Proton Triton Interaction

A phase shift analysis of the Los Alamos data on $p-\mathrm{T}$ scattering for incident protons of 0.708 to 2.548 Mev is carried out using singlet and triplet $s$ and $p$ phase shifts. The large $p$ wave phase shifts obtained are shown to be consistent with the suggested ${}_{}{}^1{}_{}{}^{}P$ resonant level of the $\alpha$-particle. The effect of absorption associated with the $\mathrm{T}\mathrm{}(p,n)\mathrm{}{\mathrm{He}}^3$ reaction is taken into account by means of a schematic resonance model. A satisfactory fit is obtained with attractive singlet and triplet potentials of depths ∼46 Mev and ∼11 Mev, respectively. The singlet depth is chosen to give the observed bound state of the $\alpha$-particle.