Аннотация:We study damping signatures at the Jiangmen Underground Neutrino Observatory (JUNO), a medium-baseline reactor neutrino oscillation experiment. These damping signatures are motivated by various new physics models, including quantum decoherence, nu_3 decay, neutrino absorption, and wave packet decoherence. The phenomenological effects of these models can be characterized by exponential damping factors at the probability level. We assess how well JUNO can constrain these damping parameters and how to disentangle these different damping signatures at JUNO. Compared to current experimental limits,
JUNO can significantly improve the limits on tau_3/m_3 in the nu_3 decay model, the width of the neutrino wave packet sigma_x, and the intrinsic relative dispersion of neutrino momentum sigma_rel.