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Phys. Rev. 104, 1585 - 1592 (1956)

Hyperfine Structure of the Metastable Deuterium Atom

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Haskell A. Reich *, Juergen W. Heberle †, and P. Kusch
Columbia Radiation Laboratory, Columbia University, New York, New York

Received 12 September 1956

The hyperfine separation Δν(2S; D) of the metastable 2 2S1 / 2 state of the deuterium atom has been measured by an atomic-beam magnetic-resonance method that has been described previously. We found that Δν(2S; D)=40 924.439±0.020 kc/sec. From this result and the ground-state separation Δν(1S; D) we obtain R(D)≡Δν(2S; D) / Δν(1S; D)=1 / 8(1.000 034 2±0.000 000 6). Comparison of this value with the corresponding quantity for hydrogen, R(H)=1 / 8(1.000 034 6±0.000 000 3), confirms within experimental error the theoretical prediction that R(D)=R(H).


©1956 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRev.104.1585
DOI: 10.1103/PhysRev.104.1585

* Present address: IBM Watson Laboratory, Columbia University, New York 25, New York.
† Present address: Department of Physics, Yale University, New Haven, Connecticut.

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