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Fusion of radioactive Sn132 with Ni64

  • J. F. Liangc(Author)
    ,
  • D. Shapirac(Author)
    ,
  • J. R. Beenec(Author)
    ,
  • C. J. Grossc(Author)
    ,
  • R. L. Varnerc(Author)
    ,
  • A. Galindo-Uribarric(Author)
  • ,
  • bUniversity of Tennessee
    ,
  • cOak Ridge National Laboratory
    ,
  • dState University of New York at Oswego
    ,
  • eRutgers University–New Brunswick
    ,
  • fUniversity of Notre Dame
Research Output: Contribution to journal Article Peer-review

Abstract

Evaporation residue and fission cross sections of radioactive Sn132 on Ni64 were measured near the Coulomb barrier. A large subbarrier fusion enhancement was observed. Coupled-channel calculations, including inelastic excitation of the projectile and target, and neutron transfer are in good agreement with the measured fusion excitation function. When the change in nuclear size and shift in barrier height are accounted for, there is no extra fusion enhancement in Sn132+Ni64 with respect to stable Sn+Ni64. A systematic comparison of evaporation residue cross sections for the fusion of even Sn112-124 and Sn132 with Ni64 is presented.

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