Material screening and selection for XENON100
XENON100 Collaboration: E. Aprile, K. Arisaka, F. Arneodo, A. Askin,, L. Baudis, A. Behrens, K. Bokeloh, E. Brown, J.M.R. Cardoso, B. Choi, D., Cline, S. Fattori, A.D. Ferella, K.L. Giboni, A. Kish, C.W. Lam, J. Lamblin,, R.F. Lang, K.E. Lim, J.A.M. Lopes, T. Marrodan Undagoitia
TL;DR
This paper reports on the comprehensive screening of materials for the XENON100 dark matter detector, identifying low-radioactivity components to minimize background noise in underground experiments.
Contribution
It provides a detailed radioactive contamination database for materials used in XENON100, aiding in material selection for low-background dark matter detection.
Findings
Identification of ultra low-radioactivity materials
Quantitative contamination levels for various samples
Implications for background reduction in XENON100
Abstract
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.
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