Journal
PHYSICAL REVIEW LETTERS
Volume 126, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.126.091301
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Funding
- National Science Foundation
- Swiss National Science Foundation
- German Ministry for Education and Research
- Max Planck Gesellschaft
- Deutsche Forschungsgemeinschaft
- Helmholtz Association
- Netherlands Organisation for Scientific Research (NWO)
- Weizmann Institute of Science
- ISF
- Fundacao para a Ciencia e a Tecnologia
- Rgion des Pays de la Loire
- Knut and Alice Wallenberg Foundation
- Kavli Foundation
- JSPS Kakenhi in Japan
- Istituto Nazionale di Fisica Nucleare
- European Union [690575, 674896]
- Laboratori Nazionali del Gran Sasso
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In this study, researchers report on their search for nuclear recoil signals from solar B-8 neutrinos elastically scattering off xenon nuclei in XENON1T data, lowering the energy threshold and developing novel techniques to limit background interference. No significant B-8 neutrino-like excess was found in the exposure, but the study did help improve constraints on dark matter-nucleus interactions for dark matter masses between 3 and 11 GeV c(-2) by as much as an order of magnitude.
We report on a search for nuclear recoil signals from solar B-8 neutrinos elastically scattering off xenon nuclei in XENON1T data, lowering the energy threshold from 2.6 to 1.6 keV. We develop a variety of novel techniques to limit the resulting increase in backgrounds near the threshold. No significant B-8 neutrinolike excess is found in an exposure of 0.6 t x y. For the first time, we use the nondetection of solar neutrinos to constrain the light yield from 1-2 keV nuclear recoils in liquid xenon, as well as nonstandard neutrino-quark interactions. Finally, we improve upon world-leading constraints on dark matter-nucleus interactions for dark matter masses between 3 and 11 GeV c(-2) by as much as an order of magnitude.
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