Angular Yield of Both Proton Groups fromLi6(d,p)Li7

The simultaneous measurement of the intensities of two energy groups of product particles is accomplished by sorting out their proportional-counter pulses in an electronic ten-channel discriminator. The angular yields of protons leading to the ground state and to the 480-kev state of ${\mathrm{Li}}^7$ in the reaction ${\mathrm{Li}}^6\mathrm{}(d,p)\mathrm{}{\mathrm{Li}}^7$ have been measured at deuteron energies between 400 and 800 kev. At the higher bombarding energies the angular yields of the two groups are complex and somewhat similar, both containing terms at least as high as ${cos}^4\theta$. As the deuteron energy is reduced, the short-range group retains this complexity while the long-range group becomes more nearly spherically symmetric.