-Carlo simulations. The available modelling tools will allow us to optimize the whole Target Moderator Reflector assembly together with the neutron scattering spectrometer geometries for the design of the neutron scattering facility SONATE.
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Dates and versions

cea-03246584 , version 1 (11-07-2022)

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Hoang Ngoc Tran, Frédéric Ott, Jacques Darpentigny, Anthony Marchix, Alain Letourneau, et al.. Neutrons production on the IPHI accelerator for the validation of the design of the compact neutron source SONATE. EPJ Web of Conferences, 2020, 231, pp.01007. ⟨10.1051/epjconf/202023101007⟩. ⟨cea-03246584⟩
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