Abstract:

Dark matter is one of the most mysterious objects in the Universe. Its nature is still not yet understood despite decades of research. Large underground detectors made significant progresses in recent years to push the sensitivity for dark matter detection. In particular, the XENON1T experiment with the world’s first ton-scale liquid xenon time projection chamber, located at Gran Sasso Underground Laboratory in Italy, is leading the frontier of heavy dark matter searches. Recently, the experiment also reported new constraints for light (sub-GeV) dark matter interactions with ordinary matter. In this talk, I will review these recent results and also present new efforts, including XENONnT, LBECA, DARWIN experiments that will continue to search for heavy and light dark matter particles with unprecedented sensitivity in the next decade.

CV:  

Kaixuan Ni（倪凯旋）is currently an associate professor of physics at University of California San Diego (UCSD). He obtained his BS degree from Peking University and PhD from Columbia University, and worked on several dark matter search experiments including XENON10, XENON100, PandaX-I/II and XENON1T at Yale, Columbia, Shanghai Jiao Tong University and UCSD. His research interest centers on experimental dark matter detection and neutrino-less double beta decay searches. He is currently working on the next generation dark matter search experiments XENONnT, LBECA and DARWIN.