Abstract
Mott scattering was used to analyze the degree of longitudinal polarization of beta particles emitted from radioactive nuclei. The reliability of this method and the influences of the various systematic errors associated with this methed on the accuracy of the measurement were investigated in detail and are discussed. On the basis of a linear extrapolation of the inverse of the Mott asymmetry to zero scatterer thickness, the polarization of 194 kev electrons from Co/sup 60/ was found to be - (0.994 plus or minus 0.057) v/c with all known corrections applied. The effects of atomic screening and finite nuclear size were not included. Using the quoted value for the polarization measured in the pure Gamow-Teiler transition in Co/sup 60/ yields C/ sub A/ = (0.7 to 1.45)C/sub A/. ( auth)
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