Elastic and inelastic scattering for the B11+Ni58 system: Target and projectile reorientation effects

Abstract : Full angular distributions for elastic and inelastic scattering of B11 on Ni58 have been measured at different bombarding energies around the Coulomb barrier. Measurement and analysis with coupled-channel calculations have been performed for the first time for a system with the tightly bound B11 as projectile on a medium mass target. In these calculations, the real part of the interaction potential between nuclei was represented by a parameter-free double-folding potential. To avoid the use of an imaginary potential at the surface, several inelastic transitions of the projectile and the target have been included in the coupling matrix. The result of these coupled-channel calculations are in very good agreement with all experimental angular distributions. The most important result was the striking influence on the reaction mechanism of the ground-state-spin reorientation of the B11 nuclei.
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Submitted on : Monday, January 18, 2016 - 3:34:07 PM
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N. N. Deshmukh, V. Guimarães, E. Crema, D. Abriola, A. Arazi, et al.. Elastic and inelastic scattering for the B11+Ni58 system: Target and projectile reorientation effects. Physical Review C, American Physical Society, 2015, 92 (5), pp.054615. ⟨10.1103/PhysRevC.92.054615⟩. ⟨in2p3-01258043⟩

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