5 papers
Nucleosynthesis of Pop III and Fe-enriched Pop II Pair-Instability Supernovae
Wenyu Xin, Ken'ichi Nomoto, Chun-Ming Yip +4
Recently discovered very metal-poor (VMP) star LAMOST J1010+2358 shows a peculiar abundance pattern that is remarkably well fit by a Pop III pair-instability supernova (PISN) of $\…
The Impact of the New Fe Decay Rates on Fe and Al Nucleosynthesis in Massive Stars
Bingyang Tan, Wenyu Xin, Ruizheng Jiang +2
The diffuse -ray emission from short-lived radioactive Al and Fe provides a direct probe of ongoing nucleosynthesis in the Galaxy. However, theoretical models hav…
Constraints on the CO and O+O Reaction Rates from Binary Black Holes Detected via Gravitational Wave Signals
Wenyu Xin, Xiaokun Hou, Xianfei Zhang +2
Gravitational-wave observations of binary black hole (BH) mergers provide a novel avenue for testing massive-star evolution and the resulting BH mass spectrum. Recent population an…
Abundance Pattern Fitting with Bayesian Inference: Constraining First Stars' Properties and Their Explosion Mechanism with Extremely Metal-poor Stars
Ruizheng Jiang, Haining Li, Gang Zhao +2
The abundance patterns of extremely metal-poor stars preserve a fossil record of the Universe's earliest chemical enrichment by the supernova explosions from the evolution of first…
The Impact of C()O Reaction on the Presupernova Evolution and Supernova Explodability of Massive Stars
Wenyu Xin, Ken'ichi Nomoto, Gang Zhao
Among the uncertainties of stellar evolution theory, we investigate how the C()O reaction rate affects the evolution of massive stars for the initial masses o…