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1.
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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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2.
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Embedding the Timepix4 in Micro-Pattern Gaseous Detectors
/ Scharenberg, L. (CERN) ; Alozy, J. (CERN) ; Billereau, W. (CERN) ; Brunbauer, F. (CERN) ; Campbell, M. (CERN) ; Carbonez, P. (CERN) ; Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Garcia, F. (Helsinki U.) ; Garcia-Tejedor, A. (CERN) ; Genetay, T. (CERN) et al.
The combination of Micro-Pattern Gaseous Detectors (MPGDs) and pixel charge readout enables specific experimental opportunities. Using the Timepix4 for the readout is advantageous because of its size (around 7 cm^2 active area) and its Through Silicon Vias. [...]
arXiv:2503.12458.-
2025-06-02 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1080 (2025) 170657
Fulltext: 2503.12458 - PDF; publication - PDF;
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3.
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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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4.
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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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5.
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Towards MPGDs with embedded pixel ASICs
/ Scharenberg, L. (CERN) ; Alozy, J. (CERN) ; Billereau, W. (CERN) ; Brunbauer, F. (CERN) ; Campbell, M. (CERN) ; Carbonez, P. (CERN) ; Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Garcia, F. (Helsinki Inst. of Phys.) ; Garcia-Tejedor, A. (CERN) ; Genetay, T. (CERN) et al.
Combining gaseous detectors with a high-granularity pixelated charge readout enables experimental applications which otherwise could not be achieved. This includes high-resolution tracking of low-energetic particles, requiring ultra-low material budget, X-ray polarimetry at low energies ($\lessapprox$ 2 keV) or rare-event searches which profit from event selection based on geometrical parameters. [...]
arXiv:2412.16950.-
2025-03-18 - 6 p.
- Published in : JINST 20 (2025) C03025
Fulltext: 2412.16950 - PDF; document - PDF;
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6.
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Spatial resolution improvements with finer-pitch GEMs
/ Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Scharenberg, L. (CERN) ; Brask, A. (Aarhus U. (main) ; CERN) ; Brunbauer, F. (CERN) ; Garcia, F. (Helsinki Inst. of Phys.) ; Janssens, D. (CERN) ; Ketzer, B. (Bonn U., HISKP) ; Lisowska, M. (CERN ; U. Paris-Saclay) ; Muller, H. (CERN ; Bonn U.) ; Oliveri, E. (CERN) et al.
Gas Electron Multipliers (GEMs) are used in many particle physics experiments, employing their 'standard' configuration with amplification holes of 140 um pitch in a hexagonal pattern. However, the collection of the charge cloud from the primary ionisation electrons from the drift region of the detector into the GEM holes affects the position information from the initial interacting particle. [...]
arXiv:2406.05836.-
2024-07-24 - 11 p.
- Published in : JINST 19 (2024) P07027
Fulltext: 2406.05836 - PDF; document - PDF;
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7.
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Characterisation of resistive MPGDs with 2D readout
/ Scharenberg, L. (CERN) ; Brunbauer, F. (CERN) ; Danielsson, H. (CERN) ; Fang, Z. (CUST, SKLPDE ; Hefei, CUST) ; Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Garcia, F. (Helsinki Inst. of Phys.) ; Janssens, D. (CERN ; Brussels U., IIHE ; Vrije U., Brussels) ; Lisowska, M. (CERN ; U. Paris-Saclay) ; Liu, J. (CUST, SKLPDE ; Hefei, CUST) ; Lyu, Y. (CUST, SKLPDE ; Hefei, CUST) et al.
Micro-Pattern Gaseous Detectors (MPGDs) with resistive anode planes provide intrinsic discharge robustness while maintaining good spatial and time resolutions. Typically read out with 1D strips or pad structures, here the characterisation results of resistive anode plane MPGDs with 2D strip readout are presented. [...]
arXiv:2402.03899.-
2024-05-21 - 13 p.
- Published in : JINST 19 (2024) P05053
Fulltext: 2402.03899 - PDF; document - PDF;
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8.
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9.
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10.
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Development of a high-rate scalable readout system for gaseous detectors
/ Scharenberg, L (CERN ; Bonn U.) ; Bortfeldt, J (LMU Munich (main)) ; Brunbauer, F (CERN) ; Christensen, M J (ESS, Lund) ; Desch, K (Bonn U.) ; Flöthner, K (CERN ; Bonn U.) ; Garcia, F (Helsinki Inst. of Phys.) ; Janssens, D (CERN ; Vrije U., Brussels ; Brussels U., IIHE) ; Kaminski, J (Bonn U.) ; Lisowska, M (CERN ; U. Paris-Saclay) et al.
The RD51 collaboration developed the Scalable Readout System (SRS) as part of its R&D; activities on Micro-Pattern Gaseous Detectors. This common multi-purpose readout system allows to read out small R&D; detectors (0.2k channels) up to mid-sized experiments with multiple detectors (2.5k to 5k channels). [...]
2022 - 9 p.
- Published in : JINST 17 (2022) C12014
In : Topical Workshop on Electronics for Particle Physics 2022 (TWEPP 2022), Bergen, Norway, 19 - 23 Sep 2022, pp.C12014
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