Analysis of 8Li(α,n)11B below the Coulomb barrier in the potential model

Details Analysis of 8Li(α,n)11B below the Coulomb barrier in the potential model Analysis of 8Li(α,n)11B below the Coulomb barrier in the potential model

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvc..45.1996r&link_type=abstract

Physical Review C (Nuclear Physics), Volume 45, Issue 4, April 1992, pp.1996-2000

Physics

Nuclear Physics

9

Transfer Reactions, Origin, Formation, And Abundances Of The Elements, Direct Reactions

Scientific paper

The reaction 8Li(α,n)11B is of interest in inhomogeneous big bang nucleosynthesis. A distorted wave Born approximation calculation employing folding potentials is presented for energies below the Coulomb barrier. The recently observed resonance at about 540 keV center-of-mass energy can be reproduced. The astrophysical S factor is calculated for the ground-state transition as well as for the transitions to the first four excited states of 11B. The reaction rate is derived and compared to literature data. The inclusion of the excited states increases the rate by a factor of 1.5 compared to the ground-state transition.

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