Near-barrier fusion of proton rich systems

Recent near-barrier measurements for fusion of the proton-halo system 8B + 58Ni (Aguilera E F et al. 2011 Pys. Rev. Lett. 107 092701) showed unexpected results. In contrast to previous results for neutron-halo systems, for instance, the respective fusion cross sections are enhanced for both, below-...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.492 (1), p.12002-7
Main Authors: Aguilera, E F, Martinez-Quiroz, E, Amador-Valenzuela, P, Gómez-Camacho, A, Kolata, J J
Format: Article
Language:English
Subjects:
Charging
Cross sections
Cross sections (physics)
Halos
Lead isotopes
Physics
Projectiles
Protons
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Summary:Recent near-barrier measurements for fusion of the proton-halo system 8B + 58Ni (Aguilera E F et al. 2011 Pys. Rev. Lett. 107 092701) showed unexpected results. In contrast to previous results for neutron-halo systems, for instance, the respective fusion cross sections are enhanced for both, below- and above-barrier energies. The charged nature of the halo could thus have an effect on the fusion mechanism. Within this context, in the present work the fusion cross sections for several proton rich systems are compared to each other. Three of these systems correspond to the same target, 58Ni (with projectiles of 3He, 7Be, and 8B), but data for 17F + 208Pb also are included. All these projectiles lie near the proton drip line. An appropriate scaling of the data is made to do the comparison and the results are discussed.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/492/1/012002