Reactions induced by the halo nucleus He at energies around the Coulomb barrier

A. Di Pietro, P. Figuera, F. Amorini, C. Angulo, G. Cardella, S. Cherubini, T. Davinson, D. Leanza, J. Lu, H. Mahmud, M. Milin, A. Musumarra, A. Ninane, M. Papa, M.G. Pellegriti, R. Raabe, F. Rizzo, C. Ruiz, A.C. Shorter, N. SoićS. Tudisco, L. Weissman

Research output: Contribution to journalArticlepeer-review

Abstract

The reaction He+ Zn was studied in order to investigate the effects of the projectile neutron-halo structure on the reaction mechanism at energies around the Coulomb barrier. Elastic scattering angular distributions, transfer/breakup angular distributions, and fusion excitation functions have been measured, Due to the lowrecoil energy of the evaporation residues and the low intensity of the He beam, the fusion cross section was measured by detecting off-line the atomic x-ray emission which follows the electron capture decay of the evaporation residues. For comparison the reaction He+ Zn was studied using the same technique. The data for the reaction He+ Zn show that the transfer and breakup mechanisms account for almost 80% of the total reaction cross section, moreover we do not observe an enhancement of the fusion cross section when compared with the He+ Zn reaction.
Original languageEnglish
JournalPhysical Review C
Volume69
Issue number4
DOIs
Publication statusPublished - 1 Apr 2004

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