Abstract
OBSERVATIONS by Rose and Wilson1 in the reaction 10B(n,α′)7*Li(γ)7Li and by Littauer2 in 7Li(p,p′) 7*Li(γ)7Li have shown that the 480-keV. gamma ray is emitted isotropically in these reactions. In the former experiment the yield of radiation was measured relative to the direction of emission of the short-range alpha particle. In the latter case it was determined with respect to the incident proton. These observations constitute strong evidence that the spin of the 480-keV. state is ½, although in both cases the lack of a correlation could arise from other special circumstances. Accordingly, we have looked for a correlation between the short-range proton and the gamma-ray in the 6Li(d,p′)7*Li(γ)7Li reaction.
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Rose, B., and Wilson, A. R. W., Phys. Rev., 78, 68 (1950).
Littauer, R. M., Proc. Phys. Soc., A, 63, 294 (1950).
This instrument, built specifically for separating the lithium isotopes, follows the design of Smythe, Rumbaugh and West, Phys. Rev., 45, 724 (1934).
Littauer, R. M., Rev. Sci. Inst., 21, 750 (1950).
Whaling, W., and Bonner, T. W., Phys. Rev., 79, 258 (1950). Krone, Hanna and Inglis, Phys. Rev., 80, 603 (1950).
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CLASS, C., HANNA, S. The Lithium-7 Nucleus. Nature 168, 429 (1951). https://doi.org/10.1038/168429a0
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DOI: https://doi.org/10.1038/168429a0
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