Pulsed laser spectroscopy in muonium and deuterium

V. Meyer,S.N. Bagayev,P.E.G. Baird, P. Bakule,M.G. Boshier, A. Breitrück,S.L. Cornish, S. Dychkov,G.H. Eaton,A. Grossmann,D. Hübl,V.W. Hughes,K. Jungmann, I.C. Lane,Yi Wei Liu,D. Lucas, Y. Matyugin,J. Merkel,G. zu Putlitz, I. Reinhard, P.G.H. Sandars,R. Santra, P. Schmidt,C.A. Scott,W.T. Toner,M. Towrie, K. Träger,L. Willmann, V. Yakhontov

Hyperfine Interactions（2000）

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摘要

The 1s–2s energy interval in the muonium (μ + e − ) atom has been measured by Doppler free two photon laser spectroscopy. A value of 2455528941.0(9.8) MHz has been obtained in good agreement with quantum electrodynamics (QED). The muon-electron mass ratio can be extracted and is found to be 206.76838(17). The measurement may also be interpreted as a determination of the muon-electron charge ratio as -1- 1.1(2.1)· 10 −9 . Corresponding measurements in deuterium using the same experimental setup confirmed the validity of the applied analysis procedure.

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关键词

muonium,1s–2s energy interval,Lamb shift,high precision spectroscopy,muon–electron mass ratio,charge equality,isotope shift

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