Usage of PEN as self-vetoing structural material in low background experiments

I. Abt, Y. Efremenko, M. Febbraro, F. Fischer, M. Guitart, K. Gusev, B. Hackett, C. Hayward, R. Hodák, P. Krause, B. Majorovits, L. Manzanillas, D. Muenstermann, R. Pjatkan, M. Pohl, R. Rouhana, D. Radford, E. Rukhadze, N. Rumyantseva, I. SchillingS. Schoenert, O. Schulz, M. Schwarz, M. Stommel, J. Weingarten

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

PEN is an industrial polyester plastic which has become interesting for the physics community as a new type of plastic scintillator. PEN scintillates in the blue regime, which is ideal for most photosensor devices. In addition, PEN has excellent mechanical properties and very good radiopurity has been achieved. Thus, it is an ideal candidate for active structural components in low-background experiments. One possible application are holders for germanium detectors operating in cryogenic liquids (LAr, LN2). Such structures can help to reject surface and external backgrounds, boosting the sensitivity of experiments. In this contribution, the R&D on PEN is outlined and an evaluation of the first production of PEN structures for the LEGEND-200 experiment is reported.

Original languageEnglish
Article number163
JournalProceedings of Science
Volume390
StatePublished - Apr 15 2021
Event40th International Conference on High Energy Physics, ICHEP 2020 - Virtual, Prague, Czech Republic
Duration: Jul 28 2020Aug 6 2020

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