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Mainz 2014 – scientific programme

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T: Fachverband Teilchenphysik

T 18: Niederenergie-Neutrinophysik 1

T 18.1: Talk

Monday, March 24, 2014, 11:00–11:15, P106

Pulse shape studies with ultra high purity point contact detectors — •Alexander Hegai — Eberhard Karls Universität Tübingen

For the search of the neutrinoless double beta decay the Majorana collaboration, with funding support from DOE Office of Nuclear Physics and NSF Particle Astrophysics, is constructing the Demonstrator, an array consisting of 40 kg of p-type point-contact high-purity germanium (HPGe) detectors, of which ∼30 kg will be enriched to 87% in 76Ge. The enriched detectors are produced by ORTEC and are made out of ultra pure material which gives the advantage of a low depletion voltage but influences the pulse shape properties. In this talk detailed pulse shape studies of the new type of germanium detectors will be presented.

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