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Core-collapse supernovae are among the most fascinating phenomena in astrophysics and provide a formidable challenge for theoretical investigation. They mark the spectacular end of the lives of massive stars and, in an explosive eruption,…

Solar and Stellar Astrophysics · Physics 2012-11-08 H. -Thomas Janka , Florian Hanke , Lorenz Huedepohl , Andreas Marek , Bernhard Mueller , Martin Obergaulinger

Nuclear astrophysics is a multi-disciplinary field with a huge demand for nuclear data. Among its various fields, stellar evolution and nucleosynthesis are clearly the most closely related to nuclear physics. The need for nuclear data for…

Nuclear Theory · Physics 2022-12-06 S. Goriely , A. Choplin , W. Ryssens , I. Kullmann

The explosion of a white dwarf of mass 1.36 M$_\odot$ has been simulated in three dimensions with the aid of a SPH code. The explosion follows the delayed detonation paradigma. In this case the deflagration-detonation transition is induced…

Astrophysics · Physics 2009-11-07 Domingo Garcia-Senz , Eduardo Bravo

Nuclear reactions govern major aspects of the chemical evolution od galaxies and stars. Analytic study of the reaction rates and reaction probability integrals is attempted here. Exact expressions for the reaction rates and reaction…

Astrophysics · Physics 2011-04-15 H. J. Haubold , A. M. Mathai

Reactions between atomic nuclei are measured in great detail in terrestrial laboratory experiments; transferring and extrapolating this knowledge to how the same reactions act within cosmic environments presents major challenges.…

High Energy Astrophysical Phenomena · Physics 2026-03-11 Roland Diehl , Michael Wiescher

The r-process nucleosynthesis in core-collapse supernovae (CC-SNe) is studied, with a focus on the explosion scenario induced by rotation and strong magnetic fields. Nucleosynthesis calculations are conducted based on magneto-hydrodynamical…

Solar and Stellar Astrophysics · Physics 2015-09-07 Nobuya Nishimura , Tomoya Takiwaki , Friedrich-Karl Thielemann

Many radioactive nuclei relevant for gamma-ray astrophysics are synthesized during explosive events, such as classical novae and supernovae. A review of recent results of explosive nucleosynthesis in these scenarios is presented, with a…

Astrophysics · Physics 2007-05-23 M. Hernanz

In this review, we emphasize the interplay between astrophysical observations, modeling, and nuclear physics laboratory experiments. Several important nuclear cross sections for astrophysics have long been identified e.g.…

Nuclear Experiment · Physics 2016-05-26 Alain Coc , Fairouz Hammache , Juergen Kiener

We review the nuclear physics input necessary for the study of the collapse of massive stars as precursor to supernova explosions. Recent theoretical advances for the calculation of the relevant weak-interaction processes and their…

Astrophysics · Physics 2009-11-10 G. Martinez-Pinedo , M. Liebendoerfer , D. Frekers

The main observational properties and resulting classification of supernovae (SNe) are briefly reviewed. Then we discuss the progress in modeling of two basic types of SNe - the thermonuclear and core-collapse ones, with special emphasis…

Astrophysics · Physics 2008-04-29 D. K. Nadyozhin

We examine the characteristics of nucleosynthesis in 'hypernovae', i.e., supernovae with very large explosion energies ($ \gsim 10^{52} $ ergs). We carry out detailed nucleosynthesis calculations for these energetic explosions and compare…

This review focuses on nuclear reactions in astrophysics and, more specifically, on reactions with light ions (nucleons and alpha particles) proceeding via the strong interaction. It is intended to present the basic definitions essential…

Nuclear Theory · Physics 2015-03-17 T. Rauscher

Recent observation of the power spectrum of Cosmic Microwave Background (CMB) Radiation has exhibited that the flat cosmology is most likely. This suggests too large universal baryon-density parameter $\Omega_b h^2 \approx 0.022 \sim 0.030$…

Astrophysics · Physics 2007-05-23 Toshitaka Kajino

Nucleosynthesis beyond Fe poses additional challenges not encountered when studying astrophysical processes involving light nuclei. Generally higher temperatures and nuclear level densities lead to stronger contributions of transitions on…

Nuclear Experiment · Physics 2022-10-26 T. Rauscher

In rapid neutron capture, or r-process, nucleosynthesis, heavy elements are built up via a sequence of neutron captures and beta decays that involves thousands of nuclei far from stability. Though we understand the basics of how the…

Nuclear Theory · Physics 2015-06-17 R. Surman , M. Mumpower , J. Cass , I. Bentley , A. Aprahamian , G. C. McLaughlin

We investigate explosive nuclear burning in core collapse supernovae by coupling a tracer particle method to one and two-dimensional Eulerian hydrodynamic calculations. Adopting the most recent experimental and theoretical nuclear data, we…

Astrophysics · Physics 2007-05-23 C. Travaglio , K. Kifonidis , E. Mueller

The evolution and explosion of metal-free stars with masses 10--100 solar masses are followed, and their nucleosynthetic yields, light curves, and remnant masses determined. When the supernova yields are integrated over a Salpeter initial…

Astrophysics · Physics 2011-02-11 Alexander Heger , S. E. Woosley

A necessary condition for the reliable modelling of the structure or evolution of the stars and of their concomitant nucleosynthesis is the availability of good quality nuclear data in a very wide area of the chart of nuclides. This short…

Astrophysics · Physics 2007-06-11 M. Arnould , M. Katsuma

Background: In the environment of high neutrino-fluxes provided in core-collapse supernovae or neutron star mergers, neutrino-induced reactions with nuclei contribute to the nucleosynthesis processes. A number of terrestrial neutrino…

Nuclear Theory · Physics 2015-06-11 N. Paar , H. Tutman , T. Marketin , T. Fischer

Magnetorotational supernovae are a rare type of core-collapse supernovae where the magnetic field and rotation play a central role in the dynamics of the explosion. We present the post-processed nucleosynthesis of state-of-the-art…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Moritz Reichert , Martin Obergaulinger , Miguel-Angel Aloy , Michael Gabler , Almudena Arcones , Friedrich-Karl Thielemann
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