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Colloquium Speaker: Ryan Wang (University of Michigan)

April 14 @ 3:45 pm - 4:45 pm

Speaker: Ryan Wang (University of Michigan)

Title: Hunting for the Invisible Deep Underground

Abstract: In the past decades, physicists have been working deep underground to

solve the mystery of the universe. The “invisible matter” which can penetrate through almost everything constitutes 27% of the energy content of the Universe. This strange and unknown matter called “dark matter” (DM), has been confirmed by astrophysical and cosmological evidence. Many hypotheses have been proposed to explain the nature of dark matter, among those, Weakly Interacting Massive Particles (WIMPs) are the most promising candidate. Physicists have been utilizing different techniques to detect dark matter. Among those techniques, liquid noble gases have been extensively used for direct dark matter searches and neutrino physics. In this talk, I will introduce the evidence of dark matter and different techniques being used, summarizing the techniques of liquid noble gas dark matter detector and my involvement in the first/second generation of the dark matter detector. The latest progress on the construction of the LUX-ZEPLIN (LZ) detector at the Sanford Underground Research Facility (SURF) will be presented. The commissioning of the LZ detector is expected later this year, the projected sensitivity will be presented in this talk as well.

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April 14
3:45 pm - 4:45 pm
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Karen Lynn