Quantum Logic Spectroscopy of an Electron and Positron for Precise Tests of the Standard Model
arXiv:2502.14157 · doi:10.1103/PhysRevA.111.042806
Abstract
We propose a scheme for quantum logic spectroscopy of an electron or positron in a Penning trap. An electron or positron in a spectroscopy trap is coupled to a remote logic electron or positron via a wire to achieve motional entanglement. By separating the two traps, one can significantly improve magnetic field homogeneity, microwave characteristics, and detection sensitivity. The proposed scheme will improve the measurement precision of the electron's and positron's magnetic moments and charge-to-mass ratios, enabling precise tests of the Standard Model of particle physics.
arXiv comment8 pages, 4 figures
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