Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2002-03-27
Nucl.Phys. A706 (2002) 217-232
Physics
Nuclear Physics
Nuclear Theory
17 pages, 8 figures, accepted for publication in Nucl. Phys. A
Scientific paper
10.1016/S0375-9474(02)00860-6
Large-scale QRPA calculations of the E1-strength are performed as a first attempt to microscopically derive the radiative neutron capture cross sections for the whole nuclear chart. A folding procedure is applied to the QRPA strength distribution to take the damping of the collective motion into account. It is shown that the resulting E1-strength function based on the SLy4 Skyrme force is in close agreement with photoabsorption data as well as the available experimental E1-strength at low energies. The increase of the E1-strength at low energies for neutron-rich nuclei is qualitatively analyzed and shown to affect the corresponding radiative neutron capture cross section significantly. A complete set of E1-strength function is made available for practical applications in a table format for all 7
Goriely Stephane
Khan Elias
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