Who Has Seen The WIMP? Neither You Nor I

Daniel McKinsey (UC Berkeley)
Event Date and Time: 
Thu, 2017-02-02 14:00 - 15:00
TRIUMF Auditorium

The LUX (Large Underground Xenon) experiment is designed for the direct detection of dark matter particles via their collisions with xenon nuclei. This two-phase xenon time-projection chamber has now completed operations deep underground on the 4850 foot level of the Sanford Underground Research Facility in Lead, South Dakota. Results will be presented from the 2013-2016 dark matter search data sets, as well from several novel detector calibrations using tritium, radioactive krypton, and monoenergetic neutrons from a deuterium-deuterium neutron generator. The LUX results are inconsistent with the low-mass WIMP signal interpretations of data from several recent direct detection experiments, and at 50 GeV c-2 exclude WIMP-nucleon spin-independent cross sections above 1.1x10-46 cm2. This talk will provide an overview of the LUX experiment, focusing on the most recent science results, and describe the upcoming LUX-ZEPLIN experiment, which is currently under construction.

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