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Başlık: Live event reconstruction in an optically read out GEM-based TPC
Yazarlar: Brunbauer, Florian Maximilian
Galgóczi, Gábor
Oliveri, Eraldo
Resnati, Filippo
Ropelewski, Leszek
Streli, Christina
Thuiner, Patrik
Van Stenis, Miranda
Uludağ Üniversitesi.
0000-0002-6809-5996
Díaz, Diego González
K-7265-2014
6507842627
Anahtar kelimeler: Instruments & instrumentation
Nuclear science & technology
Physics
GEM detectors
Micro pattern gas chambers
Optical readout
Scintillation reconstruction
Time projection chambers
CCD cameras
Data acquisition
Electron multipliers
Particle detectors
Photomultipliers
Radiation detectors
Scintillation
Gas chambers
Gaseous electron multipliers
GEM detectors
High spatial resolution
Optical readout
Photo multiplier tube
Time projection chambers
Track reconstruction
Image reconstruction
Yayın Tarihi: 27-Ara-2017
Yayıncı: Elsevier
Atıf: Brunbauer, F. M. vd. (2018). ''Live event reconstruction in an optically read out GEM-based TPC''. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 886, 24-29.
Özet: Combining strong signal amplification made possible by Gaseous Electron Multipliers (GEMs) with the high spatial resolution provided by optical readout, highly performing radiation detectors can be realized. An optically read out GEM-based Time Projection Chamber (TPC) is presented. The device permits 3D track reconstruction by combining the 2D projections obtained with a CCD camera with timing information from a photomultiplier tube. Owing to the intuitive 2D representation of the tracks in the images and to automated control, data acquisition and event reconstruction algorithms, the optically read out TPC permits live display of reconstructed tracks in three dimensions. An Ar/CF4 (80/20%) gas mixture was used to maximize scintillation yield in the visible wavelength region matching the quantum efficiency of the camera. The device is integrated in a UHV-grade vessel allowing for precise control of the gas composition and purity. Long term studies in sealed mode operation revealed a minor decrease in the scintillation light intensity.
URI: https://doi.org/10.1016/j.nima.2017.12.077
https://www.sciencedirect.com/science/article/pii/S016890021731495X
http://hdl.handle.net/11452/34429
ISSN: 0168-9002
1872-9576
Koleksiyonlarda Görünür:Scopus
Web of Science

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