Neutrino Electromagnetic Form Factor and Oscillation Effects on Neutrino Interaction With Dense Matter

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The mean free path of neutrino - free electron gas interaction has been calculated by taking into account the neutrino electromagnetic form factors and the possibility of neutrino oscillation. It is shown that the form factor effect becomes significant for a neutrino magnetic moment μν> 10⁻¹⁰ muB and for a neutrino radius R > 10⁻⁶ MeV⁻¹. The mean free path is found to be sensitive to the nuₑ-nuₘu and nuₑ-nuₑʳ transition probabilities.