Production and validation of scintillating structural components from low-background Poly(ethylene naphthalate)

Efremenko, Y. and Febbraro, M. and Fischer, F. and Guitart Corominas, M. and Gusev, K. and Hackett, B. and Hayward, C. and Hodák, R. and Krause, P. and Majorovits, B. and Manzanillas, L. and Muenstermann, D. and Pohl, M. and Rouhana, R. and Radford, D. and Rukhadze, E. and Rumyantseva, N. and Schilling, I. and Schoenert, S. and Schulz, O. and Schwarz, M. and Štekl, I. and Stommel, M. and Weingarten, J. (2022) Production and validation of scintillating structural components from low-background Poly(ethylene naphthalate). Journal of Instrumentation, 17 (1). ISSN 1748-0221

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Abstract

Poly Ethylene Naphthalate (PEN) is an industrial polymer plastic which is investigated as a low background, transparent, scintillating and wavelength shifting structural material. PEN scintillates in the blue region and has excellent mechanical properties both at room and cryogenic temperatures. Thus, it is an ideal candidate for active structural components in experiments for the search of rare events like neutrinoless double-beta decay or dark matter recoils. Such optically active structures improve the identification and rejection efficiency of backgrounds events, like this improving the sensitivity of experiments. This paper reports on the production of radiopure and transparent PEN plates These structures can be used to mount germanium detectors operating in cryogenic liquids (LAr, LN). Thus, as first application PEN holders will be used to mount the Ge detectors in the Legend-200 experiment. The whole process from cleaning the raw material to testing the PEN active components under final operational conditions is reported.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Instrumentation
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2600/2610
Subjects:
?? DOUBLE-BETA DECAY DETECTORSGAMMA DETECTORS (SCINTILLATORS, CZT, HPGE, HGI ETC)SCINTILLATORS AND SCINTILLATING FIBRES AND LIGHT GUIDESSCINTILLATORS, SCINTILLATION AND LIGHT EMISSION PROCESSES (SOLID, GAS AND LIQUID SCINTILLATORS)CRYOGENICSETHYLENEGERMANIUM ??
ID Code:
165803
Deposited By:
Deposited On:
11 Feb 2022 09:30
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Sep 2023 04:40