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Meyer V, Bagayev SN, Baird PE, et al. Measurement of the 1s-2s energy interval in muonium. Phys Rev Lett. 2000;84(6):1136-9doi: 10.1103/PhysRevLett.84.1136.
Meyer, V., Bagayev, S. N., Baird, P. E., Bakule, P., Boshier, M. G., Breitruck, A., Cornish, S. L., Dychkov, S., Eaton, G. H., Grossmann, A., Hubl, D., Hughes, V. W., Jungmann, K., Lane, I. C., Liu, Y. W., Lucas, D., Matyugin, Y., Merkel, J., zu Putlitz G, Reinhard, I., Sandars, P. G., Santra, R., Schmidt, P. V., Scott, C. A., Toner, W. T., & Towrie, M. (2000). Measurement of the 1s-2s energy interval in muonium. Physical review letters, 84(6), 1136-9. https://doi.org/10.1103/PhysRevLett.84.1136
Meyer, et al. "Measurement of the 1s-2s energy interval in muonium." Physical review letters vol. 84,6 (2000): 1136-9. doi: https://doi.org/10.1103/PhysRevLett.84.1136
Meyer V, Bagayev SN, Baird PE, Bakule P, Boshier MG, Breitruck A, Cornish SL, Dychkov S, Eaton GH, Grossmann A, Hubl D, Hughes VW, Jungmann K, Lane IC, Liu YW, Lucas D, Matyugin Y, Merkel J, zu Putlitz G, Reinhard I, Sandars PG, Santra R, Schmidt PV, Scott CA, Toner WT, Towrie M. Measurement of the 1s-2s energy interval in muonium. Phys Rev Lett. 2000 Feb 07;84(6):1136-9. doi: 10.1103/PhysRevLett.84.1136. PMID: 11017462.
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Phys Rev Lett. 2000 Feb 07;84(6):1136-9. doi: 10.1103/PhysRevLett.84.1136.

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

Physical review letters

Meyer, Bagayev, Baird, Bakule, Boshier, Breitruck, Cornish, Dychkov, Eaton, Grossmann, Hubl, Hughes, Jungmann, Lane, Liu, Lucas, Matyugin, Merkel, zu Putlitz G, Reinhard, Sandars, Santra, Schmidt, Scott, Toner, Towrie

Affiliations

  1. Physikalisches Institut der Universitat Heidelberg, D-69120 Heidelberg, Germany.

PMID: 11017462 DOI: 10.1103/PhysRevLett.84.1136

Abstract

The 1s-2s interval has been measured in the muonium (&mgr;(+)e(-)) atom by Doppler-free two-photon pulsed 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 result may be interpreted as a measurement of the muon-electron charge ratio as -1-1.1(2.1)x10(-9). We expect significantly higher accuracy at future high flux muon sources and from cw laser technology.

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