Hindrance of Heavy-Ion Fusion due to Nuclear Incompressibility
Journal Article
·
· Physical Review Letters
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
We propose a new mechanism to explain the unexpected steep falloff of fusion cross sections at energies far below the Coulomb barrier. The saturation properties of nuclear matter are causing a hindrance to large overlap of the reacting nuclei and consequently a sensitive change of the nuclear potential inside the barrier. We report in this Letter a good agreement with the data of coupled-channels calculation for the {sup 64}Ni+{sup 64}Ni combination using the double-folding potential with Michigan-3-Yukawa-Reid effective N-N forces supplemented with a repulsive core that reproduces the nuclear incompressibility for total overlap.
- OSTI ID:
- 20777105
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 11 Vol. 96; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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