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DTSTART;TZID=Europe/Madrid:20261001T120000
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DTSTAMP:20260917T122140Z
CREATED:20260911T094745Z
LAST-MODIFIED:20260917T122140Z
UID:2938-1790856000-1790863200@capa.unizar.es
SUMMARY:Seminario de Temas Actuales-Dark Matter: The LUX-ZEPLIN experiment and an intriguing new dark matter search result
DESCRIPTION:Abstract: The nature of dark matter remains one of the biggest mysteries in modern science. With plenty of different possible candidates and a wide mass range\, Weakly Interactive Massive Particles (WIMPs) usually rises as one of the most promising candidates. The direct detection experiment LUX-ZEPLIN (LZ) primarily searches for WIMPs using 7 tonnes of active liquid xenon at the Sanford Underground Research Facility (South Dakota). With this technology\, LZ has demonstrated world-leading sensitivity to a wide range of dark matter models. A new analysis from LZ searching for effective field theory and inelastic models of dark matter identifies a single nuclear recoil candidate at 248 keV\, in tension with the background-only hypothesis at a global significance of 2.6σ. Whilst this is far from constituting a detection\, the event is nevertheless intriguing. In this seminar\, I will give an overview of the analysis\, discuss the relevant high-energy backgrounds\, and explore the wider implications of the event for dark matter searches. I will also introduce how the LZ detector works and highlight some of the other experiment’s most recent results\, including the observation of solar neutrinos through Coherent Elastic neutrino-Nucleus Scattering and our latest search for more conventional WIMPs. \nAlberto Usón\, Institute for Particle and Nuclear Physics at the School of Physics and Astronomy\, University of Edinburgh
URL:https://capa.unizar.es/event/seminario-de-temas-actuales-dark-matter/
LOCATION:Seminario de Física Nuclear\, Facultad de Ciencias\, Zaragoza\, Spain
CATEGORIES:Seminarios
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