Exotic break-up modes in heavy ion reactions at low energies

C. Rizzo, M. Colonna, V. Baran, and M. Di Toro
Phys. Rev. C 90, 054618 – Published 21 November 2014

Abstract

New reaction mechanisms occurring in heavy ion collisions at low energy (10–30 MeV/nucleon) are investigated within the stochastic mean field model. We concentrate on the analysis of ternary breakup events, of dynamical origin, occurring in semicentral reactions, where the formation of excited systems in various conditions of shape and angular momentum is observed. We show how this fragmentation mode may emerge from the combined action of surface (neck) instabilities and angular momentum effects. Interesting perspectives on this mechanism in neutron-rich (or exotic) systems are developing, with the possibility of accessing information on the low-density behavior of the nuclear symmetry energy.

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  • Received 3 July 2014
  • Revised 21 October 2014

DOI:https://doi.org/10.1103/PhysRevC.90.054618

©2014 American Physical Society

Authors & Affiliations

C. Rizzo1, M. Colonna1, V. Baran2, and M. Di Toro1,3

  • 1INFN-LNS, Laboratori Nazionali del Sud, 95123 Catania, Italy
  • 2Faculty of Physics, University of Bucharest, 077125 Bucharest, Romania
  • 3Physics and Astronomy Department, University of Catania, 95123 Catania, Italy

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Issue

Vol. 90, Iss. 5 — November 2014

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