Mathematics – Logic
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1279..254t&link_type=abstract
DECIPHERING THE ANCIENT UNIVERSE WITH GAMMA-RAY BURSTS. AIP Conference Proceedings, Volume 1279, pp. 254-257 (2010).
Mathematics
Logic
Astrophysical Jets, Supernovae, Gamma-Ray Sources (Astronomical), Nucleosynthesis, Jets, Outflows, And Bipolar Flows, Supernovae, Gamma-Ray Sources, Gamma-Ray Bursts, Origin, Formation, And Abundances Of The Elements
Scientific paper
Jet-induced supernovae (SNe) have been suggested to take place in gamma-ray bursts (GRBs) and highly-energetic SNe (hypernovae). I summarize hydrodynamical and nucleosynthetic properties of the jet-induced explosion of a population (Pop) III 40 Msolar star. In particular, I present the aspherical effect on nucleosynthetic yield and its dependence on properties of the relativistic jets. Nucleosynthesis in Pop III SNe can be constrained by abundance patterns of extremely metal-poor (EMP) stars which were formed in the early universe. The jet-induced SNe acquire favorable features for EMP stars as follows: (1) the ejection of Fe-peak products and the fallback of unprocessed materials are compatibly realized and (2) the varieties of energy deposition rates in the jet-induced SNe explains a trend of [C/Fe] in the EMP stars. Furthermore, the variation of energy deposition rates lead the variation of ejected 56Ni(Fe) masses, and thus can explain both GRB-associated SNe and GRBs without bright SNe, GRBs 060505 and 060614. Therefore, I propose the analogical origins of GRBs and EMP stars and their connection.
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