Cross Section and Angular Distributions of the (d, p) and (d, n) Reactions inC12from 1.8 to 6.1 Mev

The reaction ${\mathrm{C}}^{12}(d, p){\mathrm{C}}^{13}$ has been studied from a deuteron bombarding energy of 1.8 to 6.1 Mev. Resonances were found at 2.47, 2.67, 2.99, 3.39, 4.00, 4.6, 4.8, 5.34, and 5.64 Mev. Angular distributions of protons leaving ${\mathrm{C}}^{13}$ in the ground state show a pronounced Butler peak at 25° over the entire deuteron energy range. The angular distributions can be explained by assuming small amplitudes for compound nucleus formation interfering with large stripping amplitudes. Angular distributions of the lower energy group of protons leaving ${\mathrm{C}}^{13}$ excited to 3.09 Mev show a pronounced Butler peak at 0° and an even smaller contribution of compound nucleus formation. The reaction ${\mathrm{C}}^{12}(d, n){\mathrm{N}}^{13}$ was also studied, and showed similar resonances and angular distributions. An analysis is made of the phase difference between the resonant and nonresonant parts of the cross section for the ($d, p$) reaction near the resonance at 4.00 Mev.