Production of Gadolinium-loaded Liquid Scintillator for the Daya Bay Reactor Neutrino Experiment

摘要

We report on the production and characterization of liquid scintillators forthe detection of electron antineutrinos by the Daya Bay Reactor NeutrinoExperiment. One hundred eighty-five tons of gadolinium-loaded (0.1% by mass)liquid scintillator (Gd-LS) and two hundred tons of unloaded liquidscintillator (LS) were successfully produced from a linear-alkylbenzene (LAB)solvent in six months. The scintillator properties, the production andpurification systems, and the quality assurance and control (QA/QC) proceduresare described.