# Probing internucleus potential with large-angle quasi-elastic scattering

Source: [Probing internucleus potential with large-angle quasi-elastic scattering](<https://www.sota2.com/research/paper/68fa278c2c2a3760193c331d>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T12:00:57.707Z

Authors: K. Hagino, K. Washiyama

Published: 2006-05-08T14:48:47.000Z

## Abstract

Recent measurements for fusion cross section at energies around the Coulomb barrier have systematically indicated a significant deviation of fusion cross sections from a prediction of double-folding model. It has been argued that the deviation can be accounted for if one uses a large value of surface diffuseness parameter for a Woods-Saxon internuclear potential. We investigate this problem using large-angle quasi-elastic scattering, that is a good counterpart of fusion reaction. Towards a reconciliation of the apparent anomaly in the diffuseness parameter for fusion reactions, we also discuss possible ingredients which are missing in present nuclear reaction models. Those include a deviation from the frozen density approximation, the effect of antisymmetrization and the role of coordinate dependent moment of inertia for the relative motion between the colliding nuclei.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/nucl-th/0605017>)

[PDF](<https://arxiv.org/pdf/nucl-th/0605017.pdf>)