Evidence of strong effects of the 11Be halo structure on reaction processes at energies around the Coulomb barrier
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Abstract
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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Bibliographic citation
Di Pietro, A., Amorini, F., 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 Sánchez, L.a., Martel Bravo, I., Pérez Bernal, F., Borge, M.J.G., Maira Vidal, A., Tengblad, O., Fraile, L.M., Jeppesen, H., Voulot, D., Wenander, F., Gómez Camacho, J., Milin, M., Raabe, R., Zadro, M.: "Evidence of strong effects of the 11Be halo structure on reaction processes at energies around the Coulomb barrier". Journal of Physics: Conference Series. Vol. 312, 082020 (2011). ISSN 1742-6588
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