The 12C(16O, 12C12C)α reaction at E beam = 75 MeV

Martin Freer, MP Nicoli, Norman Clarke, BR Fulton, GR Kelly, JT Murgatroyd, SM Singer

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The C-12(O-16,(CC)-C-12-C-12)alpha reaction has been measured at E-beam = 75 MeV, for Mg-24 emission from 0 to 180 degrees. This energy coincides with an enhancement observed in earlier measurements of the C-12+O-16 system. The properties of the angular correlations of the reaction products are found to be consistent with a resonance in Si-21 at E-X = 48.9 MeV, with spin J = 17 +/-1. The decay properties of the states in Mg-24, populated following alpha -decay of the resonance, suggest that the state in Si-28 possesses a triaxial structure linked to a (sd)(8)(fp)(4) configuration. (C) 2001 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)147-156
Number of pages10
JournalNuclear Physics A
Publication statusPublished - 5 Nov 2001


  • angular correlations
  • Si-28 deduced resonance energy
  • spin
  • measured particle spectra
  • E=75 MeV
  • C-12(O-16,(CC)-C-12-C-12)


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