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Demonstration of Single Barium Ion Sensitivity for Neutrinoless Double Beta Decay using Single Molecule Fluorescence Imaging
A. D. McDonald, B. J. P. Jones, D. R. Nygren +71
A new method to tag the barium daughter in the double beta decay of Xe is reported. Using the technique of single molecule fluorescent imaging (SMFI), individual barium dic…
Helium-Xenon mixtures to improve topological signature in high pressure gas Xenon TPCs
R. Felkai, F. Monrabal, D. Gonzalez-Díaz +72
Within the framework of xenon-based double beta decay experiments, we propose the possibility to improve the background rejection of an electroluminescent Time Projection Chamber (…
Application and performance of an ML-EM algorithm in NEXT
NEXT Collaboration, A. Simón, C. Lerche +67
The goal of the NEXT experiment is the observation of neutrinoless double beta decay in Xe using a gaseous xenon TPC with electroluminescent amplification and specialized p…
Secondary scintillation yield of Xenon with sub-percent levels of CO2 additive: efficiently reducing electron diffusion in HPXe optical TPCs for rare-event detection
C. A. O. Henriques, E. D. C. Freitas, C. D. R. Azevedo +67
We have measured the electroluminescence (EL) yield of Xe-CO2 mixtures, with sub-percent CO2 concentrations. We demonstrate that the EL production is still high in these mixtures,…