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Solar neutrinos as probes of neutrino-matter interactions

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Solar neutrinos as probes of neutrino-matter interactions

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Friedland, Alexander; Lunardini, Cecilia; Peña Garay, Carlos

Aquest document és un/a article, creat/da en: 2004

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 v(e)-v(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; less than or similar to 6 MeV and the values of the mass parameter inferred from the data. The implications for future experiments are discussed.

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