GeMSE: A new Low-Background Facility for Meteorite and Material Screening
M. von Sivers, B. A. Hofmann, {\AA}. V. Ros\'en, M. Schumann
TL;DR
GeMSE is a newly established low-background gamma-ray spectrometry facility designed for material screening in dark matter experiments and meteorite analysis, featuring advanced shielding and muon-veto in an underground lab.
Contribution
This paper introduces the design and setup of the GeMSE facility, a novel low-background gamma-ray spectrometry system for specialized scientific applications.
Findings
Expected background rate of ~250 counts/day
Facility will be operational by fall 2015
Located in a 620 m.w.e. underground laboratory
Abstract
We are currently setting up a facility for low-background gamma-ray spectrometry based on a HPGe detector. It is dedicated to material screening for the XENON and DARWIN dark matter projects as well as to the characterization of meteorites. The detector will be installed in a medium depth (620 m.w.e.) underground laboratory in Switzerland with several layers of shielding and an active muon-veto. The GeMSE facility will be operational by fall 2015 with an expected background rate of 250 counts/day (100-2700 keV).
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