Highly Sensitive Gamma-Spectrometers of GERDA for Material Screening: Part I
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.
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.;
2009-06-29
Institute for Nuclear Research of the Russian Academy of Sciences
JRC42108
https://publications.jrc.ec.europa.eu/repository/handle/JRC42108,
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