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Abstract:
The DarkSide-50 was the first direct dark matter detection experiment using low-radioactive Ar extracted from underground sources as a target. The detector was on commissioning from 2013 to 2018. We successfully achieved background-free in all three WIMP analyses and paved the road for the next generation multi-ton scale Ar dark matter experiment. Meanwhile LZ is the largest liquid xenon dark matter experiment capable of reaching a wide range of physics. In this talk, I will first show you the final WIMP search results by DarkSide-50 published in 2018, followed by a discussion on a dangerous background that could have derailed the background-free goal. Then I will discuss the opportunities and challenge arise from the Coherent Elastic Neutrino-Nucleus Scattering (CEvNS) signal in liquid xenon experiments. Throughout the talk, I will make frequent comparisons between the Ar and Xe technologies as well as their long-term prospects.
Biography:
Xin was originally from Xi'an, China. Xin went to the University of California at Santa Barbara in 2009 and received his B.S. degree in physics (advisor: Benjamin Monreal) in 2013 with the highest honors. Xin then attended the Ph.D. program at Princeton University (advisor: Cristiano Galbiati, Peter Meyers) where he worked on the DarkSide-50 experiment from 2013 to 2018. Xin started as a Leon N Cooper Postdoctoral fellow at Brown University (PI: Richard Gaitskell) in October 2018 and has been working on the LUX-ZEPLIN experiment since then. In his leisure time, Xin enjoys watching and playing basketball.
Online meeting room: https://meeting.tencent.com/dm/n917zd8EKbqH (id:821107480 password: 123456)