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DTSTART;TZID=America/Los_Angeles:20180427T120000
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SUMMARY:Dan Dwyer (LBNL) - Demonstration of a true 3D micro-power sensor for liquid argon time projection chambers
DESCRIPTION:Time projection chambers (TPCs) based on the ionization of cryogenic liquids are a prominent tool for neutrino oscillation\, neutrinoless double beta decay\, and dark matter experiments. Over the past two years I have pursued the development of a novel charge readout sensor providing true 3D imaging of particle interactions in large-scale liquid argon TPCs. The sensor must meet stringent requirements on noise (<600 electron)\, power (<100 microwatts per channel)\, and scalability (digital multiplexing of 100\,000 channels per square meter)\, all at cryogenic temperatures. Such a scalable 3D micro-power sensor would enable operation of liquid argon TPCs in high-occupancy environments\, such as the near detector site of the Deep Underground Neutrino Experiment (DUNE). I will present my recent mad dash to a successful demonstration of 3D micro-power imaging of particle tracks in liquid argon\, and discuss what worked and what didn’t work along the way. I will also discuss the potential impact on upcoming neutrino measurements.
URL:https://inpa.lbl.gov/event/dan-dwyer-lbnl-tba-dune-upgrade-tpc-readout/
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