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DTSTART:20230101T000000
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DTSTART;TZID=UTC:20230302T160000
DTEND;TZID=UTC:20230302T170000
DTSTAMP:20260418T144641
CREATED:20230208T204530Z
LAST-MODIFIED:20230301T100602Z
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SUMMARY:SPEAKER: John Groh (NIST)- TITLE: Pointing Superconductors at the Sky: Towards new fundamental physics through precision cosmic microwave background measurements
DESCRIPTION:This is an In-Person Event \nLocation: Sessler Conference Room – 50A-5-5132 \nTitle: Pointing Superconductors at the Sky: Towards new fundamental physics through precision cosmic microwave background measurements \nAbstract: The cosmic microwave background is an incredible tool for probing fundamental physics\, both as a snapshot of the early universe and as a backlight to subsequent cosmic evolution. The next generation of observatories will cross several important qualitative thresholds for characterizing possible cosmic inflation mechanisms and neutrino masses while also constraining dark energy\, light relic particles\, and modified gravity. To make these measurements\, these observatories will require at least an order of magnitude improvement in both sensitivity and size\, presenting significant instrumentation challenges. In this talk\, I will discuss key technology advances leading to more capable instruments\, focusing on highly multiplexed readout of the increasingly large cryogenic sensor arrays. I will also describe work incorporating novel instrumentation technologies into a new microwave observatory – the Simons Array – and commissioning it at its observing site in the Chilean Atacama. Not only are these developments enabling new physics and cosmology measurements through the Simons Array\, SPT-3G\, the Simons Observatory\, and AliCPT experiments\, but they are also building technological readiness as the field prepares for CMB-S4. \nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/98854322464?pwd=K2tKUm1VZjRlV1J5RHE3cXdHQzRxdz09 \nMeeting ID: 988 5432 2464\nPasscode: 142239 \n 
URL:https://rpm.physics.lbl.gov/event/speaker-john-groh-nist-title-pointing-superconductors-at-the-sky-towards-new-fundamental-physics-through-precision-cosmic-microwave-background-measurements/
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