The intense peak observed in the spectra of the ${}_{}{}^{208}{}_{}{}^{}\mathrm{Pb}({}_{}{}^3{}_{}{}^{}\mathrm{He}, d){}_{}{}^{209}{}_{}{}^{}\mathrm{Bi}$ reaction at an excitation energy of 4.42 MeV has given rise to two conflicting interpretations, neither of which has satisfactorily explained its intensity. In the present work a resolution of 16 keV was obtained for the (${}_{}{}^3{}_{}{}^{}\mathrm{He}$, $d$) reaction and the peak was resolved and shown to be a doublet with the intensity ratio 3:1. A possible interpretation of this doublet is discussed.

• Received 17 August 1970

DOI:https://doi.org/10.1103/PhysRevC.2.2450