EPJ Web of Conferences
Volume 117, 201612th International Conference on Nucleus-Nucleus Collisions 2015
|Number of page(s)||6|
|Section||VIII. Fusion and Fission|
|Published online||11 May 2016|
Isospin influence on the decay modes of the systems produced in the 78,86Kr +40,48Ca reactions at 10 AMeV
1 INFN, Sezione di Catania, Catania, Italy
2 Dipartimento di Fisica e Astronomia, Univ. di Catania, Italy
3 Dip. di Fisica, Univ. Federico II Napoli, Italy
4 INFN, Sezione di Napoli, Napoli, Italy
5 Ganil, CAEN, France
6 INFN - Laboratori Nazionali del Sud, Catania Italy
7 Dip. di Fisica, Univ. Messina, Italy
8 INFN, Gruppo coll. di Messina, Messina, Italy
9 IN2P3-IPHC, Strasbourg, France
10 IPNE, Bucarest, Romania
11 IN2P3-IPN, Orsay, France
12 Dip. di Matematica e Fisica, Seconda Univ. di Napoli, Caserta, Italy
13 University of Rochester, Rochester, NY, USA
14 Centro Siciliano Fisica Nucleare e Struttura della Materia, Catania, Italy
15 Università “Kore”, Enna, Italy
16 IN2P3-IPN Lyon, France
17 IN2P3-LPC CAEN, France
18 Faculty of Physics and Heavy Ion Laboratory, Univ. of Warsaw, Poland
19 INFN - Laboratori Nazionali di Legnaro, Legnaro ( PD ) Italy
Published online: 11 May 2016
The results of the analysis of the reactions 78,86Kr +40,48 Ca at 10 AMeV are presented. The experiment was performed at the INFN Laboratori Nazionali del Sud (LNS) in Catania by using the 4π multidetector CHIMERA, with beams delivered by the Superconductive Cyclotron. The competition among the various disintegration paths and in particular the isospin effects on the decay modes of the produced composite systems are investigated; this provides information about fundamental nuclear quantities such as level density, fission barrier and viscosity. Different isotopic composition and relative richness are observed among the reaction products of the two systems. An odd-even staggering effect is present in the charge distributions, in particular for the light fragments produced by the neutron-poor system. The kinematical characteristics of the IMF seem to indicate a high degree of the relaxation of the formed system. Besides, global features analysis seems to show some differences in the contribution arising from the various reaction mechanisms for the two reactions.
© Owned by the authors, published by EDP Sciences - SIF, 2016
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