Elastic Scattering and Reaction Mechanisms of the Halo Nucleus Be11 around the Coulomb Barrier

A. Di Pietro et al.
Phys. Rev. Lett. 105, 022701 – Published 6 July 2010

Abstract

Collisions induced by Be9,10,11 on a Zn64 target at the same c.m. energy were studied. For the first time, strong effects of the Be11 halo structure on elastic-scattering and reaction mechanisms at energies near the Coulomb barrier are evidenced experimentally. The elastic-scattering cross section of the Be11 halo nucleus shows unusual behavior in the Coulomb-nuclear interference peak angular region. The extracted total-reaction cross section for the Be11 collision is more than double the ones measured in the collisions induced by Be9,10. It is shown that such a strong enhancement of the total-reaction cross section with Be11 is due to transfer and breakup processes.

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  • Received 7 March 2010

DOI:https://doi.org/10.1103/PhysRevLett.105.022701

©2010 American Physical Society

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Vol. 105, Iss. 2 — 9 July 2010

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