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The target-like C-yield in the decay of compound systems 32S* and 31P* formed in 20Ne+12C and 19F+12C reactions at E*CN=60 MeV, is studied for the contribution of fusion-fission (ff) decay cross section σff and the deep inelastic (DI) orbiting σorb from the compound nucleus (CN) and non-compound nucleus nCN processes, respectively. The calculations are performed using the collective clusterization of fragments within the dynamical cluster-decay model (DCM) of Gupta and collaborators. Besides studying the competition between ff and DI orbiting phenomenon in the C-yield of these systems, we exclusively investigate the preformation and barrier penetration probabilities P0 and P as a function of angular momentum ℓ values which subsequently affects the contributions of σff and σorb. For calculating the contribution of σff in the C-yield, we have added the contributions from all the minimized intermediate mass fragments (IMFs) for Z=6 in the calculated fragmentation potentials for 32S* (IMFs 11,12,13C are minimized) and for 31P* (IMFs 12,13C are minimized), while calculating subsequently, P0 and the P for these IMFs. The distribution of preformed clusters/fragments as a function of fragment mass visibly explore the nuclear structure effects for the C-yield in decay of these compound systems, wherein, it is shown to be more favoured in the decay of 31P* in comparison to 32S* decay. The contribution of σorb to the C-yield is calculated from P at different allowed ℓ-values (upto ℓmax and also P≤1) of the outgoing fragments (same as that in the entrance channel, i.e., P0=1). Though preliminary but useful results indicates the competition between the CN and nCN process in the C-yield for the compound system 32S* only while the decay of 31P* is of pure CN origin, as observed in the experimental study. The calculations are in good comparison with the available experimental data

epj web of conferences

Dynamical decay of32S* and31P* formed in20Ne+12C and19F+12C reactions, respectively, atE*CN= 60 MeV