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Novel recoil nuclei detectors to qualify the AMANDE facility as a standard for mono-energetic neutron fields

Abstract : The AMANDE facility at IRSN-Cadarache produces mono-energetic neutron fields from 2 keV to 20 MeV with metrological quality. To be considered as a standard facility, characteristics of neutron field i.e fluence distribution must be well known by a device using absolute measurements. The development of new detector systems allowing a direct measurement of neutron energy and fluence has started in 2006. Using the proton recoil telescope principle with the goal of increase the efficiency, two systems with full localization are studied. A proton recoil telescope using CMOS sensor (CMOS-RPT) is studied for measurements at high energies and the helium 4 gaseous micro-time projection chamber (microTPC He4) will be dedicated to the lowest energies. Simulations of the two systems were performed with the transport Monte Carlo code MCNPX, to choose the components and the geometry, to optimize the efficiency and detection limits of both devices or to estimate performances expected. First preliminary measurements realised in 2008 demonstrated the proof of principle of these novel detectors for neutron metrology.
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Contributor : Emmanuelle Vernay <>
Submitted on : Tuesday, December 2, 2008 - 9:08:27 AM
Last modification on : Monday, July 20, 2020 - 9:18:25 AM

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A. Allaoua, O. Guillaudin, S. Higueret, D. Husson, L. Lebreton, et al.. Novel recoil nuclei detectors to qualify the AMANDE facility as a standard for mono-energetic neutron fields. 24th International Conference on Nuclear Tracks in Solids, Sep 2008, Bologna, Italy. pp.755-758, ⟨10.1016/j.radmeas.2009.10.066⟩. ⟨in2p3-00343554⟩

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