Momentum transfer in the reactions of 25-GeVC12and 28-GeVH1with Cu

The thick-target, thick-catcher technique has been used to determine mean kinetic properties of selected products of the fragmentation of Cu by 25-GeV ${}_{}{}^{12}{}_{}{}^{}\mathrm{C}$ ions and 28-GeV ${}_{}{}^1{}_{}{}^{}\mathrm{H}$. Recoil properties of target fragments vary strongly with product mass, but show only a weak dependence on projectile type which is interpreted as indicating small deviations from the limiting fragmentation hypothesis for 2-GeV/nucleon ${}_{}{}^{12}{}_{}{}^{}\mathrm{C}$ ions.