Astrophysical factor for the neutron generator 13C(alpha,n)16O reaction in the AGB stars

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dc.creatorJohnson, E. D.
dc.creatorRogachev, G. V.
dc.creatorMukhamedzhanov, A. M.
dc.creatorBaby, L. T.
dc.creatorBrown, S.
dc.creatorCluff, W. T.
dc.creatorCrisp, A. M.
dc.creatorDiffenderfer, E.
dc.creatorGoldberg, V. Z.
dc.creatorGreen, B. W.
dc.creatorHinners, T.
dc.creatorHoffman, C. R.
dc.creatorKemper, K. W.
dc.creatorMomotyuk, O.
dc.creatorPeplowski, P.
dc.creatorPipidis, A.
dc.creatorReynolds, R.
dc.creatorRoeder, B. T.
dc.date2006-05-18
dc.date.accessioned2026-07-07T07:14:50Z
dc.date.available2026-07-07T07:14:50Z
dc.descriptionThe reaction 13C(alpha,n) is considered to be the main source of neutrons for the s-process in AGB stars. At low energies the cross section is dominated by the 1/2+ 6.356 MeV sub-threshold resonance in 17O whose contribution is determined with a very large uncertainty of ~1000% at stellar temperatures. In this work we performed the most precise determination of the low-energy astrophysical S factor using the indirect asymptotic normalization (ANC) technique. The alpha-particle ANC for the sub-threshold state has been measured using the sub-Coulomb alpha-transfer reaction (6Li,d). Using the determined ANC we calculated S(0), which turns out to be an order of magnitude smaller than in the NACRE compilation.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0605024
dc.identifierhttp://arxiv.org/abs/nucl-ex/0605024
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/113044
dc.subjectNuclear Experiment
dc.subjectAstrophysics
dc.titleAstrophysical factor for the neutron generator 13C(alpha,n)16O reaction in the AGB stars
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