Measurements of angular distributions for elastic scattering in the B-11 + C-12 system were performed in the energy range from 15 to 40 MeV c.m. in congruent-to 2.5 MeV steps in broad angular regions up to about 170-degrees c.m. The optical-model parameters were determined from the analysis of the cross section at forward angles. The rise of cross section in the backward angles was explained as direct elastic transfer. From the distorted-wave Born approximation analysis, the values of proton spectroscopic factor in C-12 were found. They exhibit a strong energy dependence in the energy region between 5 and 40 MeV c.m.
ELASTIC TRANSFER IN THE B-11+C-12 SYSTEM IN THE CM ENERGY-RANGE 5-40 MEV
ALBERGO, Sebastiano Francesco;COSTA, Salvatore;TUVE', Cristina Natalina;
1991-01-01
Abstract
Measurements of angular distributions for elastic scattering in the B-11 + C-12 system were performed in the energy range from 15 to 40 MeV c.m. in congruent-to 2.5 MeV steps in broad angular regions up to about 170-degrees c.m. The optical-model parameters were determined from the analysis of the cross section at forward angles. The rise of cross section in the backward angles was explained as direct elastic transfer. From the distorted-wave Born approximation analysis, the values of proton spectroscopic factor in C-12 were found. They exhibit a strong energy dependence in the energy region between 5 and 40 MeV c.m.| File | Dimensione | Formato | |
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Phys. Rev. C 43(1991)2704-2710.pdf
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