Adey D. et al. (Daya Bay Collaboration)YEE HSIUNG2021-07-282021-07-2820191689002https://www.scopus.com/inward/record.uri?eid=2-s2.0-85067607188&doi=10.1016%2fj.nima.2019.06.031&partnerID=40&md5=1bcdd03555069d59112f4052b0b0ce1bhttps://scholars.lib.ntu.edu.tw/handle/123456789/575263A high precision calibration of the nonlinearity in the energy response of the Daya Bay Reactor Neutrino Experiment's antineutrino detectors is presented in detail. The energy nonlinearity originates from the particle-dependent light yield of the scintillator and charge-dependent electronics response. The nonlinearity model is constrained by γ calibration points from deployed and naturally occurring radioactive sources, the β spectrum from 12B decays, and a direct measurement of the electronics nonlinearity with a new flash analog-to-digital converter readout system. Less than 0.5% uncertainty in the energy nonlinearity calibration is achieved for positrons of kinetic energies greater than 1 MeV. ? 2019Analog to digital conversion; Elementary particles; Kinetic energy; Radioactivity; Scintillation counters; Daya Bay; Energy calibration; Flash Analog-to-digital Converters; High-precision calibration; Liquid scintillator; Neutrino; Neutrino experiments; Radioactive sources; Calibration[SDGs]SDG7journal article10.1016/j.nima.2019.06.0312-s2.0-85067607188