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SUMMARY:Search for Dark Matter Interactions in an Extended Recoil Energy W
 indow with the LUX-ZEPLIN Experiment
DTSTART:20261203T200000Z
DTEND:20261203T220000Z
DTSTAMP:20261112T190300Z
UID:indico-event-34340@indico.bnl.gov
DESCRIPTION:Speakers: Jui-Jen (Ryan) Wang (University of Alabama)\n\nThe L
 UX-ZEPLIN (LZ) experiment is a dual-phase xenon time projection chamber op
 erating nearly a mile underground at the Sanford Underground Research Faci
 lity. With 7 tonnes of liquid xenon and multiple active veto systems\, LZ 
 has achieved world-leading sensitivity to Weakly Interacting Massive Parti
 cles (WIMPs). Beyond standard spin-independent and spin-dependent interact
 ions\, non-relativistic effective field theory predicts dark matter intera
 ctions that can produce nuclear recoils at substantially higher energies. 
 In this talk\, I will present a recent LZ search extending the nuclear-rec
 oil window to approximately 270 keV using a 2.84 tonne-year exposure. The 
 analysis observed a single event consistent with a 248 keV nuclear recoil\
 , in tension with the background-only model at a global significance of 2.
 6σ. I will discuss the analysis\, the checks performed to scrutinize this
  event\, and the dark matter models tested in this search.\n\n\n\n\n \n\n
 \n\n\n\nhttps://indico.bnl.gov/event/34340/
LOCATION:Small Seminar Room (Building 510)
URL:https://indico.bnl.gov/event/34340/
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