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

Pietro, A Di and Amorini, F and Figuera, P and Fisichella, M and Lattuada, M and Musumarra, A and Papa, M and Pellegriti, M G and Randisi, G and Rizzo, F and Santonocito, D and Scalia, G and Scuderi, V and Strano, E and Torresi, D and Acosta, L and Martel, I and Perez-Bernal, F and Borge, M J G and Vidal, A Maira and Tengblad, O and Fraile, L M and Jeppesen, H and Voulot, D and Wenander, F and Gomez-Camacho, J and Milin, Matko and Raabe, R and Zadro, Mile (2011) Evidence of strong effects of the 11Be halo structure on reaction processes at energies around the Coulomb barrier. Journal of Physics: Conference Series, 312 (8). pp. 82020-6. ISSN 1742-6588

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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.

Item Type: Article
Keywords: elastic scattering, Beryllium isotopes, reaction cross section, halo effect
Date: 2011
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: © 2011 Institute of Physics. Published under licence by IOP Publishing Ltd.
Divisions: Faculty of Science > Department of Physics
Project code: 098-1191005-2890
Publisher: IOP Publishing
Depositing User: Matko Milin
Date Deposited: 29 Apr 2016 19:05
Last Modified: 30 Apr 2016 07:38
URI: http://digre.pmf.unizg.hr/id/eprint/4797

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