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Journal Articles Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Year : 2018

A gated LaBr 3 (Ce) detector for border protection applications

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Abstract

We report on the dedicated implementation of the blocking technique for a LaBr(Ce) detector as well as associated electronics and data acquisition system for border protection applications. The detector is meant to perform delayed -ray spectroscopy of fission fragments produced via photofission induced by a high intensity pulsed photon beam. The gating technique avoids saturation of the detection chain during irradiation. The resulting setup allows us to successfully perform delayed -ray spectroscopy starting only 30 ns after the gating operation. The measured energy resolution ranges from 5% to 6.5% at 662 keV depending on the -ray detection time after the gating operation

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cea-01993942 , version 1 (25-01-2019)

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Asénath Étilé Étilé, David Denis-Petit, Laurent Gaudefroy, Vincent Méot, Olivier Roig. A gated LaBr 3 (Ce) detector for border protection applications. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2018, 877, pp.323-327. ⟨10.1016/j.nima.2017.08.053⟩. ⟨cea-01993942⟩

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