Novel liquid scintillator radon detector

Purpose Radon is a noble gas, which endangers our health. The liquid scintillator is one of the detector materials used to measure radon in the environment. But there are challenges in measuring radon using a liquid scintillator, such as independent manual operation and long measurement periods. Methods and Results We propose a liquid scintillator detector for the rapid measurement of radon, which is composed of a breathable liquid scintillator probe and photomultiplier tube. Cascade decay recognition and pulse shape discrimination (PSD) were used to select radon events. ^241 Am4( α ) and ^90 Sr( β ) source calibration was used to optimize the PSD figure of merit of the liquid scintillator, and a ^232 Th ( ^220 Rn) diffusion source was used to verify the function of this novel detector for measuring radon. Conclusion The detector had an integrated design for sampling and measurement, which simplified the measurement steps. Thus, this novel liquid scintillator detector demonstrated promise for use in radon-detection systems.