Geo-neutrinos are electron antineutrinos produced in β-decays of long-lived radioactive isotopes naturally present in the Earth (238U, 232Th and 40K). By measuring their fluxes it is possible to have a unique direct probe of our planet’s interior, to reveal the terrestrial distribution of uranium and thorium and to assess the radiogenic contribution to the total heat balance of the Earth. The Borexino experiment is one of the few which can perform a geo-neutrino analysis: we present the evidence of geo-neutrinos’ signal with 252.6 ton·y Borexino data.
Geo-neutrinos signal with Borexino / A.C. Re. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - 33:6(2010), pp. 213-215. ((Intervento presentato al convegno IFAE: Incontri di Fisica delle Alte Energie tenutosi a Roma nel 2010 [10.1393/ncc/i2011-10780-6].
Geo-neutrinos signal with Borexino
A.C. RePrimo
2010
Abstract
Geo-neutrinos are electron antineutrinos produced in β-decays of long-lived radioactive isotopes naturally present in the Earth (238U, 232Th and 40K). By measuring their fluxes it is possible to have a unique direct probe of our planet’s interior, to reveal the terrestrial distribution of uranium and thorium and to assess the radiogenic contribution to the total heat balance of the Earth. The Borexino experiment is one of the few which can perform a geo-neutrino analysis: we present the evidence of geo-neutrinos’ signal with 252.6 ton·y Borexino data.
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