In their theory of a y angular correlations, Rose and Brink leave the relative sign of different partial wave5 in a-capture undetermined. Some confusion has arisen in the experimental literature where the sign has also been considered as somewhat arbitrary for a-decay. We derive an explicit relation between these two processes and show how the above sign may easily be fixed by considering the simpler problem of a-decay of a deformed nucleus polarized in a strong magnetic field. We discuss the anisotropy of the angular distribution for this latter problem. N Rowley et al J,=J, a) ncapture J dn:-.

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