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Intermediate Mass Fragment Emission in ${^{32}}$S +${^{51}}$V, ${^{109}}$Ag, and ${^{238}}$U Collisions at E~=~31.6~MeV~A

Intermediate mass fragment emission for reactions of $^{32}\text{S} +\,^{51}\text{V},\,^{109}$Ag, and $^{238}\text{U}$ has been studied. Double differential cross sections were analysed in terms of the generalised moving source model yielding charge distributions. Isotope ratios show strong fragment mass dependencies. The data were successfully reproduced by the coalescence model as well as by statistical multifragmentation model calculations. Quantum molecular dynamics model calculations were not so successful.