Predictions for some experimental physical observables in nucleus-nucleus collisions at RHIC energies are presented. I utilize the previous suggestion that the retarded, by time about 2-3 fm/c, jet absorption in opaque core is a natural explanation of many experimental data. This assumption is applied only to the particles with high transverse momentum above 4 GeV/c resulting from parton fragmentation. I calculate nuclear modification factor , in- and out of the reaction plane, azimuthal anisotropy parameter , jet suppression for the away side jet and its dependence versus the reaction plane orientation. The systems under consideration are Au+Au, Cu+Cu, at 200 GeV and 62 GeV. Most of numbers are predictions prior to the QM2006.

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