Solar neutrinos as probes of neutrino-matter interactions

Alexander Friedland, Cecilia Lunardini, Carlos Peña-Garay

Research output: Contribution to journalArticlepeer-review

211 Scopus citations

Abstract

Data from solar neutrino and KamLAND experiments have led to a discovery of nonzero neutrino masses. Here we investigate what these data can tell us about neutrino interactions with matter, including the poorly constrained flavor-changing νeτ interactions. We give examples of the interaction parameters that are excluded by the solar/KamLAND data and are beyond the reach of other experiments. We also demonstrate that flavor-changing interactions, at the allowed level, may profoundly modify the conversion probability for neutrinos of energy ≲6 MeV and the values of the mass parameter inferred from the data. The implications for future experiments are discussed.

Original languageEnglish (US)
Pages (from-to)347-354
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume594
Issue number3-4
DOIs
StatePublished - Aug 5 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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