Search for modulations of the solar Be7 flux in the next-generation neutrino observatory LENA

Michael Wurm, Barbara Caccianiga, Davide D'Angelo, Stefano Davini, Franz Von Feilitzsch, Marianne Göger-Neff, Tobias Lachenmaier, Timo Lewke, Paolo Lombardi, Livia Ludhova, Quirin Meindl, Emanuela Meroni, Lino Miramonti, Randolph Möllenberg, Lothar Oberauer, Walter Potzel, Gioacchino Ranucci, Marc Tippmann, Jürgen Winter

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

A next-generation liquid-scintillator detector will be able to perform high-statistics measurements of the solar neutrino flux. In LENA, solar Be7 neutrinos are expected to cause 1.7×104 electron recoil events per day in a fiducial volume of 35 kilotons. Based on this signal, a search for periodic modulations on a subpercent level can be conducted, surpassing the sensitivity of current detectors by at least a factor of 20. The range of accessible periods reaches from several minutes, corresponding to modulations induced by helioseismic g-modes, to tens of years, allowing to study long-term changes in solar fusion rates.

Original languageEnglish
Article number032010
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume83
Issue number3
DOIs
StatePublished - 24 Feb 2011

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