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Hydrodynamical Neutron Star Kicks in Three Dimensions
A. Wongwathanarat, H. -Th. Janka, E. Mueller
Using three-dimensional (3D) simulations of neutrino-powered supernova explosions we show that the hydrodynamical kick scenario proposed by Scheck et al. on the basis of two-dimens…
Electron-capture supernovae as the origin of elements beyond iron
Shinya Wanajo, Hans-Thomas Janka, Bernhard Mueller
We examine electron-capture supernovae (ECSNe) as sources of elements heavier than iron in the solar system and in Galactic halo stars. Nucleosynthesis calculations are performed o…
Nucleosynthesis-relevant conditions in neutrino-driven supernova outflows. II. The reverse shock in two-dimensional simulations
A. Arcones, H. -T. Janka
After the initiation of the explosion of core-collapse supernovae, neutrinos emitted from the nascent neutron star drive a supersonic baryonic outflow. This neutrino-driven wind in…
The r-Process in Black Hole Winds
Shinya Wanajo, Hans-Thomas Janka
All the current r-process scenarios relevant to core-collapse supernovae are facing severe difficulties. In particular, recent core-collapse simulations with neutrino transport sho…
Testing Approximations of Thermal Effects in Neutron Star Merger Simulations
A. Bauswein, H. -Th. Janka, R. Oechslin
We perform three-dimensional relativistic hydrodynamical calculations of neutron star mergers to assess the reliability of an approximate treatment of thermal effects in such simul…
Fast time variations of supernova neutrino fluxes and their detectability
Tina Lund, Andreas Marek, Cecilia Lunardini +2
In the delayed explosion scenario of core-collapse supernovae (SNe), the accretion phase shows pronounced convective overturns and a low-multipole hydrodynamic instability, the sta…