PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Neutrino Physics
Usage of PEN as self-vetoing structural material in low background experiments
L. Manzanillas,* I. Abt, Y. Efremenko, M. Febbraro, F. Fischer, M. Guitart, K. Gusev, B. Hackett, C. Hayward, R. Hodák, P. Krause, B. Majorovits, D. Muenstermann, R. Pjatkan, M. Pohl, R. Rouhana, D.C. Radford, E. Rukhadze, N. Rumyantseva, I. Schilling, S. Schoenert, O. Schultz, M. Schwartz, M. Stommel, J. Weingarten
*corresponding author
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Pre-published on: January 29, 2021
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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.
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