High precision measurements of the ground state hyperfine structure interval of muonium and of the muon magnetic moment

Authors
Liu, W Boshier, MG Dhawan, S van Dyck, O Egan, P Fei, X Perdekamp, MG Hughes, VW Janousch, M Jungmann, K Kawall, D Mariam, FG Pillai, C Prigl, R zu Putlitz, G Reinhard, I Schwarz, W Thompson, PA Woodle, KA
Citation
W. Liu et al., High precision measurements of the ground state hyperfine structure interval of muonium and of the muon magnetic moment, PHYS REV L, 82(4), 1999, pp. 711-714
Citations number
30
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
82
Issue
4
Year of publication
1999
Pages
711 - 714
Database
ISI
SICI code
0031-9007(19990125)82:4<711:HPMOTG>2.0.ZU;2-7
Abstract
High precision measurements of two Zeeman hyperfine transitions in the grou nd state of muonium in a strong magnetic field have been made at LAMPF usin g microwave magnetic resonance spectroscopy and a resonance line narrowing technique. These determine the most precise values of the ground state hype rfine structure interval of muonium Delta nu = 4463 302765(53) Hz (12 ppb), and of the ratio of magnetic moments mu(mu)/mu(p) = 3.183 34513(39) (120 p pb), representing a factor of 3 improvement. Values of the mass ratio m(mu) /m(e) and the fine structure constant alpha are derived from these results.