R-matrix Analysis of the 10B(p,α)7Be and 11B(p,α)8Be Reactions at Stellar Energies

Details R-matrix Analysis of the 10B(p,α)7Be and 11B(p,α)8Be Reactions at Stellar Energies R-matrix Analysis of the 10B(p,α)7Be and 11B(p,α)8Be Reactions at Stellar Energies

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..831..557t&link_type=abstract

FRONTIERS IN NUCLEAR STRUCTURE, ASTROPHYSICS, AND REACTIONS - FINUSTAR. AIP Conference Proceedings, Volume 831, pp. 557-559 (20

Astronomy and Astrophysics

Astrophysics

Radiative Capture, 6<=A<=19, Nuclear Reaction Models And Methods, Hydrostatic Stellar Nucleosynthesis, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

The available experimental astrophysical S(E) factor data for the 10B(p,α0.1)7Be and 11B(p,α0.1)8Be reactions have been analyzed over the C.M. proton energy ranges up to E = 1.00 MeV and 1.45 MeV, respectively, using the R-matrix theory. The extrapolated SBN(E) factor values for bare nuclei led to a stellar rate consistent with the most recent calculations in the case of the 11B(p,α)8Be reaction, and to a 10B(p,α)7Be rate significantly different from previously reported ones at the lowest stellar temperatures. The electron screening enhancement factors have also been extracted. Mainly results concerning the 10B(p,α)7Be reaction are presented here.

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