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astro-ph.SR2024
Production of Lithium and Heavy Elements in AGB Stars Experiencing PIEs
A. Choplin, L. Siess, S. Goriely +1
Asymptotic giant branch (AGB) stars can experience proton ingestion events (PIEs), leading to a rich nucleosynthesis. During a PIE, the intermediate neutron capture process (i-proc…
astro-ph.SR2024
Proton ingestion in asymptotic giant branch stars as a possible explanation for J-type stars and AB2 grains
A. Choplin, L. Siess, S. Goriely
J-type stars are a subclass of carbon stars that are generally Li-rich, not enriched in s-elements, and have low C/C ratios. They were suggested to be the manufacture…
astro-ph.SR2024
The intermediate neutron capture process. V. The i-process in AGB stars with overshoot
A. Choplin, L. Siess, S. Goriely +1
The intermediate neutron capture process (i-process) can develop during proton ingestion events (PIE), potentially during the early stages of low-mass low-metallicity asymptotic gi…