Combined Optical and Electronic Readout For Event Reconstruction in a GEM-based TPC
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Combined Optical and Electronic Readout For Event Reconstruction in a GEM-based TPC. / Brunbauer, Florian M.; Garcia, Francisco; Korkalainen, Tero; Lugstein, Alois; Lupberger, Michael; Oliveri, Eraldo; Pfeiffer, Dorothea; Ropelewski, Leszek; Thuiner, Patrik; Schinnerl, Markus.
In: IEEE Transactions on Nuclear Science, Vol. 65, No. 3, 01.02.2018, p. 913-918.Research output: Contribution to journal › Article › Scientific › peer-review
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T1 - Combined Optical and Electronic Readout For Event Reconstruction in a GEM-based TPC
AU - Brunbauer, Florian M.
AU - Garcia, Francisco
AU - Korkalainen, Tero
AU - Lugstein, Alois
AU - Lupberger, Michael
AU - Oliveri, Eraldo
AU - Pfeiffer, Dorothea
AU - Ropelewski, Leszek
AU - Thuiner, Patrik
AU - Schinnerl, Markus
PY - 2018/2/1
Y1 - 2018/2/1
N2 - Optically read out Time Projection Chambers (TPCs) based on Gaseous Electron Multipliers (GEMs) combine 3D event reconstruction capabilities with high spatial resolution and charge amplification factors. The approach of reconstructing particle tracks from 2D projections obtained with imaging sensors and depth information from Photomultiplier Tubes (PMTs) is limited to specific cases such as straight particle trajectories. A combination of optical and electronic readout realized by a semi-transparent anode placed between a triple-GEM stack and a camera in an optically read out TPC has been realized and used to reconstruct more complex particle tracks. High spatial resolution 2D projections combined with a low number of charge readout channels enable accurate 3D event topology reconstruction. Straight alpha tracks as well as more complex cosmic events have been reconstructed with the presented readout concept. Relative depth information from electronically read out charge signals has been combined with drift time information between primary and secondary scintillation pulses to absolute alpha track reconstructions.
AB - Optically read out Time Projection Chambers (TPCs) based on Gaseous Electron Multipliers (GEMs) combine 3D event reconstruction capabilities with high spatial resolution and charge amplification factors. The approach of reconstructing particle tracks from 2D projections obtained with imaging sensors and depth information from Photomultiplier Tubes (PMTs) is limited to specific cases such as straight particle trajectories. A combination of optical and electronic readout realized by a semi-transparent anode placed between a triple-GEM stack and a camera in an optically read out TPC has been realized and used to reconstruct more complex particle tracks. High spatial resolution 2D projections combined with a low number of charge readout channels enable accurate 3D event topology reconstruction. Straight alpha tracks as well as more complex cosmic events have been reconstructed with the presented readout concept. Relative depth information from electronically read out charge signals has been combined with drift time information between primary and secondary scintillation pulses to absolute alpha track reconstructions.
KW - Event building
KW - GEM detectors
KW - Micropattern gas chambers
KW - Optical signal detection
KW - Particle detectors
KW - Position sensitive detectors
KW - Proportional gas scintillation detectors
KW - Radiation detectors
KW - Readout systems
KW - Scintillation detectors
KW - Signal reconstruction
KW - Time projection chambers
UR - http://www.scopus.com/inward/record.url?scp=85041399233&partnerID=8YFLogxK
U2 - 10.1109/TNS.2018.2800775
DO - 10.1109/TNS.2018.2800775
M3 - Article
VL - 65
SP - 913
EP - 918
JO - IEEE Transactions on Nuclear Science
JF - IEEE Transactions on Nuclear Science
SN - 0018-9499
IS - 3
ER -
ID: 17662386
