Indirect techniques in nuclear astrophysics

Details Indirect techniques in nuclear astrophysics Indirect techniques in nuclear astrophysics

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..847..255m&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: International Symposium on Origin of Matter and Evolution of Galaxies 2005: New Hori

Astronomy and Astrophysics

Astrophysics

Mathematical Procedures And Computer Techniques, Elementary Particle Processes, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

We address two important indirect techniques, the asymptotic normalization coefficient (ANC) and the Trojan Horse (TH) methods. We discuss the application of the ANC technique to determine the astrophysical factor for the 13C(α, n)16O reaction which is one of the neutron generators for the s processes in the AGB stars. The TH method is unique indirect technique allowing one to measure astrophysical rearrangement reactions down to astrophysically relevant energies. Using a simple model, we demonstrate that off-energy-shell and Coulomb effects in the entry channel and the final state nuclear interaction do not change the energy dependence of the astrophysical factor extracted from the TH reaction.

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