Abstract
Energy spectra and angular distributions of projectile-like fragments, ranging from {sup 7}Be to {sup 18}O, have been measured for the 120 MeV {sup 19}F+{sup 64}Ni reaction. Experimental evidence is given for the presence of two dissipative components attributed, on the basis of optimum {ital Q} values, to incomplete fusion and deep-inelastic collision mechanisms. Measured {ital Q}-value spectra show the dominance of the incomplete fusion mechanism in N and O isotopes production, while deep-inelastic collisions increase with the charge transfer. Furthermore, angular distributions and optimum {ital Q} values display larger relative contributions of incomplete fusion with respect to deep inelastic collisions for heavier isotopes of each {ital Z}. An incomplete fusion model reproduces the cross sections for most of the channels where this mechanism is prevalent. An attempt to include deep inelastic mechanisms in the same model is presented.
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