1. Monte Carlo simulation of background components in low level Germanium spectrometry.
- Author
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Ackermann, Nicola, Bonet, Hannes, Buck, Christian, Chkvorets, Oleg, Hakenmüller, Janina, Heusser, Gerd, Laubenstein, Matthias, Lindner, Manfred, Maneschg, Werner, Schreiner, Jochen, and Strecker, Herbert
- Subjects
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MONTE Carlo method , *GERMANIUM , *SPECTROMETRY - Abstract
This proceeding presents the decomposition of the background spectra of the four screening detectors GeMPI 1 - 4 at the Gran Sasso Underground Laboratory (LNGS) using Monte Carlo simulations in the Geant4-based framework MaGe. A detailed understanding of the composition of the background spectra was achieved, allowing for the proposal of two new shield designs for future GeMPI-like detectors and enabling a reduction of the integrated background count rate to 15 counts/d/kg in the interval [40, 2700] keV. • GeMPI detectors are the most sensitive Germanium spectrometers in the world. • Background spectrum of the GeMPI detectors has been fully decomposed and understood through Monte Carlo simulations. • Pb210 in the lead shield of the detectors is the most prominent source of background. • Two new shield designs are proposed to reduce the background level and increase the sensitivity of the GeMPI detectors. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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