EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
Pre-equilibrium α-particle emission as a probe to study α-clustering in nuclei
1 Physical Department, Lomonosov Moscow State University, Moscow, Russia
2 Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia
3 National Research Center “Kurchatov Institute”, Moscow, Russia
4 INFN, Laboratori Nazionali di Legnaro, I-35020, Legnaro, Italy
5 Dipartimento di Fisica, University of Bologna and INFN sezione di Bologna, Italy
6 University of Nevsehir, Science and Art Faculty, Physics Department, Nevsehir, Turkey
7 Dipartimento di Fisica, University of Firenze and INFN Sezione di Firenze, Italy
8 Dipartimento di Fisica, University of Milano and INFN Sezione di Milano, Italy
9 INFN Sezione di Padova, Italy
a e-mail: email@example.com
Published online: 20 March 2014
A theoretical approach was developed to describe secondary particle emission in heavy ion collisions, with special regards to pre-equilibrium α-particle production. The probabilities of neutron, proton and α-particle emission have been evaluated for both the equilibrium and pre-equilibrium stages of the process. Effects due the possible cluster structure of the projectile which has been excited during the collisions have been experimentally evidenced studying the double differential cross sections of p and α-particles emitted in the E=250MeV 16O +116Sn reaction. Calculations within the present model with different clusterization probabilities have been compared to the experimental data.
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