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Measurement of the 1s-2s energy interval in muonium

Abstract:
The 1s-2s interval has been measured in the muonium ({$\mu^+e^-$}) atom by Doppler-free two-photon laser spectroscopy. The frequency separation of the states was determined to be 2 455 528 941.0(9.8) MHz in good agreement with quantum electrodynamics. The muon-electron mass ratio can be extracted and is found to be 206.768 38(17). The result may be interpreted as measurement of the muon-electron charge ratio as $-1- 1.1(2.1)\cdot 10^{-9}$.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevLett.84.1136

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Journal:
Phys.Rev.Lett. More from this journal
Volume:
84
Issue:
6
Pages:
1136
Publication date:
1999-07-12
DOI:
EISSN:
1079-7114
ISSN:
0031-9007


Language:
English
Keywords:
Pubs id:
pubs:159432
UUID:
uuid:962b000a-31dd-4f94-94f8-f08d581ec476
Local pid:
pubs:159432
Source identifiers:
159432
Deposit date:
2013-11-16

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