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Optical effects in Gaseous Electron Multipliers (GEMs)
D. Edgeman, F. M. Brunbauer, M. Gardner +9
Optical time projection chambers (OTPCs) are well suited for applications that require the highest spatial resolution for particle track reconstruction. The MIGDAL experiment uses…
Deep learning for improved keV-scale recoil identification in high resolution gas time projection chambers
J. Schueler, M. Ghrear, S. E. Vahsen +2
Recoil-imaging gaseous time projection chambers (TPCs) with directional sensitivity are attractive for dark matter (DM) searches. Detectors capable of reconstructing 3D nuclear rec…
Recoil imaging for directional detection of dark matter, neutrinos, and physics beyond the Standard Model
C. A. J. O'Hare, D. Loomba, K. Altenmüller +164
Recoil imaging entails the detection of spatially resolved ionization tracks generated by particle interactions. This is a highly sought-after capability in many classes of detecto…
Measurements of Beam Backgrounds in SuperKEKB Phase 2
Zachary J. Liptak, Antonio Paladino, Luka Santelj +66
The high design luminosity of the SuperKEKB electron-positron collider will result in challenging levels of beam-induced backgro\ unds in the interaction region. Understanding and…
Application of recoil-imaging time projection chambers to directional neutron background measurements in the SuperKEKB accelerator tunnel
J. Schueler, S. E. Vahsen, P. M. Lewis +6
Gaseous time projection chambers (TPCs) with high readout segmentation are capable of reconstructing detailed 3D ionization distributions of nuclear recoils resulting from elastic…
Primary track recovery in high-definition gas time projection chambers
P. M. Lewis, M. T. Hedges, I. Jaegle +3
We develop and validate a new algorithm called \textit{primary track recovery} (\ptr) that effectively deconvolves known physics and detector effects from nuclear recoil tracks in…
First 3D vector tracking of helium recoils for fast neutron measurements at SuperKEKB
M. T. Hedges, S. E. Vahsen, I. Jaegle +4
We present results from the first deployment of novel, high definition, compact gas Time Projection Chambers (TPCs) with pixel chip readout as part of the BEAST II beam background…
Compact, directional neutron detectors capable of high-resolution nuclear recoil imaging
I. Jaegle, P. M. Lewis, M. Garcia-Sciveres +10
We report on the design, production, and performance of compact 40-cm Time Projection Chambers (TPCs) that detect fast neutrons by measuring the three-dimensional (3D) ionizati…