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Material radioassay and selection for the XENON1T dark matter experiment
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Number of Authors: 120
2017 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 77, no 12, 890Article in journal (Refereed) Published
Abstract [en]

The XENON1T dark matter experiment aims to detect weakly interactingmassive particles (WIMPs) through low-energy interactions with xenon atoms. To detect such a rare event necessitates the use of radiopure materials to minimize the number of background events within the expected WIMP signal region. In this paper we report the results of an extensive material radioassay campaign for the XENON1T experiment. Using gamma-ray spectroscopy and mass spectrometry techniques, systematic measurements of trace radioactive impurities in over one hundred samples within a wide range of materials were performed. The measured activities allowed for stringent selection and placement of materials during the detector construction phase and provided the input for XENON1T detection sensitivity estimates through Monte Carlo simulations.

Place, publisher, year, edition, pages
2017. Vol. 77, no 12, 890
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-150920DOI: 10.1140/epjc/s10052-017-5329-0ISI: 000418559000001OAI: oai:DiVA.org:su-150920DiVA: diva2:1172173
Available from: 2018-01-09 Created: 2018-01-09 Last updated: 2018-01-09Bibliographically approved

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Bauermeister, BorisCalvén, JakobConrad, JanFerella, Alfredo D.Pelssers, Bart
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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