Phys. Rev. 104, 1585–1592 (1956)Hyperfine Structure of the Metastable Deuterium AtomReceived 12 September 1956; published in the issue dated December 1956 The hyperfine separation Δν(2S; D) of the metastable 22S1/2 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)=40924.439±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(1.0000342±0.0000006). Comparison of this value with the corresponding quantity for hydrogen, R(H)=1/8(1.0000346±0.0000003), 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
PACS:
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