Evidence of strong effects of the 11Be halo structure on reaction processes at energies around the Coulomb barrier

Di Pietro A. Amorini F. Figuera P. Fisichella M. Lattuada M. Musumarra A. Papa M. Pellegriti M.G. Randisi G. Rizzo F. Santonocito D. Scalia G. Scuderi V. Strano E. Torresi D. Acosta L. Martel I. Pérez-Bernal F. Borge M.J.G. Maira Vidal A. Tengblad O. Fraile L.M. Jeppesen H. Voulot D. Wenander F. Gomez-Camacho J. Gomez-Camacho J. Milin M. Raabe R. Zadro M.
Journal of Physics: Conference Series
Doi 10.1088/1742-6596/312/8/082020
Volumen 312
Citas: 0
The collision induced by the three Beryllium isotopes, 9,10,11Be, on 64Zn target were investigated at Ec.m. ? 1.4 the Coulomb barrier. Elastic scattering angular distributions were measured for the 9,10Be collisions whereas, in the 11Be case the quasielastic scattering angular distribution was obtained. A strong damping of the quasielastic cross-section was observed in the 11Be case, especially in the angular range around the Coulomb-nuclear interference peak. In this latter case a large total-reaction cross-section is found, more than a factor of two larger than the ones extracted in the reactions induced by the non-halo Beryllium isotopes. A large contribution to the total-reaction cross-section in the 11Be case could be attributed to transfer and/or break-up events.
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