Hyperfine Separation of Tritium

B. S. Mathur; S. B. Crampton; D. Kleppner; N. F. Ramsey

doi:10.1103/PhysRev.158.14

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Hyperfine Separation of Tritium

B. S. Mathur^*, S. B. Crampton^†, D. Kleppner^‡, and N. F. Ramsey

Department of Physics, Harvard University, Cambridge, Massachusetts

^*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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Phys. Rev. 158, 14 – Published 5 June, 1967

DOI: https://doi.org/10.1103/PhysRev.158.14

Abstract

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 $Δ ν (T) = 1 516 701 470.8087 \pm 0.0071$ Hz, where it is assumed that $Δ ν (H) = 1 420 405 751.8$ 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 $- (3.61 \pm 0.54) \times \frac{10^{- 10}}{d}$ , and for tritium it is $- (3.14 \pm 0.47) \times \frac{10^{- 10}}{d}$ .

References (11)

H. M. Goldenberg, D. Kleppner, and N. F. Ramsey, Phys. Rev. Letters 5, 361 (1960)
D. Kleppner, H. M. Goldenberg, and N. F. Ramsey, Phys. Rev. 126, 603 (1962)
D. Kleppner, H. C. Berg, S. B. Crampton, N. F. Ramsey, R. F. C. Vessot, H. E. Peters, and J. Vanier, Phys. Rev. 138, A972 (1965)
B. S. Mathur, thesis, Harvard University, 1965 (unpublished)
S. B. Crampton, thesis, Harvard University, 1964 (unpublished)
S. B. Crampton, D. Kleppner, and N. F. Ramsey, Phys. Rev. Letters 11, 338 (1963)
R. Beehler et al., IEEE (correspondence) 54, 301 (1966)
F. M. Pipkin and R. H. Lambert, Phys. Rev. 127, 787 (1962)
S. B. Crampton, H. G. Robinson, D. Kleppner, and N. F. Ramsey, Phys. Rev. 141, 55 (1966)
L. W. Anderson, F. M. Pipkin, and J. C. Baird, Jr., Phys. Rev. 120, 1279 (1960) ibid.121, 1864 (1961) ibid.121, 1962 (1961)
Jacques Vanier, Varian Laboratories (private communication)

[c1] H. M. Goldenberg, D. Kleppner, and N. F. Ramsey, Phys. Rev. Letters 5, 361 (1960)

[c2] D. Kleppner, H. M. Goldenberg, and N. F. Ramsey, Phys. Rev. 126, 603 (1962)

[c3] D. Kleppner, H. C. Berg, S. B. Crampton, N. F. Ramsey, R. F. C. Vessot, H. E. Peters, and J. Vanier, Phys. Rev. 138, A972 (1965)

[c4] B. S. Mathur, thesis, Harvard University, 1965 (unpublished)

[c5] S. B. Crampton, thesis, Harvard University, 1964 (unpublished)

[c6] S. B. Crampton, D. Kleppner, and N. F. Ramsey, Phys. Rev. Letters 11, 338 (1963)

[c7] R. Beehler et al., IEEE (correspondence) 54, 301 (1966)

[c8] F. M. Pipkin and R. H. Lambert, Phys. Rev. 127, 787 (1962)

[c9] S. B. Crampton, H. G. Robinson, D. Kleppner, and N. F. Ramsey, Phys. Rev. 141, 55 (1966)

[c10] L. W. Anderson, F. M. Pipkin, and J. C. Baird, Jr., Phys. Rev. 120, 1279 (1960) ibid.121, 1864 (1961) ibid.121, 1962 (1961)

[c11] Jacques Vanier, Varian Laboratories (private communication)

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Hyperfine Separation of Tritium

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