Threshold energy for sub-barrier fusion hindrance phenomenon
V. V. Sargsyan, G. G. Adamian, N. V. Antonenko, W. Scheid, and H. Q., Zhang
TL;DR
This paper investigates the threshold energy at which sub-barrier fusion hindrance occurs, linking it to the change in nuclear interaction regimes, using the quantum diffusion approach and quasielastic barrier distribution analysis.
Contribution
It introduces a quantum diffusion model to analyze the connection between fusion hindrance threshold and interaction regime changes in sub-barrier capture.
Findings
The quasielastic barrier distribution helps identify changes in capture cross section slopes.
A relationship between hindrance threshold and nuclear force turn-off energy is established.
The quantum diffusion approach effectively models sub-barrier fusion phenomena.
Abstract
The relationship between the threshold energy for a deep sub-barrier fusion hindrance phenomenon and the energy at which the regime of interaction changes (the turning-off of the nuclear forces and friction) in the sub-barrier capture process, is studied within the quantum diffusion approach. The quasielastic barrier distribution is shown to be a useful tool to clarify whether the slope of capture cross section changes at sub-barrier energies.
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