2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40187The pp polarization data confirm the presence of a diffractive-like (Pomeron) contribution in the spin-flip amplitude. The extrapolation to RHIC energies does not appear very promising.11 pages, 11 Encapsulated Postscript files, LaTeX2e used. Submitted to The European Physical Journal C - Particles and FieldsHigh Energy Physics - Phenomenologytext