2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46562We discuss the contribution of diffractive $Q \bar Q$ production to the longitudinal double-spin asymmetry in polarized deep--inelastic $lp$ scattering. We show the strong dependence of the $A_{ll}$ asymmetry on the pomeron spin structure.3 pages latex, 2 postscript figures; uses epsf, epsfig, wrapfig. To appear in the Proceedings of the 12th International Symposium on High-Energy Spin Physics Amsterdam Sept. 1996High Energy Physics - Phenomenologytext