Journal
ASTROPARTICLE PHYSICS
Volume 35, Issue 2, Pages 43-49Publisher
ELSEVIER
DOI: 10.1016/j.astropartphys.2011.06.001
Keywords
Dark matter; Material screening; Low activity; HPGe
Funding
- National Science Foundation [PHY-03-02646, PHY-04-00596]
- Department of Energy [DE-FG02-91ER40688]
- CAREER [PHY-0542066]
- Swiss National Foundation [20-118119, 20-126993]
- Volkswagen Foundation
- FCT [PTDC/FIS/100474/2008]
- Division Of Physics
- Direct For Mathematical & Physical Scien [0705337] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0904224] Funding Source: National Science Foundation
- Fundação para a Ciência e a Tecnologia [PTDC/FIS/100474/2008] Funding Source: FCT
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Results of the extensive radioactivity screening campaign to identify materials for the construction of XENON100 are reported. This dark matter search experiment is operated underground at Laboratori Nazionali del Gran Sasso (LNGS), Italy. Several ultra sensitive High Purity Germanium detectors (HPGe) have been used for gamma ray spectrometry. Mass spectrometry has been applied for a few low mass plastic samples. Detailed tables with the radioactive contaminations of all screened samples are presented, together with the implications for XENON100. (C) 2011 Elsevier B.V. All rights reserved.
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