activity
20192025
most citedPrecision measurement of the Lamb shift in Muonium

49 citations · 174 across the 12 of their papers we have counts for

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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-ph2023★ 8 cited

Pulsed CW laser for long-term spectroscopic measurements at high power in deep-UV

Nikita Zhadnov, Artem Golovizin, Irene Cortinovis +4

We present a novel technique for in-vacuum cavity-enhanced UV spectroscopy that allows nearly continuous measurements over several days, minimizing mirror degradation caused by hig…

physics.atom-ph2023★ 15 cited

Update of Muonium 1S-2S transition frequency

Irene Cortinovis, Ben Ohayon, Lucas de Sousa Borges +4

We present an updated value of the Muonium 1S-2S transition frequency, highlighting contributions from different QED corrections as well as the large uncertainty in the Dirac contr…

physics.atom-ph2022★ 14 cited

Measurement of the == transition in Muonium

G. Janka, B. Ohayon, I. Cortinovis +9

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 results at Fermilab on…

physics.atom-ph2021★ 13 cited

Muonium Lamb shift: theory update and experimental prospects

Gianluca Janka, Ben Ohayon, Paolo Crivelli

We review the theory of the Lamb shift for muonium, provide an updated numerical value and present the prospects of the Mu-MASS collaboration at PSI to improve upon their recent me…

physics.atom-ph2021★ 49 cited

Precision measurement of the Lamb shift in Muonium

B. Ohayon, G. Janka, I. Cortinovis +10

We report a new measurement of the Lamb shift in Muonium using microwave spectroscopy. Our result of MHz comprises an order of…