Fusion hindrance in heavy systems with time-dependent Hartree-Fock

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Abstract

We analyze fusion hindrance in heavy systems, where the fusion probability around the Coulomb barrier is hindered compared with that in light and medium-mass systems. We perform simulations of central collisions around the Coulomb barrier in heavy systems with time-dependent Hartree- Fock (TDHF) and find that the fusion hindrance is realized in TDHF simulations. We extract nucleus- nucleus potential and energy dissipation in heavy systems by a method combining a microscopic TDHF evolution to a macroscopic collective equation of motion. We find that the extracted potentials exhibit a dynamical increase at small relative distances, while the extracted friction coefficients show rather a behavior similar to that in light and medium-mass systems. We find from our analysis that the dynamical increase in potential is a main contribution to this fusion hindrance.

Original languageEnglish
Article number00064
JournalEPJ Web of Conferences
Volume163
DOIs
Publication statusPublished - Nov 22 2017
Externally publishedYes
EventFUSION 2017 - Hobart, Australia
Duration: Feb 20 2017Feb 24 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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