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Core-collapse supernovae stymie secret neutrino interactions
Shashank Shalgar, Irene Tamborra, Mauricio Bustamante
Beyond-the-Standard-Model interactions of neutrinos among themselves -- {\it secret interactions} -- in the supernova core may prevent the shock revival, halting the supernova expl…
Neutrino propagation hinders fast pairwise flavor conversions
Shashank Shalgar, Ian Padilla-Gay, Irene Tamborra
Neutrino flavor conversions may dramatically affect the inner working of compact astrophysical objects as well as the synthesis of the heavier elements. We present the first sophis…
Neutrino emission characteristics of black hole formation in three-dimensional simulations of stellar collapse
Laurie Walk, Irene Tamborra, Hans-Thomas Janka +2
Neutrinos are unique probes of core-collapse supernova dynamics, especially in the case of black hole (BH) forming stellar collapses, where the electromagnetic emission may be fain…
Grand Unified Neutrino Spectrum at Earth: Sources and Spectral Components
Edoardo Vitagliano, Irene Tamborra, Georg Raffelt
We briefly review the dominant neutrino fluxes at Earth from different sources and present the Grand Unified Neutrino Spectrum ranging from meV to PeV energies. For each energy ban…
Tau lepton asymmetry by sterile neutrino emission -- Moving beyond one-zone supernova models
Anna M. Suliga, Irene Tamborra, Meng-Ru Wu
The mixing of active neutrinos with their sterile counterparts with keV mass is known to have a potentially major impact on the energy loss from the supernova core. By relying on a…
Multimessenger Asteroseismology of Core-Collapse Supernovae
John Ryan Westernacher-Schneider, Evan O'Connor, Erin O'Sullivan +4
We investigate correlated gravitational wave and neutrino signals from rotating core-collapse supernovae with simulations. Using an improved mode identification procedure based on…
On the Occurrence of Crossings Between the Angular Distributions of Electron Neutrinos and Antineutrinos in the Supernova Core
Shashank Shalgar, Irene Tamborra
Neutrino fast pairwise conversions have been postulated to occur in the dense core of a core-collapse supernova (SN), possibly having dramatic consequences on the SN mechanism and…
Effects of the standing accretion-shock instability and the lepton-emission self-sustained asymmetry in the neutrino emission of rotating supernovae
Laurie Walk, Irene Tamborra, Hans-Thomas Janka +1
Rotation of core-collapse supernovae (SNe) affects the neutrino emission characteristics. By comparing the neutrino properties of three three-dimensional SN simulations of a 15 M_s…