Effect of increasing neutron-excess on the fusion cross-section in 12−15C + 12C at above-barrier energies

R. T. deSouza, Varinderjit Singh, S. Hudan, Z. Lin, C. J. Horowitz

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Fusion excitation functions at energies above the fusion barrier for 12−15C + 12C are examined. From these excitation functions the average fusion cross-section, <σF>, is calculated. For this isotopic chain, the measured dependence of <σF> on neutron excess is compared with static barrier penetration models. The more rapid increase observed for the experimental cross-sections above the geometric increase predicted by the static models suggests that the stronger dependence on neutron-excess measured may be attributable to dynamics. Calculations with a time-dependent Hartree-Fock model also fail to describe the observed trend suggesting that for neutron-rich nuclei, neutron dynamics may play a larger role than is presently accounted for.

Original languageEnglish
Article number136115
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume814
DOIs
StatePublished - 10 Mar 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 The Authors

Keywords

  • Fusion enhancement
  • Near-barrier fusion
  • Neutron-rich fusion
  • RIB fusion

Fingerprint

Dive into the research topics of 'Effect of increasing neutron-excess on the fusion cross-section in 12−15C + 12C at above-barrier energies'. Together they form a unique fingerprint.

Cite this