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Bochum 2018 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 52: Poster

HK 52.22: Poster

Thursday, March 1, 2018, 16:30–18:45, Audimax Foyer

Detector for a Measurement of Shape Factors in Beta Decay — •Karina Bernert1, Thierry Lasserre2, Bastian Märkisch1, Christoph Roick1, Heiko Saul1, and Stefan Schönert11Physik Department, Technische Universität München, 85748 Garching b. München, Germany — 2Institute of Research into the Fundamental Laws of the Universe, French Alternative Energies and Atomic Commission, 25 rue Leblanc, 75015 Paris, France

The search for a sterile neutrino, a viable candidate for dark matter, requires an improved understanding of the shape factors of non-unique forbidden beta decays. We present the design of a scintillation detector read out by mesh type photomultiplier tubes. It will be used in the PERKEO III spectrometer, which was initially developed for neutron beta decay, to measure electron spectra of various beta decays with high precision. We show the progress in designing the light guide form that yields the optimal performance with simulations using Geant4, and present a way of calibrating the detector with sufficient precision.

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