Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session A01: DAMOP Prize Session - Ramsey Prize Winner & Allis Prize Winner
8:00 AM–10:15 AM,
Tuesday, June 4, 2024
Room: Ballroom B
Chair: Ana Rey, University of Colorado, Boulder
Abstract: A01.00002 : Ramsey Prize Talk: Searching for the Electric Dipole Moment of the Electron: Ramsey, ACME and the future*
8:15 AM–8:45 AM
Presenter:
John M Doyle
(Harvard University)
Author:
John M Doyle
(Harvard University)
Collaboration:
I gratefully acknowledge all of the members of the ACME teams.
I will give a brief description of ACME, which twice improved by x10 the limit on the electron EDM. Combining a (then) new type of radical molecule cold beam source with high precision laser quantum state preparation and readout of spin-precession, ACME brought together new methods and the molecular beam approach pioneered by Ramsey. Impacts of our EDM limits on the understanding of particle physics will be presented. I will give an overview of the directions the field of EDM searches is taking, including the laser cooling of molecules and use of new species to reach the PeV mass range for BSM particles with CP-v interactions. Finally, I will discuss polyatomic molecules, which have rich quantum state structures that are useful for precision measurement.
*We acknowledge funding from NSF, Sloan, Moore, Templeton and the DOE SQMS Center.
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