Contains reports on two research projects

Bitter, F.

Lacey, R. F.

Richter, B.

Sagalyn, P. L.

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VII. MAGNET LABORATORY RESEARCHProf. F. Bitter H. H. Plotkin J. R. StanleyN. I. Adams III B. Richter T. F. WimettR. F. Lacey P. L. Sagalyn A. W. WinstonA. THE QUADRUPOLE MOMENT OF SODIUMThe first determination of the quadrupole moment of Na 2 3 by the measurement ofthe intervals F = 3 to F = 2, and F = 2 to F = 1 for the excited 2 P3/2 state, has beencompleted. The double resonance method previously described was used. The result- 2 4  2is Q = +1.0 + 0. 08 X 10 cm . A detailed report is being prepared for publication.P. L. SagalynB. NUCLEAR ORIENTATION IN Hg VAPORAn investigation of the polarization of the resonance radiation from a sample ofmercury vapor enriched in Hg 2 0 4 and another sample enriched in Hg 19 9 (both of whichwere supplied by the Atomic Energy Commission) indicates that the cause for the pre-viously reported failure (F. Bitter, J. Brossel: Phys. Rev. 85, 1051, 1952) to obtainnuclear orientation by the absorption of circularly polarized resonance radiation, is theimprisonment and consequent depolarization of the effective component. Present indi-cations are that further attempts should make use of vapor pressures of the order of-610 - 6 mm Hg. A report on this work is being prepared for publication.F. Bitter, R. F. Lacey, B. Richter-23-

Magnet Laboratory Research

http://dspace.mit.edu/bitstream/1721.1/51061/1/RLE_QPR_027_VII.pdf

Magnet Laboratory Research

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