Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 91: Experimentelle Methoden der Astroteilchenphysik IV

T 91.5: Talk

Thursday, March 22, 2018, 17:30–17:45, Z6 - SR 2.011

Investigation of PEN as structural self vetoing material for cryogenic low background experiments — •Felix Fischer for the GERDA collaboration — Max-Planck-Institut für Physik, München, Deutschland

Polyethylene Naphthalate (PEN) has recently been shown to scintillate in the deep blue spectrum. It can be produced with high radiopurity which makes it suitable for a wide field of applications in low background experiments like the search for neutrinoless double-beta decay. It is known that some scintillators change in efficiency and behaviour when cooled down to cryogenic temperatures. In order to investigate whether PEN shows similar behaviour, an experiment has been designed and constructed at the Max-Planck-Institute for physics in Munich. First results of PEN properties at cryogenic temperatures will be shown.