EPJ Web of Conferences
Volume 17, 20115th International Conference FUSION11
|Number of page(s)||4|
|Section||Session 16 Posters|
|Published online||19 October 2011|
Entrance channel effect in the incomplete fusion reactions
Department of Physics, A. M. University, Aligarh
(U.P. )- 202 002,
2 INFN-Laboratori Nazionali di Legnaro, I-35020 Legnaro, Italy
3 Physics Department, S.V.College, Aligarh (U.P.), India
4 NP-Group, Inter University Accelerator Centre, New Delhi - 110067, India
In the present work the effect of various entrance channel parameters on incomplete fusion strength and the reaction dynamics in 12C+159Tb system at energies ≈ 4-7MeV/A have been investigated by measuring the excitation functions of individual reaction channels. Experimental excitation functions have been analyzed in the framework of compound nucleus decay using statistical model code PACE4. Analysis of data suggests the production of xn/pxn-channels via complete fusion of 12C with 159Tb, as these are found to be well reproduced by PACE4 predictions, while, a significant enhancement in the excitation functions of α-emitting channels has been observed over the theoretical ones. This enhancement has been attributed due to incomplete fusion. For better insight into the underlying dynamics, fraction of incomplete fusion to the total fusion has been deduced and compared with 16O+159Tb and other nearby systems as a function of various entrance channel parameters. The fraction of incomplete fusion has been found to be sensitive to the projectile type, energy and entrance-channel mass-asymmetry.
© Owned by the authors, published by EDP Sciences, 2011
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