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Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 109: Experimentelle Techniken der Astroteilchenphysik 2

T 109.3: Talk

Monday, March 4, 2013, 17:20–17:35, HSZ-101

The Gerda Phase II detector assembly — •Tobias Bode1, Bernhard Schwingenheuer2, and Stefan Schönert11Physik-Department E15, Technische Universität München, Germany — 2Max-Planck-Institut für Kernphysik, Heidelberg, Germany

Phase II of the Gerda (Germanium Detector Array) experiment will continue the search for the neutrinoless double beta decay (0νββ) of 76Ge. Prerequisites for Phase II are an increased target mass and a reduced background index of < 10−3 cts/(keV·kg·yr). Major hardware upgrades to achieve these requirements are scheduled for 2013. They include the deployment of a new radio pure low mass detector assembly. The structural properties of available radio pure materials and reduction of mass necessitate a change of the electrical contacting used to bias and read-out the detectors. The detector assembly design and the favored contacting solution will be presented. This work was in part funded by BMBF.

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