Neutrinos and Energetics of the Earth

Details Neutrinos and Energetics of the Earth Neutrinos and Energetics of the Earth

2002-12-09

arxiv.org/abs/nucl-ex/0212008v2

Phys.Lett. B557 (2003) 139-146

Physics

Nuclear Physics

Nuclear Experiment

11 pages, RevTeX file. To appear on Phys. Lett. B. Addendum contains comparison with KamLAND results

Scientific paper

10.1016/S0370-2693(03)00193-X

We estimate terrestrial antineutrino and neutrino fluxes according to different models of Earth composition. We find large variations, corresponding to uncertainties on the estimated $U$, $Th$ and $K$ abundances in the mantle. Information on the mantle composition can be derived from antineutrino flux measurements after subtracting the crust contribution. This requires a good description of the crust composition in the region of the detector site. Measurements of terrestrial antineutrinos will provide a direct insight on the main sources of Earth's heat flow.

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