Elsevier

Nuclear Physics A

Volume 474, Issue 2, 23 November 1987, Pages 499-517
Nuclear Physics A

The 13C(p̄, d)12C reaction at 119 MeV

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Abstract

Differential cross sections and analysing powers for transitions to many residual states of 12C below 20 MeV excitation energy have been measured for the (p̄, d) reaction on 13C at 119 MeV. Distorted wave Born approximation calculations using either adiabatic or conventional deuteron elastic scattering potentials were unable to adequately reproduce the cross-section and analysing power data for the strongest observed transitions. In order to improve the fits to both these sets of data it was necessary to include an imaginary spin-orbit term in the deuteron potential. The spectroscopic factors deduced in this analysis are, however, smaller than theoretical predictions. The mechanisms for the population of the observed weak residual states are discussed semi- quantitatively, and for the higher excitation energy region, a comparison to the known level structure of 12C is made.

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