An extra push from entrance-channel effects

N. Rowley, N. Grar, K. Hagino

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Symmetric heavy-ion collisions are known to display an 'extra-push' effect. That is, the energy at which the s-wave transmission is 0.5 lies significantly higher than the nominal Coulomb barrier. Despite this, however, the capture cross section is still greatly enhanced below the uncoupled barrier. It is shown that this phenomenon can be simply explained in terms of entrance-channel effects which account for long-range Coulomb excitations.

Original languageEnglish
Pages (from-to)243-246
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume632
Issue number2-3
DOIs
Publication statusPublished - 2006 Jan 12

Keywords

  • Coulomb barrier distribution
  • Coulomb excitation
  • Coupled channels
  • Extra push
  • Fusion and fusion-fission reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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