The knowledge of scintillation quenching of α-particles plays a paramount role in understanding α-induced backgrounds and improving the sensitivity of liquid argon-based direct detection of dark matter experiments. We performed a relative measurement of scintillation quenching in the MeV energy region using radioactive isotopes (222Rn, 218Po and 214Po isotopes) present in trace amounts in the DEAP-3600 detector and quantified the uncertainty of extrapolating the quenching factor to the low-energy region.
Relative measurement and extrapolation of the scintillation quenching factor of α-particles in liquid argon using DEAP-3600 data
Walczak, M.;
2025-01-01
Abstract
The knowledge of scintillation quenching of α-particles plays a paramount role in understanding α-induced backgrounds and improving the sensitivity of liquid argon-based direct detection of dark matter experiments. We performed a relative measurement of scintillation quenching in the MeV energy region using radioactive isotopes (222Rn, 218Po and 214Po isotopes) present in trace amounts in the DEAP-3600 detector and quantified the uncertainty of extrapolating the quenching factor to the low-energy region.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
