The Nucleosynthetic Signature of Population III

  title={The Nucleosynthetic Signature of Population III},
  author={A. Heger and S. Woosley},
  journal={The Astrophysical Journal},
  • A. Heger, S. Woosley
  • Published 2002
  • Physics
  • The Astrophysical Journal
  • Growing evidence suggests that the first generation of stars may have been quite massive (~100-300 M?). Could these stars have left a distinct nucleosynthetic signature? We explore the nucleosynthesis of helium cores in the mass range MHe = 64-133 M?, corresponding to main-sequence star masses of approximately 140-260 M?. Above MHe = 133 M?, without rotation and using current reaction rates, a black hole is formed, and no nucleosynthesis is ejected. For lighter helium core masses, ~40-63 M… CONTINUE READING
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