Measurement of the light yield response of the Gd-compatible water-based liquid scintillator with the Brookhaven one-ton testbed
Phys. Rev. D 113, 092015 – Published 26 May, 2026
DOI: https://doi.org/10.1103/m1qd-yg4r
Abstract
The water-based liquid scintillator (WbLS) enables hybrid detection by combining scintillation and Cherenkov signals, providing superior event reconstruction capabilities compared to conventional neutrino detectors. We measured the light yield of Gd-compatible WbLS at varying concentrations from 0.35% to 1% by mass, using cosmic-ray muons in a 1-ton scale detector at Brookhaven National Laboratory. The light yield is measured as at 0.35% concentration, which increased to at 1%. These results establish a quantitative basis for optimizing future WbLS-based detectors in neutrino physics.