Hindrance of heavy-ion fusion due to nuclear incompressibility

Details Hindrance of heavy-ion fusion due to nuclear incompressibility Hindrance of heavy-ion fusion due to nuclear incompressibility

2006-02-22

arxiv.org/abs/nucl-th/0602064v1

Phys.Rev.Lett. 96 (2006) 112701

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.96.112701

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 {64}Ni+{64}Ni combination using the double-folding potential with M3Y-Reid effective N-N forces supplemented with a repulsive core that reproduces the nuclear incompressibility for total overlap.

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