Formation of the Muonic Helium Atom, αμ-e-, and Observation of Its Larmor Precession

P. A. Souder, D. E. Casperson, T. W. Crane, V. W. Hughes, D. C. Lu, H. Orth, H. W. Reist, M. H. Yam, G. Zu Putlitz

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Abstract

The muonic helium atom, αμ-e-, has been formed by stopping polarized negative muons in He gas at 14 atm with a Xe admixture of 2%, and observed through its characteristic Larmor precession frequency of 1.4 MHz/G. In addition a nonzero residual polarization of P=0.06±0.01 for μ- stopped in pure He gas has been measured for the first time, which corresponds to a depolarization factor of 18±3.

Original languageEnglish (US)
Pages (from-to)1417-1420
Number of pages4
JournalPhysical Review Letters
Volume34
Issue number23
DOIs
StatePublished - Jan 1 1975
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Souder, P. A., Casperson, D. E., Crane, T. W., Hughes, V. W., Lu, D. C., Orth, H., Reist, H. W., Yam, M. H., & Zu Putlitz, G. (1975). Formation of the Muonic Helium Atom, αμ-e-, and Observation of Its Larmor Precession. Physical Review Letters, 34(23), 1417-1420. https://doi.org/10.1103/PhysRevLett.34.1417