Higher Precision Measurement of the hfs Interval of Muonium and of the Muon Magnetic Moment

New higher precision measurements of the hyperfine Zeeman transitions in the ground state of muonium have been performed with use of the high--stopping-density surface ..mu../sup +/ beam at the Clinton P. Anderson Meson Physics Facility. The results are ..delta nu.. = 4 463 302.88(16) kHz (0.036 ppm...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1982-10, Vol.49 (14), p.993-996
Hauptverfasser:	Mariam, F. G., Beer, W., Bolton, P. R., Egan, P. O., Gardner, C. J., Hughes, V. W., Lu, D. C., Souder, P. A., Orth, H., Vetter, J., Moser, U., Putlitz, G. zu
Format:	Artikel
Sprache:	eng
Schlagworte:	640303 - Atomic, Molecular & Chemical Physics- Positronium, Muonium, & Muonic & Mesic Atoms & Molecules ACCURACY ATOMIC AND MOLECULAR PHYSICS BEAMS CORRELATIONS DATA ENERGY LEVELS EXPERIMENTAL DATA GROUND STATES HYPERFINE STRUCTURE INFORMATION MUONIUM NUMERICAL DATA THEORETICAL DATA ZEEMAN EFFECT
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Zusammenfassung:	New higher precision measurements of the hyperfine Zeeman transitions in the ground state of muonium have been performed with use of the high--stopping-density surface ..mu../sup +/ beam at the Clinton P. Anderson Meson Physics Facility. The results are ..delta nu.. = 4 463 302.88(16) kHz (0.036 ppm) and ..mu../sub ..mu..//..mu../sub p/ = 3.183 346 1(11) (0.36 ppm). The current theoretical value of ..delta nu.. agrees well with experiment within the 0.77-ppm error ..delta nu../sub theor/, which is due principally to inaccuracy in evaluation of nonrecoil radiative correction term. The most precise current value of m/sub ..mu..//m/sub e/ is obtained from our value of ..mu../sub ..mu..//..mu../sub p/.
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.49.993