Abstract
THE exceptionally small natural line-widths obtainable with the magnetic resonance absorption method1,2 or nuclear induction method3,4 makes these methods suitable for precision measurements of nuclear magnetic moments. We have constructed an apparatus for this purpose, and have paid special attention to the problem of getting a magnetic field which fulfils the rather extreme requirements of field homogeneity. In this case it was also important that the homogeneity was of such an extension that two different probes could be investigated at the same time on two different places in the field. The pole-pieces of the magnet were 30 cm. in diameter, separated by spacers 4·2 cm. apart. Both the pole-pieces and the spacers were polished optically flat, so that the air gap was the same within 1 µ everywhere.
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SIEGBAHN, K., LINDSTRÖM, G. Magnetic Moments of Deuterium-2, Lithium-7 and Fluorine-19. Nature 163, 211 (1949). https://doi.org/10.1038/163211a0
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DOI: https://doi.org/10.1038/163211a0
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