In the present work, the onset and strength of incomplete fusion were
studied in terms of various entrance channel parameters. Excitation functions for individual evaporation residues were measured in the 12C+169Tm
system at energies from 5 to 7.5 A MeV, and analysed in the framework of
the statistical model code PACE-IV to deduce the fraction of incomplete
fusion. It was found that the probability of incomplete fusion increases
with the incident energy as well as with the mass asymmetry of interacting
partners for individual projectiles. Moreover, the critical value of the input
angular momentum (`crit) obtained from the experimental cross sections
was compared with that calculated using the Wilczyński formula and a
slight difference has been found.
