EPJ Web Conf.
Volume 223, 2019IV International Conference on Nuclear Structure and Dynamics (NSD2019)
|Number of page(s)||4|
|Published online||04 December 2019|
Comparative study of four reactions at onset of pre-equilibrium emission
Dipartimento di Fisica e Astronomia dell’Università di Padova,
2 INFN Laboratori Nazionali di Legnaro, Legnaro (PD), Italy
3 INFN Sezione di Padova, Padova, Italy
4 Science and Art Faculty, Physics Department, Nevsehir Haci Bektas Veli Univ., Nevsehir, Turkey
5 INFN, Florence Department and University, Physics and Astronomy Department – Florence, Italy
6 INFN, Bologna Department and University, Physics and Astronomy Department – Bologna, Italy
7 Institute of Nuclear Physics, Polish Academy of Sciences Krakow, Poland
8 MSU Department of Physics and Astonomy – Michigan USA
9 Grand Accélérateur National d’Ions Lourds, 14076 Caen, France
10 National Research Center “Kurchatov Institute”, Moscow, Russia
11 INFN, Milan Department and University, Physics and Astronomy Department – Milan, Italy
12 INFN, Catania Department – Catania, Italy
* Corresponding author: firstname.lastname@example.org
Published online: 4 December 2019
The study of the emitted particles, comparing pre-equilibrium and thermal components, is a useful tool to examine the nuclear structure of emitters. Possible clustering effects, which may change the expected decay chain probability, could be highlighted on the competition between different reaction mechanisms. The NUCL-EX collaboration (INFN, Italy) has carried out an extensive research campaign on pre-equilibrium emission of light charged particles from hot nuclei. In this framework, the reactions 16O+30Si, 18O+28Si, 19F+27Al at 7 AMeV and 16O+30Si at 8 AMeV have been carried out using the GARFIELD+RCo array at Legnaro National Laboratories. Some anomalies in the α-particle emission channels have been evidenced in the measurement reported above, showing in an exclusive way the observed effects related to the entrance channels. The experimental results are compared to model prediction, for which the same filtering and complete event selection have been applied.
© The Authors, published by EDP Sciences, 2019
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