Usage of PEN as self-vetoing structural material in the LEGEND experiment

Manzanillas, L. and Efremenko, Y. and Febbraro, M. and Fischer, F. and Corominas, M.G. and Hackett, B. and Hayward, C. and Hodák, R. and Majorovits, B. and Muenstermann, D. and Pohl, M. and Rouhana, R. and Radford, D. and Rukhadze, E. and Schilling, I. and Schulz, O. and Štekl, I. and Stommel, M. and Weingarten, J. (2022) Usage of PEN as self-vetoing structural material in the LEGEND experiment. Journal of Instrumentation, 17 (3): C03031. ISSN 1748-0221

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Abstract

Polyethylene naphthalate (PEN) is an industrial plastic which is interesting to the physics community as a wavelength-shifting scintillator. Recently, PEN structures with excellent radiopurity have been successfully produced using injection compression molding technology. This opens the possibility for the usage of optically active structural components with wavelength shifting capabilities in low-background experiments. Thus, PEN holders will be used to mount the germanium detectors in the LEGEND-200 experiment. In this contribution the ongoing R&D on PEN is outlined with a focus on the evaluation of its optical properties. In addition, the ongoing efforts for further application of PEN in the LEGEND-1000 experiment are presented.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Instrumentation
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3105
Subjects:
?? instrumentationmathematical physics ??
ID Code:
190088
Deposited By:
Deposited On:
30 Mar 2023 14:30
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 22:32