High-precision structural studies of the antiprotonic helium atom [Formula Presented] by observing laser resonances with Δv=Δ(n-l-1)=2

T. Yamazaki, E. Widmann, J. Eades, M. Kumakura, N. Morita, H. A. Torii, M. Hori, T. Ishikawa, F. E. Maas, H. Tamura, R. S. Hayano, I. Sugai, Y. Fujita, B. Ketzer, H. Daniel, F. J. Hartmann, M. Hasinoff, R. Pohl, R. Schmidt, T. von EgidyD. Horváth

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37 Citations (Scopus)

Abstract

Very weak laser resonances of unfavored transitions (n,l)→(n+1,l-1) have been observed in metastable [Formula Presented] atoms by using a pulsed antiproton beam. The observed wavelengths (713.578±0.006 nm for l=34 and 726.095±0.004 nm for l=35), as well as those of the known favoured transitions, are to a few ppm accounted for by a recent variational calculation of Korobov [Phys. Rev. A 54, R1749 (1996); and (unpublished)] which includes the relativistic correction to the motion of the electron.

Original languageEnglish
Pages (from-to)R3295-R3298
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume55
Issue number5
DOIs
Publication statusPublished - 1997

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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