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Related papers: Results From Core-Collapse Simulations with Multi-…

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We report on the core-collapse supernova simulation we conducted for a 11.2 M progenitor model in three-dimensional space up to 20 ms after bounce, using a radiation hydrodynamics code with full Boltzmann neutrino transport. We solve the…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Wakana Iwakami , Hirotada Okawa , Hiroki Nagakura , Akira Harada , Shun Furusawa , Kosuke Sumiyoshi , Hideo Matsufuru , Shoichi Yamada

We assess the occurrence of fast neutrino flavor instabilities in two three-dimensional state-of-the-art core-collapse supernova simulations performed using a two-moment three-species neutrino transport scheme: one with an exploding…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Sajad Abbar , Francesco Capozzi , Robert Glas , H. -Thomas Janka , Irene Tamborra

During the shock-wave propagation in a core-collapse supernova (SN), matter turbulence may affect neutrino flavor conversion probabilities. Such effects have been usually studied by adding parametrized small-scale random fluctuations (with…

Solar and Stellar Astrophysics · Physics 2015-06-17 Enrico Borriello , Sovan Chakraborty , Hans-Thomas Janka , Eligio Lisi , Alessandro Mirizzi

We examine simulations of core-collapse supernovae in spherical symmetry. Our model is based on general relativistic radiation hydrodynamics with three-flavor Boltzmann neutrino transport. We discuss the different supernova phases,…

High Energy Astrophysical Phenomena · Physics 2012-01-04 T. Fischer , M. Liebendörfer , F. -K. Thielemann , G. Martínez-Pinedo , B. Ziebarth , K. Langanke

We present three-dimensional hydrodynamic and magnetohydrodynamic core-collapse supernova simulations of a rapidly rotating, high-compactness $39 M_\odot$ progenitor to investigate the roles of rotation and magnetic fields in shock revival…

High Energy Astrophysical Phenomena · Physics 2026-05-19 Liubov Kovalenko , Evan O'Connor , Haakon Andresen , Sean M. Couch

Multi-dimensional hydrodynamic simulations of the post-bounce evolution of collapsed stellar iron cores have demonstrated that convective overturn between the stalled shock and the neutrinosphere can have an important effect on the…

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

We report results of the first 3-by-3 "multi-angle" simulation of the evolution of neutrino flavor in the core collapse supernova environment. In particular, we follow neutrino flavor transformation in the neutronization neutrino burst of…

High Energy Astrophysical Phenomena · Physics 2010-11-11 John F. Cherry , George M. Fuller , Joe Carlson , Huaiyu Duan , Yong-Zong Qian

For a suite of fourteen core-collapse models during the dynamical first second after bounce, we calculate the detailed neutrino "light" curves expected in the underground neutrino observatories Super-Kamiokande, DUNE, JUNO, and IceCube.…

High Energy Astrophysical Phenomena · Physics 2018-08-15 Shaquann Seadrow , Adam Burrows , David Vartanyan , David Radice , M. Aaron Skinner

Two-dimensional hydrodynamic simulations of stellar core-collapse with and without rotation are presented which for the first time were performed by solving the Boltzmann equation for the neutrino transport including a state-of-the-art…

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

The effects of general relativity (GR) on the hydrodynamics and neutrino transport are examined during the critical shock reheating phase of core collapse supernovae. We find that core collapse computed with GR hydrodynamics results in a…

Astrophysics · Physics 2007-05-23 K. R. De Nisco , S. W. Bruenn , A. Mezzacappa

We present the first self-consistent, three-dimensional (3D) core-collapse supernova simulations performed with the Prometheus-Vertex code for a rotating progenitor star. Besides using the angular momentum of the 15 solar-mass model as…

High Energy Astrophysical Phenomena · Physics 2018-01-10 A. Summa , H. -Th. Janka , T. Melson , A. Marek

A few seconds after bounce in a core-collapse supernova, the shock wave passes the density region corresponding to resonant neutrino oscillations with the ``atmospheric'' neutrino mass difference. The transient violation of the adiabaticity…

Astrophysics · Physics 2009-11-10 R. Tomas , M. Kachelriess , G. Raffelt , A. Dighe , H. -T. Janka , L. Scheck

Neutrinos emitted during stellar core collapse leading to a supernova are primarily of the electron neutrino type at source which may undergo oscillation between flavor eigenstates during propagation to an earth-bound detector. Although the…

Astrophysics · Physics 2009-10-30 Debasish Majumdar , Kamales Kar , Alak Ray , Amitava Raychaudhuri , Firoza K. Sutaria

The impact of the magnetic field on postbounce supernova dynamics of non-rotating stellar cores is studied by performing three-dimensional magnetohydrodynamics simulations with spectral neutrino transport. The explodability of strongly and…

High Energy Astrophysical Phenomena · Physics 2022-08-19 Jin Matsumoto , Yuta Asahina , Tomoya Takiwaki , Kei Kotake , Hiroyuki R. Takahashi

We present results from the first generation of multi-dimensional hydrodynamic core-collapse simulations in full general relativity (GR) that include an approximate treatment of neutrino transport. Using a M1 closure scheme with an analytic…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Takami Kuroda , Kei Kotake , Tomoya Takiwaki

We compare Newtonian three-flavor multigroup Boltzmann (MGBT) and (Bruenn's) multigroup flux-limited diffusion (MGFLD) neutrino transport in postbounce core collapse supernova environments. We focus our study on quantities central to the…

Astrophysics · Physics 2007-05-23 Bronson Messer , Anthony Mezzacappa , Steve Bruenn , Mike Guidry

Neutrinos from a supernova (SN) might undergo fast flavor conversions near the collapsed stellar core. We perform a detailed study of this intriguing possibility, analyzing time-dependent state-of-the-art 3D SN models of 9 and 20 Msun. Both…

High Energy Astrophysical Phenomena · Physics 2020-03-11 Robert Glas , H. -Thomas Janka , Francesco Capozzi , Manibrata Sen , Basudeb Dasgupta , Alessandro Mirizzi , Guenter Sigl

We investigate the neutrino flavor change effects due to neutrino self-interaction, shock wave propagation as well as matter effect on the neutrino-process of the core-collapsing supernova (CCSN). For the hydrodynamics, we use two models: a…

Core collapse supernova modeling has advanced considerably since the first numerical simulations were performed sixty years ago. In particular, the last decade has brought us sophisticated three-dimensional models with significant…

High Energy Astrophysical Phenomena · Physics 2026-04-29 Anthony Mezzacappa

Self-consistent, multidimensional core-collapse supernova (SN) simulations, especially in 3D, have achieved tremendous progress over the past 10 years. They are now able to follow the entire evolution from core collapse through bounce,…

High Energy Astrophysical Phenomena · Physics 2026-02-13 H. -Thomas Janka