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The Limiting Stellar Initial Mass for Black Hole Formation in Close Binary Systems
C. L. Fryer, A. Heger, N. Langer +1
We present models for the complete life and death of a 60 solar mass star evolving in a close binary system, from the main sequence phase to the formation of a compact remnant and…
Evolution and Explosion of Very Massive Primordial Stars
A. Heger, S. E. Woosley, I. Baraffe +1
While the modern stellar IMF shows a rapid decline with increasing mass, theoretical investigations suggest that very massive stars (>100 solar masses) may have been abundant in th…
Nucleosynthesis in Massive Stars With Improved Nuclear and Stellar Physics
T. Rauscher, A. Heger, R. D. Hoffman +1
We present the first calculations to follow the evolution of all stable nuclei and their radioactive progenitors in stellar models computed from the onset of central hydrogen burni…
The Nucleosynthetic Signature of Population III
A. Heger, S. E. Woosley
Growing evidence suggests that the first generation of stars may have been quite massive (~100-300 M_sun). Could these stars have left a distinct nucleosynthetic signature? We expl…
Nuclear Aspects of the s- and n-Processes in Massive Stars
T. Rauscher, A. Heger, S. E. Woosley +1
In order to study the processes creating intermediate and heavy nuclei in massive stars it is necessary to provide neutron capture cross sections and reaction rates close to stabil…