期刊
EUROPEAN PHYSICAL JOURNAL C
卷 77, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-017-5329-0
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资金
- National Science Foundation
- Swiss National Science Foundation
- Deutsche Forschungsgemeinschaft
- Max Planck Gesellschaft
- German Ministry for Education and Research
- Netherlands Organisation for Scientific Research (NWO)
- Weizmann Institute of Science
- I-CORE
- Initial Training Network Invisibles (Marie Curie Actions) [PITNGA-2011-289442]
- Fundacao para a Ciencia e a Tecnologia
- Region des Pays de la Loire
- Knut and Alice Wallenberg Foundation
- Kavli Foundation
- Istituto Nazionale di Fisica Nucleare
- Laboratori Nazionali del Gran Sasso
- Direct For Mathematical & Physical Scien
- Division Of Physics [1413495, 1209979] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1413255] Funding Source: National Science Foundation
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.
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