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Methods, Analysis, and the Treatment of Systematic Errors for the Electron Electric Dipole Moment Search in Thorium Monoxide
ACME Collaboration, Jacob Baron, Wes C. Campbell +15
We recently set a new limit on the electric dipole moment of the electron (eEDM) (J. Baron et al., ACME collaboration, Science 343 (2014), 269-272), which represented an order-of-m…
Engineering Large Stark Shifts for Control of Individual Clock State Qubits
Aaron C. Lee, Jacob Smith, Philip Richerme +4
In quantum information science, the external control of qubits must be balanced with the extreme isolation of the qubits from the environment. Atomic qubit systems typically mitiga…
STIRAP preparation of a coherent superposition of ThO states for an improved electron EDM measurement
C. D. Panda, B. R. O'Leary, A. D. West +9
Experimental searches for the electron electric dipole moment (EDM) probe new physics beyond the Standard Model. The current best EDM limit was set by the ACME Collaboration [Scien…
Zeeman interaction in ThO for the electron EDM search
A. N. Petrov, L. V. Skripnikov, A. V. Titov +7
The current limit on the electron's electric dipole moment, (90% confidence), was set using the molecule thorium monoxide (T…
Order of Magnitude Smaller Limit on the Electric Dipole Moment of the Electron
ACME Collaboration, Jacob Baron, Wesley C. Campbell +15
The Standard Model (SM) of particle physics fails to explain dark matter and why matter survived annihilation with antimatter following the Big Bang. Extensions to the SM, such as…
Advanced Cold Molecule Electron EDM
ACME Collaboration, Wesley C. Campbell, Cheong Chan +11
Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |d_e| < 1.05 e -27 e cm would be an indication…
Shot-noise-limited spin measurements in a pulsed molecular beam
E. Kirilov, W. C. Campbell, J. M. Doyle +9
Heavy diatomic molecules have been identified as good candidates for use in electron electric dipole moment (eEDM) searches. Suitable molecular species can be produced in pulsed be…
A cryogenic beam of refractory, chemically reactive molecules with expansion cooling
Nicholas R. Hutzler, Maxwell Parsons, Yulia V. Gurevich +7
Cryogenically cooled buffer gas beam sources of the molecule thorium monoxide (ThO) are optimized and characterized. Both helium and neon buffer gas sources are shown to produce Th…