Search for the Neutrino Magnetic Moment in the Non-Equilibrium Reactor Antineutrino Energy Spectrum

摘要

We study the time evolution of the typical nuclear reactor antineutrinoenergy spectrum during reactor ON period and the decay of the residualantineutrino spectrum after reactor is stopped. We find that relevantvariations of the soft recoil electron spectra produced via weak and magnetic${\widetilde {\nu}}_{e},e$ scattering process can play a signigicant role inthe current and planned searches for the neutrino magnetic moment at reactors.