EPJ Web Conf.
Volume 163, 2017FUSION17
|Number of page(s)||6|
|Published online||22 November 2017|
Clustering in light nuclei and their effects on fusion and pre – equilibrium processes.
Laboratori Nazionali di Legnaro, 35020 Legnaro (Pd), Italy
2 University of Padova, Dep. of Physics and Astronomy, 35100 Padova, Italy
3 INFN Padova, 35100 Padova, Italy
4 KU Leuven, Dep. of Phys. and Astron. Instituut voor Kern- en Stralingsfysica, 3001 Leuven, Belgium
5 Science and Art Faculty, Phys. Dep., Nevsehir Haci Bektas Veli Univ., Nevsehir, Turkey
6 INFN Ferrara and University of Ferrara, Dep. of Chemistry, Ferrara, Italy
7 INFN Bologna and University of Bologna, Dep. of Physics and Astronomy, Bologna, Italy
8 INFN Firenze and University of Firenze, Dep. of Physics and Astronomy, Firenze, Italy
9 INFN Firenze, Firenze, Italy
10 GANIL, Caen, France
11 INFN Napoli and University of Napoli, Dep. of Physics and Astronomy, Napoli, Italy
12 INFN Milano and University of Milano, Dep. of Physics and Astronomy, Milano, Italy
13 Institute of Nuclear Physics, Polish Academy of Sciences Krakow, Poland
14 Laboratori Nazionali dl Sud, Catania, Italy
15 Tohoku University, Sendai, Japan
16 University of Pavia, Dep. of Physics, Pavia, Italy
Published online: 22 November 2017
The study of nuclear cluster states bound by valence neutrons is a field of recent large interest. In particular, it is important to study the pre-formation of α-clusters in α-conjugate nuclei and the dynamical condensation of clusters during nuclear reactions [1–5]. The NUCL–EX collaboration has recently initiated an experimental campaign of exclusive measurements of fusion–evaporation reactions with light nuclei as interacting partners. In collisions involving light systems, the low expected multiplicity of fragments increases the probability of achieving a quasi-complete reconstruction of the event. In particular the formation and decay modes of an excited 24Mg system have been studied through two different reactions, 12C (95 MeV)+ 12C and 14N (80.7 MeV)+ 10B, which have been used to produce fused systems with nearly the same mass and excitation energy (~60 MeV). In particular, even the de-excitation of the Hoyle state in 12C have been studied, both in peripheral (projectiles de-excitation) and in central collisions (six α-particles channel). Moreover, a research campaign studying pre-equilibrium emission of light charged particles and cluster properties of light and medium-mass nuclei has been carried out. For this purpose, a comparative study of the three nuclear systems 18O+28Si, 16O+30Si and 19F+27Al has been recently studied using the GARFIELD+RCo 4π setup . The experimental data are compared with the predictions of simulated events generated with the statistical models (GEMINI++ and HFl) and through dynamical models like Stochastic Mean Field (SMF) and Antisymmetrized Molecular Dynamics (AMD) and filtered with a software replica of our apparatus in order to take into account the experimental conditions.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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