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Two-neutron elastic transfer 4He(6He,4He)6He at E = 151 MeV

  • I.V. Krouglov
  • M. Avrigeanu
  • W. von Oertzen

Abstract:

Using the framework of the coupled reaction channels (CRC) the elastic scattering and the elastic transfer in the system 6He + 4He measured at E = 151 MeV have been analysed. It is shown that the structure observed in the backward range of the angular distributions is influenced by the interference of the elastic 2n-transfer with a two-step process passing through the 2+ excitation in 6He. The two-neutron transfer mechanism is studied in the microscopic approach and it is found that for the ground-state transition the one step dominates by a factor 10 over the two-step mechanism at this energy.

PACS. 24.10.Eq Coupled-channel and distorted-wave models – 25.70.Bc Elastic and quasielastic scattering – 25.60.Bx Elastic scattering 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2001

Authors and Affiliations

  • I.V. Krouglov
    • 1
  • M. Avrigeanu
    • 2
  • W. von Oertzen
    • 1
  1. 1.Hahn-Meitner-Institut Berlin, Glienicker Strasse 100, 14109 Berlin, GermanyDE
  2. 2.“Horia Hulubei" National Institute for Physics and Nuclear Engineering, P.O. Box MG-6, 76900 Bucharest, RomaniaRO

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