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Physics Colloquium, "Neutrinos from Hell: the Dawn of Neutrino Geophysics"

SpeakerGiorgio Gratta, Stanford
Date Oct 17, 2012 - Oct 18, 2012
Time 4:00 pm  
Location 141 Loomis Lab
Sponsor Physics Department
Contact Marjorie M. Gamel
Phone 217-333-3762
Event type Seminar/Symposium
Views 3242
Originating Calendar Physics - Colloquium

Seismic waves have been for long time the only messenger reporting on the conditions deep inside the Earth.  While global seismology provides amazing details about the structure of our planet, it is only sensitive to the mechanical properties of rocks and not to their chemical composition.  In the last few years KamLAND and Borexino have started measuring anti-neutrinos produced by Uranium and Thorium inside the Earth.  Such "Geoneutrinos" double the number of tools available to study the Earth's interior, enabling a sort of global chemical analysis of the planet, albeit for two elements only.  I will discuss the results of these new measurements and put them in the context of the Earth Sciences.

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