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Primary and secondary scintillation of CF4-based mixtures in low-pressure gaseous detectors
/ Brunbauer, F M (CERN) ; Amedo, P (Santiago de Compostela U., IGFAE) ; Flöthner, K J (CERN ; Bonn U.) ; Gonzalez Diaz, D (Santiago de Compostela U., IGFAE) ; Janssens, D (CERN) ; Leardini, S (Santiago de Compostela U., IGFAE) ; Lisowska, M (CERN) ; Müller, H (CERN ; Bonn U.) ; Oliveri, E (CERN) ; Orlandini, G (CERN) et al.
Optical readout of micro-pattern gaseous detectors relies on recording scintillation light emitted during electron avalanche multiplication with imaging sensors of high-granularity pixelated readout. It can be used in applications such as optical Time Projection Chambers for track reconstruction, low material budget beam monitoring or radiography, to name but a few. [...]
2025 - 8 p.
- Published in : Front. Detect. Sci. Tech. 3 (2025) 1561739
Fulltext: PDF;
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The Ultra-Low material budget GEM based TPC for tracking with VMM3a readout
/ Garcia, F. (Helsinki U.) ; Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Amato, A. (PSI, Villigen) ; Biswas, S. (PSI, Villigen) ; Brunbauer, F.M. (CERN) ; Heiss, M.W. (PSI, Villigen) ; Janka, G. (PSI, Villigen) ; Janssens, D. (CERN) ; Lisowska, M. (CERN ; U. Paris-Saclay) ; Meurer, M. (CERN ; Munich U.) et al.
The Gaseous Electron Multiplier-based Time Projection Chamber (GEM-TPC) in TWIN configuration for particle tracking has been consolidated after extensive investigations in different facilities to study its tracking performance. The most attractive feature of this detector is its ultra-low material budget, which is 0.28% X/X$_0$ and can be further reduced by decreasing the thickness of the gas traversed by the incident particles. [...]
arXiv:2501.09587.-
2025-04-01 - 7 p.
- Published in : JINST 20 (2025) C04004
Fulltext: 2501.09587 - PDF; document - PDF;
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Application of the VMM3a/SRS: A t0-less TWIN GEM-based TPC
/ Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Garcia, F. (Helsinki U.) ; Oberhauser, B. (PSI, Villigen ; Zurich, ETH) ; Brunbauer, F. (CERN) ; Heiss, M.W. (PSI, Villigen) ; Janssens, D. (CERN ; Brussels U., IIHE ; Vrije U., Brussels) ; Ketzer, B. (Bonn U., HISKP) ; Lisowska, M. (CERN) ; Meurer, M. (CERN ; Munich U.) ; Muller, H. (CERN ; Bonn U.) et al.
Integrating the ATLAS/BNL VMM3a ASIC (Application Specific Integrated Circuit) into the RD51/SRS (Scalable Readout System) provides a self-triggered continuous readout system for various gaseous detectors. Since the system allows flexible parameters, such as switching the polarity, adjusting electronics gain or different peaking times, the settings can be adjusted for a wide range of detectors. [...]
arXiv:2501.10207.-
2025-07-17 - 6 p.
- Published in : JINST 20 (2025) C07050
Fulltext: 2501.10207 - PDF; document - PDF;
In : 8th International Conference on Micro-Pattern Gaseous Detectors (MPGD2024), Hefei, China, 14 - 18 October, pp.C07050
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Review of particle physics, 2024-2025
/ Particle Data Group Collaboration
The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 2,717 new measurements from 869 papers, we list, evaluate, and average measured properties of gauge bosons and the recently discovered Higgs boson, leptons, quarks, mesons, and baryons [...]
2024 - 1166 p.
- Published in : Phys. Rev. D 110 (2024) 030001
Fulltext: PDF;
Purchase it for me!
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The XYU-GEM: Ambiguity-free coordinate readout of the Gas Electron Multiplier
/ Flöthner, K J (CERN ; Bonn U., HISKP) ; Janssens, D (CERN ; Brussels U., IIHE ; Vrije U., Brussels) ; Brunbauer, F (CERN) ; Ferry, S (CERN) ; Ketzer, B (Bonn U., HISKP) ; Lisowska, M (CERN ; IRFU, Saclay) ; Muller, H (CERN ; Bonn U.) ; de Oliveira, R (CERN) ; Oliveri, E (CERN) ; Orlandini, G (CERN ; Erlangen - Nuremberg U.) et al.
We describe the development of a position-sensitive Gas Electron Multiplier detector prototype, providing for each ionizing event three coordinates: the cartesian X and Y, and U at 45°. Simultaneous recording of the three projections permits ambiguity-free reconstruction of multiple tracks, and aims at operation in very high intensity radiation fields..
2023 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1052 (2023) 168257
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The novel XYU-GEM to resolve ambiguities
/ Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Brunbauer, F. (CERN) ; Ferry, S. (CERN) ; Garcia, F. (Helsinki U.) ; Janssens, D. (CERN ; Brussels U., IIHE ; Vrije U., Brussels) ; Ketzer, B. (Bonn U., HISKP) ; Lisowska, M. (CERN ; U. Paris-Saclay) ; Muller, H. (CERN ; Bonn U.) ; de Oliveira, R. (CERN) ; Oliveri, E. (CERN) et al.
Removing ambiguities within a single stage becomes crucial when one can not use multiple detectors behind each other to resolve them which naturally is the case for neutral radiation. An example would be RICH detectors. [...]
arXiv:2303.18105.-
2023-06-26 - 5 p.
- Published in : JINST
Fulltext: 2303.18105 - PDF; document - PDF;
In : 7th International Conference on Micro Pattern Gaseous Detectors 2022 (MPGD 2022), Rehovot, Israel, 11 - 16 Dec 2022, pp.C06025
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