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DTSTAMP:20250213T112915
DTSTART;TZID=America/Detroit:20250219T150000
DTEND;TZID=America/Detroit:20250219T160000
SUMMARY:Workshop / Seminar:Department Colloquium | Laser Spectroscopy of a Nucleus
DESCRIPTION:In 1976 Kroger and Reich established the existence of a low-lying nuclear excited state in ^{229}Th through the spectroscopy of rays emitted following the decay of ^{233}U. The prospects of a laser-accessible nuclear transition touched off a flurry of proposals to utilize this apparently unique nuclear transition as a sensitive probe of both nuclear structure and chemical environment\, to constrain physics beyond the Standard Model\, and to construct a clock with unprecedented performance. Unfortunately\, Kroger and Reich could only tell us that the transition energy was less than about 100 eV and therefore scientists have spent the intervening 48 years searching for the thorium nuclear transition. \n\nI’ll describe our efforts over the last 16 years to construct the first thorium-doped crystals and their use to perform nuclear laser spectroscopy\, resulting in a measurement of the nuclear transition energy as 8.355733(2)_{stat} (10)_{sys} eV in ^{229}Th:LiSrAlF_6 . I will also discuss recent work observing the nuclear transition in thin films of ^{229}ThF_4\; ongoing work to understand and harness the effect of the crystalline host on the isomeric transition\; and the next steps for using this transition to probe new physics and build better clocks. This work was funded by the NSF and ARO.
UID:132744-21871673@events.umich.edu
URL:https://events.umich.edu/event/132744
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Science,Physics
LOCATION:West Hall - 340
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250121T181532
DTSTART;TZID=America/Detroit:20250219T150000
DTEND;TZID=America/Detroit:20250219T170000
SUMMARY:Workshop / Seminar:Designing Blackness
DESCRIPTION:Join us for Designing Blackness\, a unique Black History Month workshop that bridges the worlds of gaming and diversity\, equity\, and inclusion (DEI). Led by Kishonna Gray\, professor in the U-M School of Information and expert in digital culture and DEI representation in gaming\, this session will dive into how Blackness is in gaming spaces. Participants will explore how gaming can serve as both a platform for expression and a tool for advancing DEI\, gaining insights into the power of representation and the opportunities to shape inclusive digital worlds.\nThis workshop is designed for University of Michigan master’s students\, doctoral students\, and postdoctoral fellows. For faculty and staff\, please contact rackhampdeworkshops@umich.edu to see if we can accommodate your attendance.\nRegistration is required at https://myumi.ch/AZneb.\nWe want to ensure full and equitable participation in our events. If an accommodation would promote your full participation in this event\, please follow the registration link to indicate your accommodation requirements. Please let us know as soon as possible in order to have adequate time\, preferably one week\, to arrange for your requested accommodations or an effective alternative.
UID:131536-21868734@events.umich.edu
URL:https://events.umich.edu/event/131536
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Graduate Students,Diversity
LOCATION:Rackham Graduate School (Horace H.)
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250212T122737
DTSTART;TZID=America/Detroit:20250219T150000
DTEND;TZID=America/Detroit:20250219T180000
SUMMARY:Social / Informal Gathering:Free Store by PBSL
DESCRIPTION:Join the Planet Blue Student Leaders\, and earn points for Zero Waste Week\, at our Free Store featuring clothing\, items\, and more!  Stay sustainable and bring home something new to you! Join us on the first floor of the Michigan Union in the Sophia B Jones room.
UID:132451-21870988@events.umich.edu
URL:https://events.umich.edu/event/132451
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:planet blue,Student Org,Sustainability,Environment,Free,In Person
LOCATION:Michigan Union - Sophia B Jones
CONTACT:
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