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Oscillation of Dirac and Majorana neutrinos from muon decay in the case of a general interaction
Authors:Robert Szafron  Marek Zralek
Institution:Institute of Physics, University of Silesia, Uniwersytecka 4, PL-40-007 Katowice, Poland
Abstract:We analyse the possibility of distinguishing Dirac and Majorana neutrinos in future neutrino factory experiments in which neutrinos are produced in muon decay when, in addition to a vector type as in the SM, there are also scalar interactions. We check this possibility in an experiment with a near detector, where the observed neutrinos do not oscillate, and in a far detector, after the neutrino oscillations. Neglecting higher-order corrections, even neutrino observation in the near detector does not give a chance to differentiate their character. However, this possibility appears in the leading-order after the neutrino oscillations observed in far detector.
Keywords:Neutrino oscillation  Muon decay  Non-standard interactions
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