Abstract
Experimental data on geoneutrinos allow to admit that masses of U, Th and K in the Earth can be up to mU = 1.7 · 1017 kg, mTh = 6.7 · 1017 kg and mK/mEarth ~ 2%. These values correspond to intrinsic Earth heat flux in ~300 TW. The most part of this flux goes up in rift zones as a heated gases. Argo Project results and the measurements of the Moon intrinsic heat flux support the existence of such a big flux. So large of U, Th, K abundances were predicted by Adjusted Hydridic Earth model.
Highlights
The connection of geoneutrinos and Earth thermal flux was known for a long time
We proposed here the Adjusted Hydridic Earth model which can explain as the value of thermal flux in 300 TW and the measured number of events in ongoing geoneutrino experiments
Geoneutrinos were detected with two experimental setups for the moment. They are: Borexino detector [7] constructed for the 7Be solar neutrinos registartion placed in Gran Sasso Laboratory and KamLAND detector [8] for testing neutrino oscillation parameters in solar region placed in Kamioka Observatory
Summary
The connection of geoneutrinos and Earth thermal flux was known for a long time. Detecting of geoneutrinos on the surface can give the exact value of radiogenic part of all heat produced inside the Earth [1]. The most exact value 47 ± 2 TW is obtained by the averaging of experimentally measured points. This method includes only part of the energy passing through the crust by conductivity way and does not take into account other possible ways of energy transfer. We considered a number of possible Earth thermal flux values and concluded that value of order 300 TW is preferable. This value may be explained if to admit the abudances of potassium and uranium with thorium in larger amounts inside of the Earth core. We proposed here the Adjusted Hydridic Earth model which can explain as the value of thermal flux in 300 TW and the measured number of events in ongoing geoneutrino experiments
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