Abstract
The spin-flip probability for scattering protons inelastically to produce the first excited states in and has been measured at proton energies of 15.9 and 17.5 MeV using the deexcitation rays emitted perpendicular to the scattering plane. The carbon results agree with previous measurements in the same proton energy region. The measured inelastic spin-flip probability on sulfur is higher than that reported for any other nucleus, exceeding a peak value of 0.5. A collective distorted-wave Born-approximation analysis employing the full Thomas spin-orbit interaction was carried out. Poor fits are obtained for the spin-flip-probability data when the depth and range of the spin-orbit optical potential are determined from elastic polarization data.
- Received 21 May 1971
DOI:https://doi.org/10.1103/PhysRevC.4.1103
©1971 American Physical Society