Systematics of precise nuclear fusion cross sections: The need for a new dynamical treatment of fusion?

J. O. Newton, R. D. Butt, M. Dasgupta, D. J. Hinde, I. I. Gontchar, C. R. Morton, K. Hagino

Research output: Contribution to journalArticlepeer-review

74 Citations (Scopus)

Abstract

A large number of precision fusion excitation functions, at energies above the average fusion barriers, have been fitted using the Woods-Saxon form for the nuclear potential. Values of the empirical diffuseness parameter greatly exceed those which generally reproduce elastic scattering data and tend to increase strongly with the reaction charge product Z1Z2. Possible reasons for this may lie in the Woods-Saxon form being inappropriate, or in the reduction of fusion cross sections by processes such as deep-inelastic collisions. These results point to a need for renewed efforts in dynamical calculations of fusion.

Original languageEnglish
Pages (from-to)219-224
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume586
Issue number3-4
DOIs
Publication statusPublished - 2004 Apr 29
Externally publishedYes

Keywords

  • 21.60.Ev
  • 24.10.Eq
  • 25.70.J
  • 27.60.+j
  • Deep-inelastic scattering
  • Heavy-ion fusion
  • Nuclear potential

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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