Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-07-10
Physics
High Energy Physics
High Energy Physics - Phenomenology
30 pages, 7 figures
Scientific paper
A novel method for extracting cosmological evolution parameters is proposed, using a probe other than light: future observations of the diffuse anti-neutrino flux emitted from core-collapse supernovae (SNe), combined with the SN rate extracted from future SN surveys. The relic SN neutrino differential flux can be extracted by using future neutrino detectors such as Gadolinium-enriched, megaton, water detectors or 100-kiloton detectors of liquid Argon or liquid scintillator. The core-collapse SN rate can be reconstructed from direct observation of SN explosions using future precision observatories. Our method, by itself, cannot compete with the accuracy of the optical-based measurements but may serve as an important consistency check as well as a source of complementary information. The proposal does not require construction of a dedicated experiment, but rather relies on future experiments proposed for other purposes.
Hall Lawrence J.
Murayama Hitoshi
Papucci Michele
Perez Gilad
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