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
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1 event,Speakers: Dr Shawn Dubey (Brown University) Machine Learning (ML) has advanced rapidly over the past decade, transforming the way data-intensive sciences are conducted. High energy physics is distinctive among the physical sciences in its early adoption and deployment of new AI/ML methods, driven by extreme data volumes, complex event structures, and stringent real-time constraints. In ... Read more |
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1 event,Speakers: Prof. Yangheng Zheng (Chinese Academy of Sciences) Using a sensitive detection system developed by the MigdAl pRocess Validation by nEutruaL scattering (MERVEL) collaboration team, which combines a micropattern gasous detector with a semiconductor pixel readout chip, the apparatus effectively functions as a camera capable of imaging the single‑atom electron‑emission process. Using neutron–nucleus scattering, the team made ... Read more |
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Speakers: Asst. Prof. Niels Bidault (University of Hawaii at Manoa) The electron beam linear accelerator (linac) at the Free Electron Laser (FEL) Laboratory at the University of Hawai‘i at Mānoa is currently undergoing recommissioning. The facility was originally installed and operated under the direction of Prof. John Madey, pioneer of FEL science. The accelerator provides ... Read more |
1 event,Speakers: Prof. Pearl Sandick (University of Utah) https://indico.phys.hawaii.edu/event/2660/ |
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1 event,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 |
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1 event,Speakers: Dr Andrej Seljak (Jozef Stefan Institute) https://indico.phys.hawaii.edu/event/2807/ |
1 event,Speakers: Tongyan Lin (University of California, San Diego) Stellar streams are a promising way to probe the gravitational effects of low-mass dark matter (DM) subhalos. In recent years, there has been a remarkable explosion in the number of stellar streams detected in the Milky Way, and hundreds more may be discovered with future surveys such ... Read more |
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