Fine Structure of the Hydrogen Atom. V

Phys. Rev. 89, 98 – Published 1 January 1953
Sol Triebwasser, Edward S. Dayhoff, and Willis E. Lamb, Jr.

Abstract

Improvements in apparatus and techniques of measurement of the 2S122-2P122 level shifts in hydrogen and deuterium are described. The more accurate results are SH=1057.77±0.10 Mc/sec and SD=1059.00±0.10 Mc/sec. These values are compared with results of quantum electrodynamic calculations.

The shape of the resonance curves has been examined in great detail and compared with theory. Assuming the theoretical value of the radiative width and hyperfine splittings, excellent agreement is obtained. Further, if only the radiative width is assumed, measurements on hydrogen reported here confirm theoretical hyperfine splittings to within 0.28 Mc/sec. Since contributions of the hyperfine structure of the 2S level have been measured to far greater accuracy, these results constitute a confirmation of the 2P hyperfine splittings to an accuracy of 1.0 percent.

DOI: http://dx.doi.org/10.1103/PhysRev.89.98

  • Received 15 September 1952
  • Published in the issue dated January 1953

© 1953 The American Physical Society

Authors & Affiliations

Sol Triebwasser*, Edward S. Dayhoff, and Willis E. Lamb, Jr.

  • Radiation Laboratory, Columbia University, New York, New York

  • *Present address: Watson Scientific Computing Laboratory, Columbia University, New York, New York.
  • Present address: National Bureau of Standards, Central Radio Propagation Laboratory, Microwave Standards Section, Washington, D. C.
  • Present address: Department of Physics, Stanford University, Stanford, California.

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