88 citations · 748 across the 21 of their papers we have counts for
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New constraints on the major neutron source in low-mass AGB stars
Nan Liu, Roberto Gallino, Sergio Cristallo +4
We compare updated Torino postprocessing asymptotic giant branch (AGB) nucleosynthesis model calculations with isotopic compositions of mainstream SiC dust grains from low-mass AGB…
Extremely Cr- and Ti-rich presolar oxide grains in a primitive meteorite: Formation in rare types of supernovae and implications for the astrophysical context of solar system birth
Larry R. Nittler, Conel M. O'D. Alexander, Nan Liu +1
We report the identification of 19 presolar oxide grains from the Orgueil CI meteorite with substantial enrichments in Cr, with Cr/Cr ratios ranging from 1.2 t…
Common Occurrence of Explosive Hydrogen Burning in Type II Supernovae
Nan Liu, Thomas Stephan, Patrick Boehnke +6
We report Mo isotopic data for 16 15N-rich presolar SiC grains of type AB (14N/15N<solar, AB1) and their correlated Sr and Ba isotope ratios when available. Eight of the 16 AB1 gra…
Late formation of silicon carbide in type II supernovae
Nan Liu, Larry R. Nittler, Conel O'M. D. Alexander +1
We have found that individual presolar silicon carbide (SiC) dust grains from supernovae show a positive correlation between 49Ti and 28Si excesses, which is attributed to the radi…