Perturbed gamma-ray directional correlation studies on Hafnium-181 in aqueous solution
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Date
1979
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University of New Brunswick
Abstract
The directional correlation of hafnium-181 was studied. Area of concern was the perturbation of the directionally correlated gamma ray emission pattern of ha.fnii.im-181 in aqueous solutions whose pH ranged from less than 1 to more than 14. Graphs of the perturbation factor [G2 (T) ] versus time [in nanoseconds] were made and the time averaged perturbation factors were calculated.
For very acidic and very basic solutions, the perturbation was found to decrease exponentially with time. For solutions having intermediate pH values, the perturbation curve was found to asymptotically approach a set value of G2 (T) [=0.20] after an initial sharp drop.