We measured the B-10(p,alpha(0))Be-7 reaction in the bombarding energy domain of 0.6-1.0 MeV, a region where very few data (with large uncertainties) have been reported in the literature. Despite the experimental difficulties, due to the unfavourable reaction kinematics and the presence of contaminants in the B-10 target, we were able to measure excitation functions at both forward and backward angles thanks to the use of the inverse absorber technique. The obtained angular distributions show a continuous shape evolution, testifying to the contributions of several resonant states in the C-11 compound nucleus. An R-matrix analysis of some reaction and scattering channels allows us to refine the spectroscopy of C-11 excited states.
New investigations of the B-10(p,alpha(0))Be-7 reaction at bombarding energies between 0.6 and 1MeV
Lombardo I;LAMIA, LIVIO;
2016-01-01
Abstract
We measured the B-10(p,alpha(0))Be-7 reaction in the bombarding energy domain of 0.6-1.0 MeV, a region where very few data (with large uncertainties) have been reported in the literature. Despite the experimental difficulties, due to the unfavourable reaction kinematics and the presence of contaminants in the B-10 target, we were able to measure excitation functions at both forward and backward angles thanks to the use of the inverse absorber technique. The obtained angular distributions show a continuous shape evolution, testifying to the contributions of several resonant states in the C-11 compound nucleus. An R-matrix analysis of some reaction and scattering channels allows us to refine the spectroscopy of C-11 excited states.File | Dimensione | Formato | |
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