Development of very-thick transparent GEMs with wavelength-shifting capability for noble element TPCs

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2021_eurphysjc_kuzniak_development.pdf (1.08 MB)
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URI: http://hdl.handle.net/10347/26655
E-ISSN: 1434-6052
DOI: 10.1140/epjc/s10052-021-09316-0

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2021

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A new concept for the simultaneous detection of primary and secondary scintillation in time projection chambers is proposed. Its core element is a type of very-thick GEM structure supplied with transparent electrodes and machined from a polyethylene naphthalate plate, a natural wavelength shifter. Such a device has good prospects for scalability and, by virtue of its genuine optical properties, it can improve on the light collection efficiency, energy threshold and resolution of conventional micropattern gas detectors. This, together with the intrinsic radiopurity of its constituting elements, offers advantages for noble gas and liquid based time projection chambers, used for dark matter searches and neutrino experiments. Production, optical and electrical characterization, and first measurements performed with the new device are reported

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Kuźniak, M., González-Díaz, D., Amedo, P. et al. Development of very-thick transparent GEMs with wavelength-shifting capability for noble element TPCs. Eur. Phys. J. C 81, 609 (2021). https://doi.org/10.1140/epjc/s10052-021-09316-0

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This project was funded by the National Science Centre, Poland (Grant No. 2019/03/X/ST2/01560). The NCAC PAS team acknowledges support from the International Research Agenda Programme AstroCeNT (MAB/2018/7) funded by the Foundation for Polish Science from the European Regional Development Fund (ERDF). DGD acknowledges Ramon y Cajal program (Spain) under contract number RYC-2015-18820. AstroCeNT and TUM cooperation is supported from the EU’s Horizon 2020 research and innovation programme under grant agreement No 962480 (DarkWave project)

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© The Author(s) 2021. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/
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Física de Partículas
Instituto Galego de Física de Altas Enerxías (IGFAE)