3 papers
physics.atom-ph2025
Precision continuous-wave laser measurement of the interval in positronium
Lucas de Sousa Borges, Edward Thorpe-Woods, Evans Javary +1
We report a 4.9\,ppb measurement of the positronium interval using continuous-wave two-photon laser spec…
physics.atom-ph2025
Microwave Spectroscopy of the Muonium Fine Structure Interval
Philipp Blumer, Gianluca Janka, Svenja Geissmann +8
We report a microwave spectroscopy measurement of the muonium fine structure transition, yielding a transition frequency of , in ag…
physics.atom-ph2024
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium
Evans Javary, Edward Thorpe-Woods, Irene Cortinovis +3
Positronium and muonium, as purely leptonic atoms without internal structure, provide ideal systems for high-precision tests of quantum electrodynamics (QED) and measurements of fu…