Longitudinal momentum distributions of heavy-ion fragments in peripheral reaction

The kinematical two-body fragmentation model is generalized to multibody fragmentation. Comparison with statistical model is given and possible experiments to distinguish the two models are suggested.

NUCLEAR REACTIONS ${}_{}{}^{12}{}_{}{}^{}\mathrm{C}$, ${}_{}{}^{16}{}_{}{}^{}\mathrm{O}$, ${}_{}{}^{40}{}_{}{}^{}\mathrm{Ar}$ beam fragmentation, $p=1,2\mathrm{}$ GeV/nucleon, target independent momentum distribution, fragment mass dependence, extension of pseudo-two-body.