EPJ Web of Conferences
Volume 86, 2015VI International Conference FUSION14
|Number of page(s)||4|
|Published online||29 January 2015|
Effect of the Target Deformation on Incomplete Fusion Dynamics
1 Centre for Applied Physics, Central University of Jharkhand, Ranchi - 835 205, India
2 Department of Physics, G. F. (P. G.) College, Shahjahanpur - 242 001, India
3 Department of Physics, Aligarh Muslim University, Aligarh - 202 002, India
4 Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi - 110 067
a Corresponding author: firstname.lastname@example.org
Published online: 29 January 2015
To investigate the role of target deformation on incomplete fusion dynamics, a particle-gamma coincidence experiment has been performed at Inter University Accelerator Centre, New Delhi. Spin distributions for various evaporation residues populated via complete and incomplete fusion of 16O with 124Sn at 6.3MeV/nucleon have been measured. Experimentally measured spin distributions of the residues produced as incomplete fusion products associated with fast α and 2α-emission channels observed in forward cone are found to be distinctly different from those of the residues produced as complete fusion products. The mean value of input angular momentum J0 for evaporation residues produced through xn channels (complete fusion products) is found to be J0≈ 7ħ, while the mean value of input angular momentum J0 for the residues produced through direct αxn and 2αxn channels (incomplete fusion products) in forward cone, are found to be J0 ≈ 9ħ and ≈ 12ħ respectively for 16O + 124Sn (spherical) system . The mean value of input angular momentum J0 for the system 16O + 169Tm (deformed) reported in ref. , are found to be ≈10ħ for xn-channels (complete fusion products) and for direct αxn and 2αxn channels (incomplete fusion products) the value of J0 approaches to ≈ 13ħ and ≈16ħ, respectively. The mean values of the input angular momentum observed for xn (complete fusion products), αxn and 2αxn (incomplete fusion products) in 16O + 124Sn (spherical) system are smaller than that of the mean values of the input angular momentum observed for xn (complete fusion products), αxn and 2αxn (incomplete fusion products) in 16O + 169Tm (deformed) system. The comparison of data inferred that the mean values of the input angular momentum are smaller in case of spherical target than that of deformed target at same projectile energy of 16O-ion beam. It means that the target deformation affect the incomplete fusion dynamics.
© Owned by the authors, published by EDP Sciences, 2014
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