Experiments with 315-Mev Polarized Protons: Proton-Proton and Proton-Neutron Scattering

The polarization in elastic $p-p$ and $p-n$ scattering at 315 Mev has been measured as a function of the scattering angle. The maximum polarization observed in each of these interactions is approximately 40 percent. A similar measurement of the polarization in $p-p$ scattering at 276 Mev is also reported. Triple-scattering experiments have been performed to measure the depolarization $D\left(\theta \right)$ and the rotation $R\left(\theta \right)$ in the proton-proton interaction. These parameters have been measured for center-of-mass scattering angles ranging from 22 to 80 degrees.