Computer Science
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..990..291n&link_type=abstract
FIRST STARS III: First Stars II Conference. AIP Conference Proceedings, Volume 990, pp. 291-296 (2008).
Computer Science
Population Iii Stars, Origin, Formation, And Abundances Of The Elements, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Supernovae, Gamma-Ray Sources, Gamma-Ray Bursts, Abundances, Chemical Composition
Scientific paper
We present the nucleosynthetic yields of Population III core-collapse supernovae (SNe) focusing on the cases of hyper-energetic (Hypernovae, HNe) and hyper-aspherical (jet-induced) explosions. We show that (1) the explosions with large energy deposition rate, Ėdep, are observed as GRB-HNe and their yields can explain the abundances of normal extremely metal-poor (EMP) stars, and (2) the explosions with small Ėdep are observed as GRBs without bright SNe and can be responsible for the formation of the C-rich EMP (CEMP) and the hyper metal-poor (HMP) stars. We thus propose that GRB-HNe and the Non-SN GRBs (dark hypernovae) belong to a continuous series of BH-forming massive stellar deaths with the relativistic jets of different Ėdep. We also show that the very peculiar Si-poor abundance can also be explained by the angle-delimited yield of aspherical explosion.
Maeda Kengo
Nomoto Ken
Tanaka Masao
Tominaga Nozomu
Umeda Hideyuki
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