skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Potential Energy of Heavy Nuclear System in Low-energy Fusion-fission Processes

Abstract

The problem of description of low-energy nuclear dynamics and derivation of multi-dimensional potential energy surface depending on several collective degrees of freedom is discussed. Multi-dimensional adiabatic potential is constructed basing on extended version of the two-center shell model. It has correct asymptotic value and height of the Coulomb barrier in the entrance channel (fusion) and appropriate behavior in the exit one, giving required mass and energy distributions of reaction products and fission fragments. Explicit time-dependence of the driving potential was introduced in order to take into account difference of diabatic and adiabatic regimes of motion of nuclear system at above-barrier energies and also difference of nuclear shapes in fusion and fission channels (neck formation). Derived driving potential is proposed to be used for unified analysis of the processes of deep-inelastic scattering, fusion and fission at low-energy collisions of heavy ions.

Authors:
; ; ;  [1];  [2]
  1. Flerov Laboratory of Nuclear Reactions, JINR, Dubna, Moscow region (Russian Federation)
  2. Frankfurt Institute for Advanced Studies, J. W. Goethe-Universitaet Frankfurt am Main (Germany)
Publication Date:
OSTI Identifier:
21061812
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 912; Journal Issue: 1; Conference: International symposium on exotic nuclei, Khanty-Mansiysk (Russian Federation), 17-22 Jul 2006; Other Information: DOI: 10.1063/1.2746606; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ASYMPTOTIC SOLUTIONS; COULOMB FIELD; DEEP INELASTIC HEAVY ION REACTIONS; DEEP INELASTIC SCATTERING; DEGREES OF FREEDOM; ENERGY SPECTRA; FISSION; FISSION FRAGMENTS; HEAVY ION FUSION REACTIONS; POTENTIAL ENERGY; POTENTIALS; SHELL MODELS; TIME DEPENDENCE

Citation Formats

Karpov, A. V., Zagrebaev, V. I., Aritomo, Y., Naumenko, M. A., and Greiner, W.. Potential Energy of Heavy Nuclear System in Low-energy Fusion-fission Processes. United States: N. p., 2007. Web. doi:10.1063/1.2746606.
Karpov, A. V., Zagrebaev, V. I., Aritomo, Y., Naumenko, M. A., & Greiner, W.. Potential Energy of Heavy Nuclear System in Low-energy Fusion-fission Processes. United States. doi:10.1063/1.2746606.
Karpov, A. V., Zagrebaev, V. I., Aritomo, Y., Naumenko, M. A., and Greiner, W.. Tue . "Potential Energy of Heavy Nuclear System in Low-energy Fusion-fission Processes". United States. doi:10.1063/1.2746606.
@article{osti_21061812,
title = {Potential Energy of Heavy Nuclear System in Low-energy Fusion-fission Processes},
author = {Karpov, A. V. and Zagrebaev, V. I. and Aritomo, Y. and Naumenko, M. A. and Greiner, W.},
abstractNote = {The problem of description of low-energy nuclear dynamics and derivation of multi-dimensional potential energy surface depending on several collective degrees of freedom is discussed. Multi-dimensional adiabatic potential is constructed basing on extended version of the two-center shell model. It has correct asymptotic value and height of the Coulomb barrier in the entrance channel (fusion) and appropriate behavior in the exit one, giving required mass and energy distributions of reaction products and fission fragments. Explicit time-dependence of the driving potential was introduced in order to take into account difference of diabatic and adiabatic regimes of motion of nuclear system at above-barrier energies and also difference of nuclear shapes in fusion and fission channels (neck formation). Derived driving potential is proposed to be used for unified analysis of the processes of deep-inelastic scattering, fusion and fission at low-energy collisions of heavy ions.},
doi = {10.1063/1.2746606},
journal = {AIP Conference Proceedings},
number = 1,
volume = 912,
place = {United States},
year = {Tue May 22 00:00:00 EDT 2007},
month = {Tue May 22 00:00:00 EDT 2007}
}