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MicroMegas-based detectors for time-of-flight measurements of neutron-induced reactions

Abstract : MicroMegas detectors are versatile gaseous detectors which are used for ionizing paricle detection. A MicroMegas detector consists of two adjacent gas-filled volumes. One volume acts as a drift region with an electric field operating in the ionization chamber regime, the second volume is the amplification region acting as a parallel-plate avalanche counter. The use of the microbulk technique allows the production of thin, radiation resistant, and low-mass detector with a highly variable gain. Such MicroMegas detectors have been developed and used in combination with neutron time-of-flight measurements for in-beam neutron-flux monitoring, fission and light-charged particle reaction cross section measurements, and for neutron-beam imaging. An overview of MicroMegas detectors for neutron detection and neutron reaction cross section measurements and related results and developments will be presented.
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Submitted on : Friday, October 23, 2020 - 4:22:01 PM
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F. Gunsing, F. Belloni, E. Berthoumieux, M. Diakaki, E. Dupont, et al.. MicroMegas-based detectors for time-of-flight measurements of neutron-induced reactions. EPJ Web of Conferences, EDP Sciences, 2020, 239, pp.17007. ⟨10.1051/epjconf/202023917007⟩. ⟨cea-02976817⟩



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