Entrance channel effects in medium mass nuclear systems at 25 MeV/nucleon
- Lombardo, I.
- Acosta, L
- Agodi, C.
- Amorini, F.
- Anzalone, A.
- Auditore, L.
- Berceanu, I
- Cardella, G.
- Chatterjee, M. B.
- De Filippo, E.
- Geraci, E.
- Giuliani, G.
- Grassi, Laura
- Han, J.
- La Guidara, E.
- Lanzalone, G.
- Loria, D.
- Maiolino, C.
- Minniti, T.
- Pagano, A.
- Papa, M.
- Pirrone, S.
- Politi, G.
- Porto, F.
- Rizzo, F.
- Rosato, E.
- Russotto, P.
- Trifirò, A.
- Trimarchi, M.
- Verde, G.
- Vigilante, M.
Publication date
January 2014
DOI Publisher
IOP Publishing ISSN
1742-6596Abstract
We discuss experimental data concerning 48Ca+48Ca and 42Ca+54Fe reactions at 25 MeV/nucleon obtained by using the 4π multi-detector Chimera. Effects due due to the different neutron to proton ratios (N/Z) of the two systems have been investigated. Charge distributions of forwardly emitted fragments show even-odd staggering whose amplitude is larger for the neutron poor system. Moreover, the neutron excess of the total system influence the evolution of fusion-like sources formed in semi-central collisions. In particular, for the neutron rich system, the relative emission yield of heavy residues is larger, while multi-fragmentation and binary-like events prevail in the neutron poor system
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