Measurement of the transition frequency from 2S_1/2, F = 0 to 2P_1/2, F = 1 states in Muonium.

ABSTRACT: Muons are puzzling physicists since their discovery when they were first thought to be the meson predicted by Yukawa to mediate the strong force. The recent result at Fermilab on the muon g-2 anomaly puts the muonic sector once more under the spotlight and calls for further measurements with this particle. Here, we present the results of the measurement of the 2S_1/2, F = 0 → 2P_1/2, F = 1 transition in Muonium. The measured value of 580.6(6.8) MHz is in agreement with the theoretical calculations. A value of the Lamb shift of 1045.5(6.8) MHz is extracted, compatible with previous experiments. We also determine the 2S hyperfine splitting in Muonium to be 559.6(7.2) MHz. The measured transition being isolated from the other hyperfine levels holds the promise to provide a

SUBMITTER: Janka G 

PROVIDER: S-EPMC9700798 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature