A complete set of polarization transfer observables was measured for inclusive 500 MeV proton scattering from , Ca(nat.), and Pb(nat.) at =18.5° (q=1.75 ). The excitation energy ranged over the entire quasielastic peak from 20 to 100 MeV. Longitudinal and transverse spin-flip probabilities were extracted from the data. These have simple model-dependent connections to the spin-longitudinal and transverse response functions for the heavy targets. Detailed analysis of the data reveals no evidence for collective enhancement in the spin-longitudinal response function. The relation of this analysis to the interpretation of the European Muon Collaboration effect in terms of excess pions is discussed in detail.
- Received 13 January 1986
- Published in the issue dated August 1986
© 1986 The American Physical Society