Evolving theoretical descriptions of heavy-ion fusion :from phenomenological to microscopic approaches

@article{Hagino2017EvolvingTD,
  title={Evolving theoretical descriptions of heavy-ion fusion :from phenomenological to microscopic approaches},
  author={Kouichi Hagino},
  journal={arXiv: Nuclear Theory},
  year={2017}
}
  • K. Hagino
  • Published 14 April 2017
  • Physics
  • arXiv: Nuclear Theory
We overview the current status of theoretical approaches for heavy-ion fusion reactions at subbarrier energies. We particularly discuss theoretical challenges in the coupled-channels approach, that include i) a description of deep subbarrier hindrance of fusion cross sections, ii) the role of nuclear dissipation, iii) fusion of unstable nuclei, and iv) an interplay between fusion and multi-nucleon transfer processes. We also present results of a semi-microscopic approach to heavy-ion fusion… 

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References

SHOWING 1-10 OF 78 REFERENCES
Quantum tunneling in nuclear fusion
Recent theoretical advances in the study of heavy-ion fusion reactions below the Coulomb barrier are reviewed. Particular emphasis is given to new ways of analyzing data (such as studying barrier
Signature of smooth transition from sudden to adiabatic states in heavy-ion fusion reactions at deep sub-barrier energies.
TLDR
A novel extension of the standard coupled-channels framework for heavy-ion reactions in order to analyze fusion reactions at deep-sub-barrier incident energies simulates a smooth transition between the two-body and the adiabatic one-body states.
Role of breakup processes in fusion enhancement of drip-line nuclei at energies below the Coulomb barrier
We carry out realistic coupled-channels calculations for $^{11}$Be + $^{208}$Pb reaction in order to discuss the effects of break-up of the projectile nucleus on sub-barrier fusion. We discretize
Recent developments in heavy-ion fusion reactions
In this review the main advances in heavy-ion fusion research that have taken place over the last decade are addressed. During this period, experimental studies have been extended to deep subbarrier
Hindrance of heavy-ion fusion due to nuclear incompressibility.
TLDR
A good agreement is reported with the data of coupled-channels calculation for the 64Ni + 64Ni 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.
Systematic investigations of deep sub-barrier fusion reactions using an adiabatic approach
To describe fusion hindrance observed in fusion reactions at extremely low incident energies, I propose a novel extension of the standard CC model by introducing a damping factor that describes a
Semi-microscopic modeling of heavy-ion fusion reactions with multi-reference covariant density functional theory
We describe low-lying collective excitations of atomic nuclei with the multi-reference covariant density functional theory, and combine them with coupled-channels calculations for heavy-ion fusion
Damping of Quantum Vibrations Revealed in Deep Sub-barrier Fusion
Heavy-ion fusion reactions at low incident energies serve as an important probe for investigating the fundamental properties of the potential tunneling of many-body quantum systems. When two nuclei
Pairing correlations of nucleons and multi-nucleon transfer between heavy nuclei
This review presents the status of the field of two-nucleon and multi-nucleon transfer reactions induced by heavy ions. The role of the pairing interaction in nuclei as a finite quantum system is
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