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Astrophysics > Solar and Stellar Astrophysics

arXiv:1307.7936 (astro-ph)
[Submitted on 30 Jul 2013 (v1), last revised 19 Sep 2013 (this version, v3)]

Title:Neutrino signature of supernova hydrodynamical instabilities in three dimensions

Authors:Irene Tamborra (MPI for Physics, Munich), Florian Hanke, Bernhard Mueller, Hans-Thomas Janka (MPI for Astrophysics, Garching), Georg Raffelt (MPI for Physics, Munich)
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Abstract:The first full-scale three-dimensional (3D) core-collapse supernova (SN) simulations with sophisticated neutrino transport show pronounced effects of the standing accretion shock instability (SASI) for two high-mass progenitors (20 and 27 M_sun). In a low-mass progenitor (11.2 M_sun), large-scale convection is the dominant nonradial hydrodynamic instability in the postshock accretion layer. The SASI-associated modulation of the neutrino signal (80 Hz in our two examples) will be clearly detectable in IceCube or the future Hyper-Kamiokande detector, depending on progenitor properties, distance, and observer location relative to the main SASI sloshing direction. The neutrino signal from the next galactic SN can therefore diagnose the nature of the hydrodynamic instability.
Comments: 6 pages, including 4 figures. Results unchanged. Matches published version in PRL. Animated visualization available at: this http URL
Subjects: Solar and Stellar Astrophysics (astro-ph.SR); High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1307.7936 [astro-ph.SR]
  (or arXiv:1307.7936v3 [astro-ph.SR] for this version)
  https://doi.org/10.48550/arXiv.1307.7936
Journal reference: Phys. Rev. Lett. 111 (2013) 121104
Related DOI: https://doi.org/10.1103/PhysRevLett.111.121104

Submission history

From: Irene Tamborra [view email]
[v1] Tue, 30 Jul 2013 12:14:46 UTC (792 KB)
[v2] Fri, 23 Aug 2013 15:07:28 UTC (793 KB)
[v3] Thu, 19 Sep 2013 12:39:06 UTC (793 KB)
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