Geo-Neutrinos and the Earth’s Internal Heat Flux
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Predictions of geo-neutrino fluxes and the Earth’s internal heat flux made by the Hydride Earth model are discussed. The prediction of geo-neutrino fluxes can be consistent with experimental measured fluxes. The predicted value of the Earth’s internal heat flux is significantly larger than the value experimentally obtained under the assumption that the main mode of heat transport is thermal conductivity. We consider another mode of heat transport in the Earth’s crust: heat transport by hot gases created in the Earth’s crust at great depth. We discuss also experimental data supporting this idea, particularly the temperature profiles obtained in the Kola superdeep borehole.
The authors are grateful to the organizing committee of The International Session-Conference of section of Nuclear Physics of the Physical Science Department of the Russian Academy of Sciences “Physics of Fundamental Interactions” dedicated to the 50th anniversary of the Baksan Neutrino Observatory (held June 6–8, 2017, KBR, Nalchik) for the invitation to present the talk. Also, the authors would like to thank Igor Tkachev (INR RAS) for fruitful discussions, Allen Caldwell (MPI) for the opportunity to give a talk at MPI and for fruitful discussions, Leo Stodolsky (MPI) for his invaluable remarks, and in particular for his question on how temperature profiles in continents should look in the presence of thermal energy transport by hot gases.
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