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Journal Article

Fast Neutrino Flavor Conversions can Help and Hinder Neutrino-Driven Explosions

MPS-Authors

Ehring,  Jakob
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Abbar,  Sajad
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Janka,  Hans-Thomas
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Raffelt,  Georg
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Tamborra,  Irene
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Physik,  MPI
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Astrophysik,  MPI
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Garching,  TUM
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Ehring, J., Abbar, S., Janka, H.-T., Raffelt, G., Tamborra, I., Physik, M., et al. (2023). Fast Neutrino Flavor Conversions can Help and Hinder Neutrino-Driven Explosions. Physical Review Letters, 131, 061401. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2023-109.


Cite as: https://hdl.handle.net/21.11116/0000-000F-127C-2
Abstract
We present the first simulations of core-collapse supernovae (CCSNe) in axial symmetry (2D) with feedback from fast neutrino flavor conversion (FFC). Our schematic treatment of FFCs assumes instantaneous flavor equilibration under the constraint of lepton-number conservation. Systematically varying the spatial domain where FFCs are assumed to occur, we find that they facilitate SN explosions in low-mass (9-12 solar masses) progenitors that otherwise explode with longer time delays, whereas FFCs weaken the tendency to explode of higher-mass (around 20 solar masses) progenitors.