Tomography of the Earth's Core Using Supernova Neutrinos

Details Tomography of the Earth's Core Using Supernova Neutrinos Tomography of the Earth's Core Using Supernova Neutrinos

2002-07-19

arxiv.org/abs/hep-ph/0207238v3

Astropart.Phys. 19 (2003) 755-770

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 6 figures, LaTeX. Final version to be published in Astropart. Phys

Scientific paper

10.1016/S0927-6505(03)00120-8

We investigate the possibility to use the neutrinos coming from a future galactic supernova explosion to perform neutrino oscillation tomography of the Earth's core. We propose to use existing or planned detectors, resulting in an additional payoff. Provided that all of the discussed uncertainties can be reduced as expected, we find that the average matter densities of the Earth's inner and outer cores could be measured with a precision competitive with geophysics. However, since seismic waves are more sensitive to matter density jumps than average matter densities, neutrino physics would give partly complementary information.

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