Fusion reactions with germanium isotopes

Phys. Rev. C 68, 034604 – Published 4 September 2003
H. Esbensen


Measurements of the fusion of 16O and 27Al with a series of germanium isotopes are analyzed within a coupled-channels approach. It is found that couplings based interactions that are linear in the deformation amplitudes are insufficient in reproducing the data. In order to obtain reasonable fits, it is necessary also to include couplings based on quadratic interactions. The analysis suggests that the nuclear radius of 72Ge is significantly smaller than predicted from a smooth interpolation between other germanium isotopes. The large prolate deformation of 74Ge, which has been proposed as the preferred solution to measurements of the quadrupole moment of the 2+ state, is not supported by the analysis; the near spherical solution is more likely.

DOI: http://dx.doi.org/10.1103/PhysRevC.68.034604

  • Received 22 May 2003
  • Published 4 September 2003

© 2003 The American Physical Society

Authors & Affiliations

H. Esbensen

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA

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