Phys. Rev. A 5, 821–837 (1972)Atomic Deuterium MaserReceived 21 July 1971; published in the issue dated February 1972 An atomic deuterium maser operating on hyperfine transitions was used to measure the ground-state hyperfine separation in deuterium. The result was ν0(D)=327 384 352.5222(17) Hz where the hydrogen hyperfine frequency is assumed to be exactly 1420 405 751. 768 Hz. The construction of the device is discussed and a theory of the deuterium maser is presented with special attention given to frequency shifts occurring in the output frequency. In addition, a possible shift of the deuteron Larmor frequency because of the earth's gravitational field was also investigated and found to be <10-4 Hz. © 1972 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.5.821
DOI:
10.1103/PhysRevA.5.821
PACS:
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