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|Title:||Highly Sensitive Gamma-Spectrometers of GERDA for Material Screening: Part I|
|Authors:||BUDJAS D.; CATTADORI C; GANGAPSHEV A.; HAMPEL W.; HEISEL M.; HEUSSER G.; HULT MIKAEL; KLIMENKO 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|
|Type:||Articles in periodicals and books|
|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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