Reaction rate uncertainties and 26Al in AGB silicon carbide stardust
Context: Stardust is a class of presolar grains each of which presents an ideally uncontaminated stellar sample. Mainstream silicon carbide (SiC) stardust formed in the extended envelopes of carbon-rich asymptotic giant branch (AGB) stars and incorporated the radioactive nucleus 26Al as a trace element. Aims: The aim of this paper is to analyse in detail the effect of nuclear uncertainties, in particular the large uncertainties of up to four orders of magnitude related to the 26Alg(p, γ) 27Si...[Show more]
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|Source:||Astronomy and Astrophysics|
|01_van Raai_Reaction_rate_uncertainties_2008.pdf||320.55 kB||Adobe PDF||Request a copy|
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