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          Institute: MPI für Kernphysik     Collection: Neutrino Physics     Display Documents

ID: 293438.1, MPI für Kernphysik / Neutrino Physics
A Comparison of Low-level Gamma-spectrometers within
the GERDA Collaboration
Authors:Budjas, D.; Heisel, M.; Hult, M.; Klimenko, A.; Laubenstein, M.; Lindahl, P.; Simgen, H.; Smolnikov, A.; Vasiliev, S.; Tomei, C.
Publisher:American Institute of Physics
Date of Publication (YYYY-MM-DD):2006-10-01
Title of Proceedings:Topical workshop on low radioactivity techniques: LRT 2006
Start Page:26
End Page:31
Title of Series:AIP Conference Proceedings
Volume (in Series):897
Name of Conference/Meeting:2nd Topical Workshop in Low Radioactivity Techniques
Place of Conference/Meeting:Aussois, France
(Start) Date of Conference/Meeting
End Date of Conference/Meeting 
Review Status:not specified
Audience:Experts Only
Abstract / Description:In low-level gamma spectrometry, one of the main goals is the improvement of detection sensitivity. However, ensuring the accuracy and compatibility of the measurement results in different laboratories is also very important. This has been particularly highlighted within the GERDA collaboration, which incorporates several low-level material screening laboratories. For this reason a comparison of gamma-spectrometers situated at MPIK Heidelberg, IRMM Geel, LNGS Assergi and JINR Dubna was performed. This comparison was based on the National Physical Laboratory's "Environmental Radioactivity Comparison 2005" exercise, in which MPIK Heidelberg and IRMM Geel participated. The exercise allowed comparing the accuracy of the measurements and the different evaluation techniques between many low-level laboratories, using the same standard mixture of low-radioactivity nuclides. The results of the internal comparison are presented and discussed, as well as the implementation of the Monte-Carlo simulations in the evaluation of our measurements.
External Publication Status:published
Document Type:Conference-Paper
Affiliations:MPI für Kernphysik/Group of M. Lindner
External Affiliations:EC-JRC-Institute for Reference Materials and Measurements, Retieseweg 111, B-2440 Geel, Belgium
Joint Institute for Nuclear Research, 141980 Dubna, Russia
Institute for Nuclear Research, 117312 Moscow, Russia
Laboratori Nazionali del Gran Sasso, SS 17 bis Km18+910, I-67010 Assergi (AQ), Italy
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