e${}^{+}$/e${}^{-}$ Discrimination in Liquid Scintillator and Its Usage to Suppress ${}^8$He/${}^9$Li Backgrounds

Ya-Ping Cheng, Liang-Jian Wen, Peng Zhang +1

Reactor neutrino experiments build large-scale detector systems to detect neutrinos. In liquid scintillator, a neutral bound state of a positron and an electron, named positronium,…