Nuclear and Coulomb Interaction in the 8B to 7Be + p Breakup Reaction at sub-Coulomb Energies
V. Guimaraes, J. J. Kolata, D. Peterson, P. Santi, R. H. White-Stevens, S. M. Vincent, F. D. Becchetti, M. Y. Lee, T. W. O'Donnell, D. A. Roberts, J. A. Zimmerman
Abstract
The angular distribution for the breakup of 8B into 7Be+p on a 58Ni target has been measured at an incident energy of 25.75 MeV. The data are inconsistent with first-order theories but are remarkably well described by calculations including higher-order effects. The comparison with theory illustrates the importance of the exotic proton halo structure of 8B in accounting for the observed breakup angular distribution.
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