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Detection horizon for the neutrino burst from the stellar helium flash
Pablo Martínez-Miravé, Irene Tamborra, Georg Raffelt
Low-mass stars () ignite helium under degenerate conditions, eventually causing a nuclear run-away -- the helium flash. The alpha-capture process on N…
Neutrinos from stars in the Milky Way
Pablo Martínez-Miravé, Irene Tamborra
Neutrinos are produced during stellar evolution by means of thermal and thermonuclear processes. We model the cumulative neutrino flux expected at Earth from all stars in the Milky…
Impact of neutrino flavor oscillations on the neutrino-driven wind nucleosynthesis of an electron-capture supernova
Else Pllumbi, Irene Tamborra, Shinya Wanajo +2
Neutrino oscillations, especially to light sterile states, can affect the nucleosynthesis yields because of their possible feedback effect on the electron fraction (Ye). For the fi…
Neutrino emission characteristics and detection opportunities based on three-dimensional supernova simulations
Irene Tamborra, Georg Raffelt, Florian Hanke +2
The neutrino emission characteristics of the first full-scale three-dimensional supernova simulations with sophisticated three-flavor neutrino transport for three models with masse…
Self-sustained asymmetry of lepton-number emission: A new phenomenon during the supernova shock-accretion phase in three dimensions
Irene Tamborra, Florian Hanke, Hans-Thomas Janka +3
During the stalled-shock phase of our 3D hydrodynamical core-collapse simulations with energy-dependent, 3-flavor neutrino transport, the lepton-number flux (nue minus antinue) eme…
Neutrino signature of supernova hydrodynamical instabilities in three dimensions
Irene Tamborra, Florian Hanke, Bernhard Mueller +2
The first full-scale three-dimensional (3D) core-collapse supernova (SN) simulations with sophisticated neutrino transport show pronounced effects of the standing accretion shock i…
High-resolution supernova neutrino spectra represented by a simple fit
Irene Tamborra, Bernhard Mueller, Lorenz Huedepohl +2
To study the capabilities of supernova neutrino detectors, the instantaneous spectra are often represented by a quasi-thermal distribution of the form f(E) = E^alpha e^{-(alpha+1)E…
Diffuse supernova neutrinos: oscillation effects, stellar cooling and progenitor mass dependence
Cecilia Lunardini, Irene Tamborra
We estimate the diffuse supernova neutrino background (DSNB) using the recent progenitor-dependent, long-term supernova simulations from the Basel group and including neutrino osci…
Impact of eV-mass sterile neutrinos on neutrino-driven supernova outflows
Irene Tamborra, Georg G. Raffelt, Lorenz Huedepohl +1
Motivated by recent hints for sterile neutrinos from the reactor anomaly, we study active-sterile conversions in a three-flavor scenario (2 active + 1 sterile families) for three d…