Extension of Proton-Deuteron Phase-Shift Analysis to E_p = 22.7 MeV and ~4P_J Phase Shifts

摘要

A previously reported proton-deuteron phase-shift analysis has been extended by more than a factor of two to a proton energy of E_p = 22.7 MeV. Three-nucleon phase-shift and mixing parameters calculated with the Argonne v_(18) nucleon-nucleon potential for proton-deuteron and deuteron-proton elastic scattering were used as starting values. It was found that the experimental ~4P_J three-nucleon phase shifts are at variance with the calculated ones throughout the entire energy range investigated and do not approach the theoretical values at higher energies.