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NEXT-CRAB-0: A High Pressure Gaseous Xenon Time Projection Chamber with a Direct VUV Camera Based Readout
NEXT Collaboration, N. K. Byrnes, I. Parmaksiz +116
The search for neutrinoless double beta decay () remains one of the most compelling experimental avenues for the discovery in the neutrino sector. Electroluminescent gas-phas…
A Compact Dication Source for Ba Tagging and Heavy Metal Ion Sensor Development
K. E. Navarro, B. J. P. Jones, J. Baeza-Rubio +107
We present a tunable metal ion beam that delivers controllable ion currents in the picoamp range for testing of dry-phase ion sensors. Ion beams are formed by sequential atomic eva…
Reflectance and fluorescence characteristics of PTFE coated with TPB at visible, UV, and VUV as a function of thickness
J. Haefner, A. Fahs, J. Ho +100
Polytetrafluoroethylene (PTFE) is an excellent diffuse reflector widely used in light collection systems for particle physics experiments. In noble element systems, it is often coa…
Neutral Bremsstrahlung emission in xenon unveiled
C. A. O. Henriques, P. Amedo, J. M. R. Teixeira +90
We present evidence of non-excimer-based secondary scintillation in gaseous xenon, obtained using both the NEXT-White TPC and a dedicated setup. Detailed comparison with first-prin…
The Dynamics of Ions on Phased Radio-frequency Carpets in High Pressure Gases and Application for Barium Tagging in Xenon Gas Time Projection Chambers
NEXT Collaboration, B. J. P. Jones, A. Raymond +107
Radio-frequency (RF) carpets with ultra-fine pitches are examined for ion transport in gases at atmospheric pressures and above. We develop new analytic and computational methods f…
Boosting background suppression in the NEXT experiment through Richardson-Lucy deconvolution
A. Simón, Y. Ifergan, A. B. Redwine +100
Next-generation neutrinoless double beta decay experiments aim for half-life sensitivities of ~ yr, requiring suppressing backgrounds to <1 count/tonne/yr. For this, any e…