Newtonian dynamics of imaginary time-dependent mean field theory
Cyclotron Institute, Texas A&M University, College Station, TX 77843-USA.
Laboratori Nazionali del Sud-INFN, v. Santa Sofia 64, 95123 Catania, Italy.
Published online: 10 September 2021
A Time Dependent Hartree-Fock (TDHF) based classical model is applied to sub-barrier fusion reactions using the Feynman Path Integral Method (FPIM). The fusion cross-sections and modified astrophysical S*-factors are calculated for the 12C+12C reactions and compared to direct and indirect experimental results. Different channels cross-sections are estimated from the statistical decay of the compound nucleus. A good agreement with the direct data is found. We suggest a complementary observable given by the (imaginary) action A easily derived from theory and experiments. When properly normalized by the action in the Gamow limit it has an upper value of 1 at zero beam energies. It becomes negative at the Coulomb barrier which is Vcb=5.05±0.05MeV from direct data and Vcb=5.5MeV from model calculations.
© The Authors, published by EDP Sciences, 2021
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