Abstract
Recent experimental reesults for p-/sup 4/He elastic scattering at 1 GeV are in fair agreement with the previous Saclay data, and also with the effective channel approach calculation, while a recent multiple diffraction analysis has found the N* effect important near the first diffraction minimum. In view of these, we comment on the role of the N* and other rearrangement channels within the effective channel approach, and show that the effective channel approach contains these effects collectively. The nonorthogonality and double-counting problems are discussed.
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