EPJ Web of Conferences
Volume 63, 2013Heavy Ion Accelerator Symposium 2013
|Number of page(s)||4|
|Published online||19 December 2013|
Elastic scattering and heavy residue production in the collisions 6,7Li+64 Zn around the Coulomb barrier
1 INFN Laboratori Nazionali del Sud, Catania Italy
2 Dipartimento di Fisica ed Astronomia Universita’ di Catania, Catania, Italy
3 Department of Physics University of Zagreb, Zagreb, Croatia
4 KINR, Kiev, Ukraine
5 Ruder Boskovic Institute, Zagreb Croatia
a e-mail: email@example.com
Published online: 19 December 2013
Elastic scattering angular distributions and heavy residue production cross sections have been measured at different energies around the Coulomb barrier for the systems 6,7Li+64Zn. Optical model fits of the elastic angular distributions were performed using a renormalized double folding potential and absence of usual threshold anomaly in the optical potential was found. Excitation functions for heavy residue production have been measured using an activation technique. Comparison of the data with the results of different calculations show that complete fusion is the dominant reaction mechanism above the barrier, whereas the heavy residue yield below the barrier is mainly due to incomplete fusion and transfer.
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