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Fusion at deep subbarrier energies: potential inversion revisited
For a single potential barrier, the barrier penetrability can be inverted based on the WKB approximation to yield the barrier thickness. We apply this method to heavy-ion fusion reactions at energies ...
For a single potential barrier, the barrier penetrability can be inverted based on the WKB approximation to yield the barrier thickness. We apply this method to heavy-ion fusion reactions at energies ...
Existence of a one-body barrier revealed in deep subbarrier fusion
We propose a two-step model for heavy-ion fusion reactions based on the adiabatic approach in order to account for steep fall-off of fusion cross sections at deep subbarrier energies. The two-step mod...
We propose a two-step model for heavy-ion fusion reactions based on the adiabatic approach in order to account for steep fall-off of fusion cross sections at deep subbarrier energies. The two-step mod...
Density-dependence of effective n-n forces and the hindrance in extreme sub-barrier fusion
AIP Conf. Proc. -- March 4, 2009 -- Volume 1098, pp. 26-31
FUSION08: New Aspects of Heavy Ion Collisions Near the Coulomb Barrier;
doi:10.1063/1.3108820
Issue Date: 4 March 2009
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Henning Esbensen,a 
erban Mi
icu,b and Florin Carstoiub
aPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
bDepartment of Theoretical Physics, NIPNE-HH, Bucharest-Magurele, ROMANIA
erban Miicu,b and Florin CarstoiubaPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
bDepartment of Theoretical Physics, NIPNE-HH, Bucharest-Magurele, ROMANIA
We present our investigations of double-folding, heavy-ion potentials and of the role played by nucleon-nucleon interactions that incorporate medium effects in accordance with the saturation properties of nuclear matter. The dependence on the medium is included directly via a repulsive term in the heavy-ion potential, and/or via a density dependent term as in the case of zero-or finite-range forces in mean-field nuclear structure calculations. We illustrate this point with the coupled-channels calculations we performed for systems that display a hindrance in fusion at deep sub-barrier energies.
©2009 American Institute of Physics
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0094-243X (print)
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