Updated S factors for the Be7(p,γ)B8 reaction

Details Updated S factors for the Be7(p,γ)B8 reaction Updated S factors for the Be7(p,γ)B8 reaction

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010phrvc..81a2801j&link_type=abstract

Physical Review C, vol. 81, Issue 1, id. 012801

Physics

5

Hydrostatic Stellar Nucleosynthesis, Solar Neutrinos, Radiative Capture

Scientific paper

We present revised Be7(p,γ)B8 S factors based on our previously published measurements, using a more detailed target analysis and improved stopping powers. Extrapolating our data below the 1+ resonance to solar energies using the latest cluster model calculations of Descouvemont, we find that S17(0)=21.5±0.6(expt) ± 0.7(theor) eV b. Fitting all modern, low-energy (p,γ) data with the same theory, we find a “best” value of S17(0)=20.9±0.6(expt) ± 0.7(theor) eV b.

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