Elastic Scattering and Reaction Mechanisms of the Halo Nucleus 11Be around the Coulomb Barrier

Di Pietro, A. and Randisi, G. and Scuderi, V. and Acosta, L. and Amorini, F. and Borge, M. J. G. and Figuera, P. and Fisichella, M. and Fraile, L. M. and Gomez-Camacho, J. and Jeppesen, H. and Lattuada, M. and Martel, I. and Milin, Matko and Musumarra, A. and Papa, M. and Pellegriti, M. G. and Perez-Bernal, F. and Raabe, R. and Rizzo, F. and Santonocito, D. and Scalia, G. and Tengblad, O. and Torresi, D. and Vidal, A. Maira and Voulot, D. and Wenander, F. and Zadro, Mile (2010) Elastic Scattering and Reaction Mechanisms of the Halo Nucleus 11Be around the Coulomb Barrier. Physical Review Letters, 105 (2). pp. 22701-5. ISSN 0031-9007

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Collisions induced by 9, 10, 11Be on a 64Zn target at the same c.m. energy were studied. For the first time, strong effects of the 11Be halo structure on elastic-scattering and reaction mechanisms at energies near the Coulomb barrier are evidenced experimentally. The elastic-scattering cross section of the 11Be halo nucleus shows unusual behavior in the Coulomb-nuclear interference peak angular region. The extracted total-reaction cross section for the 11Be collision is more than double the ones measured in the collisions induced by 9, 10Be. It is shown that such a strong enhancement of the total-reaction cross section with 11Be is due to transfer and breakup processes.

Item Type: Article
Keywords: scattering cross section on halo nucleus, 11Be, transfer and breakup processes
Date: July 2010
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2010) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 098-1191005-2890
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 03 Jun 2014 11:55
Last Modified: 24 Feb 2016 15:31
URI: http://digre.pmf.unizg.hr/id/eprint/2039

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