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Presupernova evolution and explosive nucleosynthesis in massive stars for main-sequence masses from 13 $M_\odot$ to 70 $M_\odot$ are calculated. We examine the dependence of the supernova yields on the stellar mass, $^{12}C(\alpha, \gamma)…

Astrophysics · Physics 2009-10-30 K. Nomoto , M. Hashimoto , T. Tsujimoto , F. -K. Thielemann , N. Kishimoto , Y. Kubo

After decades of one-dimensional nucleosynthesis calculations, the growth of computational resources has meanwhile reached a level, which for the first time allows astrophysicists to consider performing routinely realistic multidimensional…

Astrophysics · Physics 2009-10-31 K. Kifonidis , T. Plewa , E. Mueller

We have performed the first calculations to follow the evolution of all stable nuclei and their radioactive progenitors in a finely-zoned stellar model computed from the onset of central hydrogen burning through explosion as a Type II…

Astrophysics · Physics 2009-10-31 T. Rauscher , A. Heger , R. D. Hoffman , S. E. Woosley

We present a new set of presupernova evolutions and explosive yields of massive stars of initial solar composition (Y=0.285, Z=0.02) in the mass range 13-35 Msun. All the models have been computed with the latest version (4.97) of the…

Astrophysics · Physics 2009-11-07 M. Limongi , A. Chieffi

We present the basic properties of the yields of our latest set of presupernova evolution and explosive nucleosynthesis of massive stars in the range between 11 and 120 Msun having solar and zero metallicity.

Astrophysics · Physics 2009-11-11 M. Limongi , A. Chieffi

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 burning through explosion as Type II supernovae. Calculations are…

Astrophysics · Physics 2008-11-26 T. Rauscher , A. Heger , R. D. Hoffman , S. E. Woosley

Nucleosynthetic yield predictions for multi-dimensional simulations of thermonuclear supernovae generally rely on the tracer particle method to obtain isotopic information of the ejected material for a given supernova simulation. We…

Solar and Stellar Astrophysics · Physics 2015-05-19 Ivo Rolf Seitenzahl , Friedrich Röpke , Michael Fink , Rüdiger Pakmor

We present a comprehensive study of s-process nucleosynthesis in 15, 20, 25, and 30 $\msun$ stellar models having solar-like initial composition. The stars are evolved up to ignition of central neon with a 659 species network coupled to the…

Astrophysics · Physics 2007-05-23 L. -S. The , M. F. El Eid , B. S. Meyer

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 stability and for moderately unstable neutron-rich nuclei.…

Astrophysics · Physics 2007-05-23 T. Rauscher , A. Heger , S. E. Woosley , R. D. Hoffman

The gravitational collapse, bounce, the explosion of an iron core of an 11.2 $M_{\odot}$ star is simulated by two-dimensional neutrino-radiation hydrodynamic code. The explosion is driven by the neutrino heating aided by multi-dimensional…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Yudai Suwa

We present the results of nucleosynthesis calculations based on multidimensional (2D and 3D) hydrodynamical simulations of the thermonuclear burning phase in SNIa. The detailed nucleosynthetic yields of our explosion models are calculated…

Astrophysics · Physics 2009-11-10 C. Travaglio , W. Hillebrandt , M. Reinecke , F. -K. Thielemann

We present a nucleosynthesis calculation of a 25 solar mass star of solar composition that includes all relevant isotopes up to polonium. In particular, all stable isotopes and necessary nuclear reaction rates are covered. We follow the…

Astrophysics · Physics 2015-06-24 A. Heger , S. E. Woosley , T. Rauscher , R. D. Hoffman , M. M. Boyes

This review concentrates on nucleosynthesis processes in general and their applications to massive stars and supernovae. A brief initial introduction is given to the physics in astrophysical plasmas which governs composition changes. We…

We have performed 1-dimensional calculations for explosive nucleosynthesis in collapse-driven supernova and investigated its sensitivity to the initial form of the shock wave. We have found the tendency that the peak temperature becomes…

Astrophysics · Physics 2015-06-24 S. Nagataki , M. Hashimoto , S. Yamada

Core-collapse supernovae (CCSNe) are the extremely energetic deaths of massive stars. They play a vital role in the synthesis and dissemination of many heavy elements in the universe. In the past, CCSN nucleosynthesis calculations have…

Supernova models with a full spectral treatment of the neutrino transport are presented, employing the Prometheus/Vertex neutrino-hydrodynamics code with a ``ray-by-ray plus'' approximation for treating two- (or three-) dimensional…

Astrophysics · Physics 2008-11-26 R. Buras , M. Rampp , H. -Th. Janka , K. Kifonidis

Though the neutrino-driven convection model for the core-collapse explosion mechanism has received strong support in recent years, there are still many uncertainties in the explosion parameters -- such as explosion energy, remnant mass, and…

High Energy Astrophysical Phenomena · Physics 2020-02-19 Sydney Andrews , Chris L. Fryer , Samuel W. Jones , Wesley P. Even , Marco Pignatari

This overview discusses issues relevant to modeling nucleosynthesis in type II supernovae and implications of detailed studies of the ejecta. After a brief presentation of the most common approaches to stellar evolution and parameterized…

Astrophysics · Physics 2007-05-23 T. Rauscher

We investigate explosive nucleosynthesis in a non-rotating 15$M_\odot$ star with solar metallicity that explodes by a neutrino-heating supernova (SN) mechanism aided by both standing accretion shock instability (SASI) and convection. To…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Shin-ichiro Fujimoto , Kei Kotake , Masa-aki Hashimoto , Masaomi Ono , Naofumi Ohnishi

We present the first calculations to follow the evolution of all stable isotopes (and their abundant radioactive progenitors) in a finely zoned stellar model computed from the onset of central hydrogen burning through explosion as a Type II…

Astrophysics · Physics 2007-05-23 A. Heger , R. D. Hoffman , T. Rauscher , S. E. Woosley
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