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The transfer reaction B(N, C)C

Research output: Contribution to journalArticle

  • A. Di Pietro
  • R. Neal
  • F. Amorini
  • W. Bradfield-Smith
  • G. Cardella
  • T. Davinson
  • P. Figuera
  • W. Galster
  • R. Irvine
  • P. Leleux
  • J. Mackenzie
  • A. Musumarra
  • A. Ninane
  • G. Pappalardo
  • A.C. Shotter
  • C. Sukosd
  • F. Rizzo
  • S. Tudisco
  • P. Woods

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Original languageEnglish
Pages (from-to)909-916
Number of pages8
JournalNuovo Cimento della Societa Italiana di Fisica A
Issue number8-9
Publication statusPublished - 1 Aug 1998


The transfer reaction B(N, C)C* has been investigated at the two laboratory energies E=45 MeV and E=29.5 MeV. Particle-γ and particle-particle coincidences have been measured. The coincidence between a heavy ion and the 15.1 MeV γ-ray emitted from C* shows transition to the C+C* and C*+C* exit channels. These indicate the mixed ground-state structure of N. DWBA calculations have also been performed. Analysis of particle-particle coincidence data revealed the presence of transfer channels also to unbound states of C such as C+C* (E* >7.64 MeV) and C*+C* (E* >7.64 MeV). The angular distributions have been extracted for these two channels. Six-alpha-particle events have also been analyzed. Some of these events have been identified as coming from B(N,C*)12C* reaction. An enhancement in the six-α cross-section is observed at an excitation energy for the compound nucleus Mg close to the 46 MeV resonances observed in C+C inelastic scattering. These six-alphas events are generated mostly from the break-up of C(3) + C(3) and therefore seems not to be associated with the six-alphas chain state.

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