SMuK 2023 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 114: Neutrinos V
T 114.1: Vortrag
Donnerstag, 23. März 2023, 15:50–16:05, POT/0051
Characterization of the ECHo-100k detector response — •Raghav Pandey1, Arnulf Barth1, Sebastian Berndt2, Holger Dorrer2, Christoph E. Düllmann2, Christian Enss1, Andreas Fleischmann1, Nina Kneip3, Federica Mantegazzini1, Klaus Wendt3, and Loredana Gastaldo1 — 1Kirchhoff Institute for Physics, Heidelberg University — 2Department of Chemistry - TRIGA Site, Johannes Gutenberg-Universität Mainz — 3Institute of Physics, Johannes Gutenberg-Universität Mainz
In the ECHo-100 experiment high energy resolution and high statistics Ho-163 electron capture spectra will be acquired with more than 10000 single detector pixels that fully enclose implanted Ho-163. A well-understood and reliable detector response is at the basis for a precise analysis of the spectral shape in the endpoint region around 2.8 keV. We present the results obtained with ECHo-100k detectors containing Ho-163. We discuss the shape of the acquired spectrum with respect to the spectrum acquired with ECHo-1k detectors and with the spectrum acquired with the same ECHo-100k detectors but consisting only of the lower half of the absorber, meaning without complete Ho-163 enclosure.