No-recoil approximation to the knock-on exchange potential in the double folding model for heavy-ion collisions

K. Hagino, T. Takehi, N. Takigawa

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

We propose the no-recoil approximation, which is valid for heavy systems, for a double folding nucleus-nucleus potential. With this approximation, the nonlocal knock-on exchange contribution becomes a local form. We discuss the applicability of this approximation for elastic scattering of the Li6 +Ca40 system. We find that, for this and heavier systems, the no-recoil approximation works as good as another widely used local approximation that employs a local plane wave for the relative motion between the colliding nuclei. We also compare the results of the no-recoil calculations with those of the zero-range approximation often used to handle the knock-on exchange effect.

Original languageEnglish
Article number037601
JournalPhysical Review C - Nuclear Physics
Volume74
Issue number3
DOIs
Publication statusPublished - 2006
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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