Effects of coupling to breakup in the Li6,7+Zn64 systems at near-barrier energies

J. P. Fernández-García, M. Zadro, A. Di Pietro, P. Figuera, M. Fisichella, O. Goryunov, M. Lattuada, C. Marchetta, A. M. Moro, A. Musumarra, V. Ostashko, M. G. Pellegriti, V. Scuderi, E. Strano, and D. Torresi
Phys. Rev. C 92, 054602 – Published 3 November 2015

Abstract

Elastic scattering angular distributions for the weakly bound nucleus Li7 on Zn64 have been measured in a wide angular range at energies around the Coulomb barrier. The present experimental data and our previously measured elastic scattering data for the system Li6+Zn64 have been analyzed within the continuum-discretized coupled-channels method, where the resonant and nonresonant states of the projectile are taken into account. In this theoretical framework, we have also analyzed our previously measured excitation functions of elastic scattering at backward angles and the corresponding barrier distributions for the same systems. A good agreement between the experimental data and the calculations has been observed. The obtained results, besides confirming the importance of the coupling to the breakup channels in collisions with weakly bound nuclei, show that, in the case of Li6, the inclusion of the resonant states of the projectile produces non-negligible effects.

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  • Received 13 May 2015
  • Revised 8 October 2015

DOI:https://doi.org/10.1103/PhysRevC.92.054602

©2015 American Physical Society

Authors & Affiliations

J. P. Fernández-García1,*, M. Zadro2, A. Di Pietro1, P. Figuera1, M. Fisichella1, O. Goryunov3, M. Lattuada1,4, C. Marchetta1, A. M. Moro5, A. Musumarra1,4, V. Ostashko3, M. G. Pellegriti1,4, V. Scuderi1,4, E. Strano1,4, and D. Torresi1,4

  • 1INFN, Laboratori Nazionali del Sud, via S. Sofia 62, I-95123 Catania, Italy
  • 2Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
  • 3Institute for Nuclear Research, Prospekt Nauki, UA-03680 Kiev, Ukraine
  • 4Dipartamento di Fisica e Astronomia, via S. Sofia 64, I-95123 Catania, Italy
  • 5Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain

  • *fernandez@lns.infn.it

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Vol. 92, Iss. 5 — November 2015

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