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Quantum sensors for rare-event searches: the eyes do more than see

Watanabe 112

Speakers: Peter Sorensen (Lawrence Berkeley National Laboratory) I will discuss recent results from PandaX, XENONnT and LZ, with an emphasis on the effect of instrumental backgrounds on the recent physics searches. I will then discuss recent results from the TESSERACT Collaboration, again emphasizing the effect of instrumental backgrounds and the so-called low-energy excess (LEE). I ... Read more

Weak Supervision for RFI Mitigation in 21-cm Cosmology

Room 112 (Watanabe Hall)

Speakers: Dr Shawn Dubey Detecting the redshifted 21-cm signal from the early universe requires separating an extremely faint cosmological signal from bright foreground emission and terrestrial radio-frequency interference (RFI), but flagging RFI is a big challenge. I will describe our use of weak supervision, a method that combines multiple imperfect flaggers to construct training labels ... Read more