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Dark matter remains a fundamental mystery in particle physics, and extensive efforts have been made to detect it in labs. In this talk, I will summarize the recent progress in sub-GeV dark matter detection with semiconductors and introduce our new idea to probe sub-MeV dark matter with doped semiconductors. I will also discuss the origin of the unexplored backgrounds in current detectors and demonstrate our dual-sided CCD design can significantly reduce some those backgrounds.
Biography:
Peizhi Du is currently a postdoc at Rutgers University since 2022. He received his PhD from University of Maryland in 2019 and then moved to Stony Brook University for his first postdoc position (2019-2022). His research focuses on theoretical particle physics and cosmology, including dark matter direct detection, constraining new physics in astrophysics and cosmology, and cosmological phase transitions.
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Prof. Jia Liu