[Seminars] FW: [physcolloqadmin] Physics Colloquium Thursday April 14, 2022 with Vladan Vuletić at 3:30pm CDT in KPTC 106 & via zoom

[Ramona Echols]

 Hi All,
Please post and distribute in your area.

Regards,
Tiffany








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The University of Chicago

Physics Department

Colloquium


Search for Dark Matter with Atomic Precision Spectroscopy


[cid:2af3303f-fc1e-4048-91fe-04f7b354e9cc]


Vladan Vuletić

MIT



3:30pm CDT

Thursday, April 14, 2022

In-person: KPTC 106



ZOOM Link:

https://uchicagogroup.zoom.us/j/96367028599?pwd=VU9nOHZ1YW1hUnZGVXNPTVBhOWdkdz09<https://urldefense.com/v3/__https:/uchicagogroup.zoom.us/j/96367028599?pwd=VU9nOHZ1YW1hUnZGVXNPTVBhOWdkdz09__;!!BpyFHLRN4TMTrA!tt_kV2_FH9A631m17zfQHAyPu9DvDkxCiPRRA50o-8NkWhd6H2b5zfkWBTtv0kSZXw$>




The Standard Model of particle physics describes virtually all measurements of elementary particles exquisitely well, and yet various astrophysical evidence points to new physics beyond the Standard Model. Recently it has been proposed to search for particles outside the Standard Model in an intermediate mass range (100 eV to 100 MeV) by means of precision isotope shift spectroscopy on narrow optical transitions. The exquisite precision of optical spectroscopy thus allows one to access high-energy physics with experiments at the eV scale. We report nonlinearities in so-called King plots of measured isotope shifts for trapped Yb+ ions. Such nonlinearities can indicate physics beyond the Standard Model or be due to higher-order nuclear effects within the Standard Model. We also discuss how future more precise measurements on more transitions, in combination with improved atomic-structure calculations, can be used to distinguish between effects within and outside the Standard Model.




*************************************************
Tiffany Kurns, Undergraduate Affairs Administrator
Department of Physics, Instructional Services Office
Phone: 773-702-7019

Schedule appointment(in-person or zoom) here<https://urldefense.com/v3/__https:/calendly.com/tkurns__;!!BpyFHLRN4TMTrA!s-OxfdfrVVjbkmZk8Qs1lzsLhIQJmKARl74EaLKPAkJKhyGGVRoI2qKrn0ikIYWybXiorQ$>

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