Title: Highly Sensitive Gamma-Spectrometers of GERDA for Material Screening: Part I
Authors: BUDJAS D.CATTADORI CGANGAPSHEV A.HAMPEL W.HEISEL M.HEUSSER G.HULT MIKAELKLIMENKO A.KUZMINOV V.LAUBENSTEIN M.MANESCHG W.NISI S.SCHOENERT S.SIMGEN H.SMOLNIKOV A.TOMEI C.DI VACRI A.VASILIEV S.ZUZEL G.
Citation: Proceedings of the 14th International Baksan School on Particles and Cosmology p. 228-232
Publisher: Institute for Nuclear Research of the Russian Academy of Sciences
Publication Year: 2008
JRC Publication N°: JRC42108
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC42108
Type: Contributions to Conferences
Abstract: The GERDA experiment aims to search for the neutrinoless double beta-decay of 76Ge and possibly for other rare processes. The sensitivity of the first phase is envisioned to be more than one order of magnitude better than in previous 0vßß-decay experiments. This implies that materials with ultra-low radioactive contamination need to be used for the construction of the detector and its shielding. Therefore the requirements on material screening include high-sensitivity low-background detection techniques and long measurement times. In this article, an overview of material-screening laboratories available to the GERDA collaboration is given, with emphasis on the gamma-spectrometry. Additionally, results of an intercomparison of the evaluation accuracy in these laboratories are presented.
JRC Institute:Institute for Reference Materials and Measurements

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