Solar neutrinos as probes of neutrino-matter interactions

Preprint

26 February 2004

preprint
Published by arXiv in arXiv

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 nu_e-nu_tau 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.

Keywords

NEUTRINO MATTER INTERACTIONS
NEUTRINOS AS PROBES
KAMLAND EXPERIMENTS
INTERACTIONS DATA
FLAVOR CHANGING
SOLAR NEUTRINO

All Related Versions

Version 1, 2004-02-26, ArXiv
Version 2, 2004-03-10, ArXiv
Version 3, 2004-05-14, ArXiv
Version 1, 2004-08-24, ArXiv (Unconfirmed version)
Version 2, 2005-01-12, ArXiv (Unconfirmed version)
Published version: Physics Letters B, 594 (3-4), 347.

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