28 September 2016 GEM detectors development for radiation environment: neutron tests and simulations
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Proceedings Volume 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016; 100313X (2016) https://doi.org/10.1117/12.2249490
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 2016, Wilga, Poland
Abstract
One of the requests from the ongoing ITER-Like Wall Project is to have diagnostics for Soft X-Ray (SXR) monitoring in tokamak. Such diagnostics should be focused on tungsten emission measurements, as an increased attention is currently paid to tungsten due to a fact that it became a main candidate for the plasma facing material in ITER and future fusion reactor. In addition, such diagnostics should be able to withstand harsh radiation environment at tokamak during its operation. The presented work is related to the development of such diagnostics based on Gas Electron Multiplier (GEM) technology. More specifically, an influence of neutron radiation on performance of the GEM detectors is studied both experimentally and through computer simulations. The neutron induced radioactivity (after neutron source exposure) was found to be not pronounced comparing to an impact of other secondary neutron reaction products (during the exposure).
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Maryna Chernyshova, Sławomir Jednoróg, Karol Malinowski, Tomasz Czarski, Adam Ziółkowski, Barbara Bieńkowska, Rafał Prokopowicz, Ewa Łaszyńska, Ewa Kowalska-Strzęciwilk, Krzysztof T. Poźniak, Grzegorz Kasprowicz, Wojciech Zabołotny, Andrzej Wojeński, Rafał D. Krawczyk, Paweł Linczuk, Paweł Potrykus, Barcel Bajdel, "GEM detectors development for radiation environment: neutron tests and simulations", Proc. SPIE 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 100313X (28 September 2016); doi: 10.1117/12.2249490; https://doi.org/10.1117/12.2249490
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