Measurements of triple- and double-spin parameters in elastic p-p scattering at 6 GeV/c

Toward the goal of experimentally determining the p-p elastic-scattering amplitudes at 6 GeV/c, we have measured a number of triple- and double-spin correlation parameters over the Vertical BartVertical Bar range between 0.2 and 1.0 (GeV/c)/sup 2/. These new data permit the first nucleon-nucleon amplitude determination in the multi-GeV energy range. Polarized beams from the Argonne Zero Gradient Synchrotron and polarized targets were utilized. The polarization of the recoil proton was measured with a carbon polarimeter. A total of 14 different spin observables were measured (five spin transfer, four depolarization, and five triple-spin correlation parameters). These have been combined with earlier results, resulting in a data set of typically 30 measurements of 20 different spin observables for each of six Vertical BartVertical Bar values between 0.2 and 1.0 (GeV/c)/sup 2/. A solution for the amplitudes has been found at each Vertical BartVertical Bar, and comparisons are presented with several different models. The spin-nonflip helicity amplitudes are found to be much larger than the spin-flip amplitudes.