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DTSTAMP:20250401T073847
DTSTART;TZID=America/Detroit:20250409T150000
DTEND;TZID=America/Detroit:20250409T160000
SUMMARY:Workshop / Seminar:Department Colloquium | Hunting for Ghosts with Rare Isotope Doped Advanced Sensors
DESCRIPTION:Nuclear beta and electron capture (EC) decay serve as sensitive probes of the structure and symmetries at the microscopic scale of our Universe. As such\, precision measurements of the final-state products in these processes can be used as powerful laboratories to search for new physics from the meV to TeV scale\, as well as addressing fundamental questions of quantum mechanics at the subatomic scale. Significant advances in “rare isotope” availability and quality\, coupled with decades of sensing technique development from the AMO community have led us into a new era of fundamental tests of nature using unstable nuclei. For the past few years\, we have taken the approach of embedding radioisotopes in thin-film superconducting tunnel junctions (STJs) to precisely measure the recoiling atom that gets an eV-scale “kick” from the neutrino following EC decay. These recoils are encoded with the fundamental quantum information of the neutrino and decay process\, as well as carrying unique signatures of weakly coupled beyond standard model (BSM) physics\; including neutrino mass\, exotic weak currents\, and potential “dark” particles created within the energy-window of the decay. These measurements provide a complimentary and (crucially) model-independent portal to the dark sector with sensitivities that push towards synergy between laboratory and cosmological probes. In this talk\, I will discuss the broad program we have developed to provide leading limits in these areas as well as the technological advances across several sub-disciplines of science required to enable this work\, including subatomic physics\, quantum engineering\, atomic theory\, and materials science. Finally\, I will discuss future prospects of extending this work using macroscopic amounts of harvested exotic atoms from the Facility for Rare Isotope Beams (FRIB) in optically levitated nanospheres for direct momentum measurements of the decay recoils.
UID:134545-21874474@events.umich.edu
URL:https://events.umich.edu/event/134545
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Science,Physics
LOCATION:West Hall - 340
CONTACT:
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DTSTAMP:20250416T153949
DTSTART;TZID=America/Detroit:20250409T150000
DTEND;TZID=America/Detroit:20250409T160000
SUMMARY:Social / Informal Gathering:IOE Coffee Chats
DESCRIPTION:Join the Institute for Operations Research and the Management Sciences (INFORMS) and the Human Factors and Ergonomics Society (HFES) student orgs for coffee and conversation every Wednesday from 3-4 p.m. in the IOE Community Suite.
UID:133245-21872642@events.umich.edu
URL:https://events.umich.edu/event/133245
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Graduate Students,North campus,Michigan Engineering,Industrial And Operations Engineering,Human Factors And Ergonomics Society,Hfes,Graduate and Professional Students,Graduate,Free,Food,Ergonomics
LOCATION:Industrial and Operations Engineering Building - Community Suite
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250116T115602
DTSTART;TZID=America/Detroit:20250409T150000
DTEND;TZID=America/Detroit:20250409T160000
SUMMARY:Recreational / Games:Schokoladenstunde
DESCRIPTION:Convenes on Wednesdays\, 3-4 p.m. in 3110 MLB. There will be some German chocolate to snack on. Silvia Grzeskowiak (sgrzesko@umich.edu) will bring games\, and the hour will be spent chatting and playing games in German (e.g. Tabu.)
UID:131292-21868133@events.umich.edu
URL:https://events.umich.edu/event/131292
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Games,Germanic Languages And Literatures,German Studies,German
LOCATION:Modern Languages Building - 3110
CONTACT:
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