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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. (2014) Entrance channel effects in medium mass nuclear systems at 25 MeV/nucleon. Journal of Physics: Conference Series, 515 . 12013/1-12013/6. ISSN 1742-6588

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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.

Item Type: Article
Uncontrolled Keywords: 25 MeV/nucleon; 4π multi-detector Chimera
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Depositing User: Laura Grassi
Date Deposited: 21 Jul 2016 09:01
DOI: 10.1088/1742-6596/515/1/012013

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