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About a possibility of measuring the central temperature of the Sun through the regeneration of the7Be neutrinos in the Earth


Ioannisian, A N; Smirnov, A Yu; Wyler, D (2012). About a possibility of measuring the central temperature of the Sun through the regeneration of the7Be neutrinos in the Earth. Journal of Physics : Conference Series, 375(4):042034.

Abstract

The solar neutrino's 7Be line (Eν = 0.862 MeV) has a width of order the temperature in the center of the Sun (~ 1 keV).The regeneration of neutrinos from remote structures of the Earth is suppressed due to the averaging of the effect over the width of the 7Be line (oscillation dying effect). We discuss a possibility of measuring the width of the beryllium line at large liquid scintillator detector (LENA) by measuring the electron neutrino flux at different nadir angles of neutrino trajectories.

Abstract

The solar neutrino's 7Be line (Eν = 0.862 MeV) has a width of order the temperature in the center of the Sun (~ 1 keV).The regeneration of neutrinos from remote structures of the Earth is suppressed due to the averaging of the effect over the width of the 7Be line (oscillation dying effect). We discuss a possibility of measuring the width of the beryllium line at large liquid scintillator detector (LENA) by measuring the electron neutrino flux at different nadir angles of neutrino trajectories.

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Additional indexing

Item Type:Journal Article, not refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2012
Deposited On:05 Mar 2013 09:39
Last Modified:05 Apr 2016 16:17
Publisher:IOP Publishing
ISSN:1742-6588
Publisher DOI:https://doi.org/10.1088/1742-6596/375/1/042034

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