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A simple description of core-collapse supernovae is given. Properties of the neutrino-driven wind, neutrino fluxes and luminosities, reaction rates, and the equilibrium electron fraction in supernova environments are discussed. Neutrino…

Astrophysics · Physics 2009-11-10 A. B. Balantekin , H. Yuksel

Neutrinos play a key role in core-collapse supernova explosions. Carrying information from deep inside the stellar core, neutrinos are direct probes of the supernova mechanism. Intriguing recent developments on the role of neutrinos in…

High Energy Physics - Phenomenology · Physics 2016-04-26 Irene Tamborra

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

The observation of neutrinos from Supernova~1987A has confirmed the theoretical conjecture that these particles play a crucial role during the collapse of the core of a massive star. Only one per cent of the energy they carry away from the…

Astrophysics · Physics 2007-05-23 H. -Th. Janka

How do massive stars explode? Progress toward the answer is driven by increases in compute power. Petascale supercomputers are enabling detailed three-dimensional simulations of core-collapse supernovae. These are elucidating the role of…

High Energy Astrophysical Phenomena · Physics 2016-08-30 Christian D. Ott

The explosion outcome and diagnostics of core-collapse supernovae depend sensitively on the nature of the stellar progenitor, but most studies to date have focused exclusively on one-dimensional, spherically-symmetric massive star…

Solar and Stellar Astrophysics · Physics 2022-01-14 David Vartanyan , Matthew S. B. Coleman , Adam Burrows

Neutrinos play an important role in compact star astrophysics: neutrino-heating is one of the main ingredients in core-collapse supernovae, neutrino-matter interactions determine the composition of matter in binary neutron star mergers and…

High Energy Astrophysical Phenomena · Physics 2020-09-16 Micaela Oertel , Aurélien Pascal , Marco Mancini , Jerome Novak

We present a new general relativistic (GR) code for hydrodynamic supernova simulations with neutrino transport in spherical and azimuthal symmetry (1D/2D). The code is a combination of the CoCoNuT hydro module, which is a Riemann-solver…

Solar and Stellar Astrophysics · Physics 2015-05-18 B. Mueller , H. -Th. Janka , H. Dimmelmeier

In this work, we study the synthetic explosions of a massive star. We take a 100 M$_{\odot}$ zero--age main--sequence (ZAMS) star and evolve it until the onset of core-collapse using {\tt MESA}. Then, the resulting star model is exploded…

High Energy Astrophysical Phenomena · Physics 2022-06-01 Amar Aryan , Shashi Bhushan Pandey , Abhay Pratap Yadav , Amit Kumar , Rahul Gupta , Sugriva Nath Tiwari

Many of the currently available equations of state for core-collapse supernova simulations give large neutron star radii and do not provide large enough neutron star masses, both of which are inconsistent with some recent neutron star…

Solar and Stellar Astrophysics · Physics 2015-06-05 Andrew W. Steiner , Matthias Hempel , Tobias Fischer

Neutrinos emitted during the collapse, bounce and subsequent explosion provide information about supernova dynamics. The neutrino spectra are determined by weak interactions with nuclei and nucleons in the inner regions of the star, and…

Astrophysics · Physics 2009-12-15 S. R. Souza , A. W. Steiner , W. G. Lynch , R. Donangelo , M. A. Famiano

Core-collapse supernovae are fascinating astrophysical objects for multimessenger studies. Gravitational waves (GWs) are expected to play a role in the supernova explosion mechanism, but their modelling is also challenging due to the…

High Energy Astrophysical Phenomena · Physics 2021-11-10 Odysse Halim , Claudio Casentini , Marco Drago , Viviana Fafone , Kate Scholberg , Carlo Francesco Vigorito , Giulia Pagliaroli

At the present time even the most sophisticated, multi-dimensional simulations of core-collapse supernovae do not (self-consistently) include neutrino flavor transformation. This physics is missing despite the importance of neutrinos in the…

High Energy Astrophysical Phenomena · Physics 2020-10-14 Charles J. Stapleford , Carla Fröhlich , James P. Kneller

In this paper, we discuss the current status of core collapse supernova models and the future developments needed to achieve significant advances in understanding the supernova mechanism and supernova phenomenology, i.e., in developing a…

Astrophysics · Physics 2009-10-31 A. Mezzacappa

If a galactic supernova explosion occurs in the future, it will be critical to rapidly alert the community to the direction of the supernova by utilizing neutrino signals in order to enable the initiation of follow-up optical observations.…

Instrumentation and Methods for Astrophysics · Physics 2024-02-02 Fumi Nakanishi , Shota Izumiyama , Masayuki Harada , Yusuke Koshio

We summarize the results of core collapse supernova theory from one-, two-, and three-dimensional models and provide a snapshot of the field at this time. We also present results from the "Oak Ridge" group in this context. Studies in both…

The explosion of a core-collapse supernova can be approximated by the breakdown of steady-state solutions for accretion onto a proto-neutron star (PNS). We analytically show that as the neutrino luminosity exceeds a critical value L_c, the…

Solar and Stellar Astrophysics · Physics 2013-05-30 Uri Keshet , Shmuel Balberg

The computational difficulty of six-dimensional neutrino radiation hydrodynamics has spawned a variety of approximations, provoking a long history of uncertainty in the core-collapse supernova explosion mechanism. Under the auspices of the…

Astrophysics · Physics 2017-08-23 Christian Y. Cardall , Alexei O. Razoumov , Eirik Endeve , Anthony Mezzacappa

Core-collapse supernovae are powerful neutrino sources. The observation of a future (extra-)galactic supernova explosion or of the relic supernova neutrinos might provide important information on the supernova dynamics, on the supernova…

Astrophysics · Physics 2009-11-13 J. Gava , C. Volpe

An attempt is made to assess the significance of rotation in the core-collapse supernova phenomenon, from both observational and theoretical point of view. The data on supernovae particularly indicative of the role of rotation in the…

Astrophysics · Physics 2007-05-23 A. Odrzywolek , M. Kutschera , M. Misiaszek , K. Grotowski
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