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Title: Measurement of the muonium 1S-2S transition frequency

Resonant ionization spectroscopy has been employed for measuring the 1{sup 2}S1/2-2{sup 2}S1/2 frequency difference in the hydrogen-like muonium atom to 2 455 529 002(33)(46) MHz. The 1S-2S two-photon transition was induced Doppler-free using two counter-propagating laser beams. The 2S state was photo-ionized by a third photon from the same laser field. The measurement agrees with QED theory within two standard deviations. The mass of the positive muon can be extracted from the isotope shifts in this transition to hydrogen and deuterium to 105.658 80(29)(43) MeV/c{sup 2}.
Authors:
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  1. Physikalisches Institut, Universitaet Heidelberg, D-69120 Heidelberg (Germany) and Department of Physics, University of Oxford, Oxford OX1 3PU (United Kingdom)
  2. (United Kingdom) and Physics Department, Yale University, New Haven, Connecticut 06511 (United States)
  3. (United Kingdom)
  4. (United States)
  5. (Germany)
  6. (United Kingdom) (and others)
Publication Date:
OSTI Identifier:
21153688
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 329; Journal Issue: 1; Conference: 7. international symposium on resonance ionization spectroscopy, Bernkastel-Kues (Germany), 3-8 Jul 1994; Other Information: DOI: 10.1063/1.47610; (c) 1995 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; DEUTERIUM; FREQUENCY MEASUREMENT; IONIZATION; LASER RADIATION; MEV RANGE; MHZ RANGE; MUONIC ATOMS; MUONIUM; MUONS PLUS; PHOTOIONIZATION; PHOTONS; REST MASS; S STATES; SPECTRAL SHIFT; SPECTROSCOPY