2022/08/06 by Xing, Zhi-zhong, Zhu, Jun-yu
#FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
paper · doi:10.48550/arxiv.2208.03488
The one-loop electroweak radiative corrections to coherent forward neutrino scattering in a medium slightly violates the tree-level universality of neutral-current contributions of three neutrino flavors to the matter potential that is relevant to neutrino oscillations in matter. We examine this small but nontrivial quantum effect by deriving the differential equations of those effective neutrino oscillation quantities with respect to the electron number density of matter. The tree-level Toshev relation sin 2θ23 sinδ = sin 2θ23 sinδ, which links the fundamental flavor-mixing and CP-violating parameters