Abstract
Angular distributions for 9Be(d, p0)10Be, 9Be(d, p1)10Be and 9Be(d, t0)8Be have been measured at 21 energies in the range from 0.9 to 3.1 MeV. The coefficients of expansion into Legendre polynomials of the experimental data and the DWBA cross sections calculated with energy-independent spectroscopic factors, have been compared. Arguments based on this comparison and the available data below 0.9 MeV are presented in favor of the hypothesis that DWBA fails to predict the energy dependence of the matrix elements associated with the deuteron p-wave. A broad resonance (Ex(11B) = 17.3 MeV) strongly excited in the 9Be(d, p1)10Be reaction at tEd = 1.85 MeV is suggested to be responsible for the discrepancies. It is suggested that the narrow 16.43, 17.70 and 18.37 MeV resonances recently observed in 11B have isospin T = 32.
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