The 7Li(p,γ)8Be reaction at astrophysical energies

Details The 7Li(p,γ)8Be reaction at astrophysical energies The 7Li(p,γ)8Be reaction at astrophysical energies

Nov 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..495..359s&link_type=abstract

Experimental nuclear physics in europe: Facing the next millennium. AIP Conference Proceedings, Volume 495, pp. 359-360 (1999).

Physics

Nuclear Physics

Radiative Capture, 6<=A<=19, Gamma Transitions And Level Energies, Spectroscopic Factors And Asymptotic Normalization Coefficients

Scientific paper

We calculate the (p,γ) capture to the 0+ ground state of 8Be by means of the E1 and M1 multipoles. Scattering states are obtained in a single-particle model using potentials that reproduce the elastic phase-shift of the 7Li+p system at low energies, and the 8Be g.s. is considered to be a pure single-particle p3/2 state outside a 7Li core. Describing the M1 resonance with a spectroscopic factor αM12, we obtain for the extrapolated astrophysical S-factor and for the M1 contribution at Elab=0, values of S(0)=0.27 keV-barn and σM1/σTOT=3%.

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