EPJ Web of Conferences
Volume 21, 2012CNR*11 – Third International Workshop on Compound Nuclear Reactions and Related Topics
|Number of page(s)||7|
|Published online||14 February 2012|
Effect of alpha-Q-value on reaction dynamics at ≈ 4-7 AMeV
Acc. Lab., Department of Physics, A. M. University, Aligarh – 202 002, India
2 GSI Helmholtz Centre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany
3 S. V. College, Agra University, Agra, India
4 NP-Group, Inter-University Accelerator Center, New Delhi – 110 067, India
a e-mail: email@example.com
b Present Address: Department of Pure and Applied Physics, Guru Ghasidas University, Koni, Bilaspur-495009 (CG), India
This paper deals with the dependence of incomplete fusion reaction dynamics on various entrance channel parameters, specially, the alpha-Q-value effect. The excitation functions for several radio-nuclides formed in 13C+159Tb interactions at ≈ 4-7 AMeV have been measured using activation technique followed by γ-spectroscopy. The experimentally measured excitation functions have been analyzed in the framework of statistical model code PACE4. A sizeable contribution of incomplete fusion has been delineated in the production of α-emitting channels in reference to the Monte Carlo simulation based statistical model code PACE4. For better insights into the onset and strength of incomplete fusion, the incomplete fusion strength function has been deduced as a function of various entrance channel parameters. A significant amount of incomplete fusion contribution has been observed at slightly above barrier energies, and found to increase smoothly with incident projectile energy. Present results have also been compared with the results obtained in the interactions of 16O and 12C with same target 159Tb, to probe the dependence of incomplete fusion on projectile, specially, on the binding energy & alpha-Q-value. The present work in light of previous data hints that instead of binding energy, the alpha-Q-value of the projectile is a parameter which influences the in-complete fusion reaction dynamics.
© Owned by the authors, published by EDP Sciences, 2012
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