Abstract
The (p, pn) reaction on 2H, 6Li, 7Li, 9Be has been studied at 47 MeV bombarding energy. Excitation energy spectra and energy sharing spectra are presented. Fragmentary information on 10B, 11B and 12C was also obtained. Sequential decay contributions to the 6Li(p, pn) 5Li ∗ reaction suggest an admixture of parentage (α)π( p 1 2 )π( d 5 2 ) for the (3 −), 23 MeV excited state of 6Be. A possible 15.5 MeV excited state in 6Be is reported. An extensive study of the 9Be (p, pn) 8Be reaction for 45 MeV protons was made. Results for θ p = θ n = 25°, 30°, 35°, 40°, 45°, 55°, 65°; θ n = 40°, θ p = 25°, 30°, 35°, 40°, 45°, 55°, 65°; θ p/ θ n = 40°/45°, 38.5° are reported and compared to DWIA calculations. Agreement is good when the lower momentum components of the wave function are sampled, and deteriorates as higher momenta are required. Results are in agreement with the Cohen and Kurath spectroscopic factors for 9Be.
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