A test of the zero-range DWBA method at astrophysical energies

Details A test of the zero-range DWBA method at astrophysical energies A test of the zero-range DWBA method at astrophysical energies

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005epja...23..435a&link_type=abstract

The European Physical Journal A, Volume 23, Issue 3, pp.435-443

Astronomy and Astrophysics

Astrophysics

24.10.-I Nuclear Reaction Models And Methods, 24.10.Eq Coupled-Channel And Distorted-Wave Models

Scientific paper

The DWBA method is tested through a comparison with a microscopic cluster model on the 13C (α, n) 16O reaction in the energy range E = 0-5MeV, relevant for nuclear astrophysics. The conditions of the calculation are as close as possible to the reference model, i.e. the nucleus-nucleus potentials are phase equivalent, and the spectroscopic factors are identical. We find significant differences between both approaches, which means that antisymmetrization effects, missing in the DWBA, are important. Our work also points out the strong sensitivity of the DWBA with input parameters.

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