Astronomy and Astrophysics – Astrophysics – Cosmology and Extragalactic Astrophysics
Scientific paper
2010-07-19
Astronomy and Astrophysics
Astrophysics
Cosmology and Extragalactic Astrophysics
Review, 57 pages, 40 figures, 15 tables
Scientific paper
I review the physics of the Diffuse Supernova Neutrino flux (or Background, DSNB), in the context of future searches at the next generation of neutrino telescopes. The theory of the DSNB is discussed in its fundamental elements, namely the cosmological rate of supernovae, neutrino production inside a core collapse supernova, redshift, and flavor oscillation effects. The current upper limits are also reviewed, and results are shown for the rates and energy distributions of the events expected at future 0.1- 1 Mt mass detectors using water, liquid argon and liquid scintillator. Perspectives are given on the significance of future observations of the DSNB, both at the discovery and precision phases, for the investigation of the physics of supernovae, and of the properties of the neutrino.
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