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Phys. Rev. 158, 14–17 (1967)

Hyperfine Separation of Tritium

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B. S. Mathur*, S. B. Crampton†, D. Kleppner‡, and N. F. Ramsey
Department of Physics, Harvard University, Cambridge, Massachusetts

Received 9 January 1967; published in the issue dated June 1967

The hyperfine separation of tritium has been measured with respect to the hyperfine separation of hydrogen by comparing the frequency of the tritium maser with that of a hydrogen maser. The result is Δν(T)=1516701470.8087±0.0071 Hz, where it is assumed that Δν(H)=1420405751.8 Hz. Wall shifts were measured for tritium and hydrogen for FEP Teflon at 35°C. For a spherical bulb, d cm in diameter, the fractional wall shift for hydrogen is -(3.61±0.54)×10-10/d, and for tritium it is -(3.14±0.47)×10-10/d.

© 1967 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRev.158.14
DOI:
10.1103/PhysRev.158.14
PACS:

*Present address: Department of Physics, Columbia University, New York, New York.

†Present address: Department of Physics, Williams College, Williamstown, Massachusetts.

‡Alfred P. Sloan Foundation Fellow, 1962-1966. Present address: Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts.

 
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