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Sub-25 ps timing measurements with $10 \times 10$ cm$^2$ PICOSEC Micromegas detectors
/ Lisowska, M (CERN ; U. Paris-Saclay) ; Bortfeldt, J (Munich U.) ; Brunbauer, F (CERN) ; Fanourakis, G (Democritos Nucl. Res. Ctr.) ; Floethner, K J (CERN ; Helmholtz Inst., Mainz) ; Gallinaro, M (LIP, Lisbon) ; Garcia, F (Helsinki Inst. of Phys.) ; Giomataris, I (IRFU, Saclay) ; Gustavsson, T (LIDYL, Saclay) ; Iguaz, F J (IRFU, Saclay) et al.
The PICOSEC Micromegas detector is a precise timing gaseous detector based on a Cherenkov radiator coupled to a semi-transparent photocathode and a Micromegas amplifying structure. First single-pad prototypes demonstrated a time resolution below 𝜎 = 25 ps, however, to make the concept appropriate to physics applications, several developments are required. [...]
2023 - 7 p.
Fulltext: PDF;
In : 9th Conference on New Developments in Photodetection, Troyes, France, 4 - 8 Jul 2022, pp.167687
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PICOSEC Micromegas Precise-timing Detectors: Development towards Large-Area and Integration
/ Meng, Y. (USTC, Hefei ; Hefei, CUST) ; Aleksan, R. (IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Bortfeld, J. (LMU Munich (main)) ; Brunbauer, F. (CERN) ; Brunoldi, M. (Pavia U. ; INFN, Pavia) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Datt, J. (SUNY, Stony Brook) ; Degmelt, K. (CERN) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) et al.
PICOSEC Micromegas (MM) is a precise timing gaseous detector based on a Cherenkov radiator coupled with a semi-transparent photocathode and an MM amplifying structure. [...]
arXiv:2501.04991.
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A large area 100-channel PICOSEC Micromegas detector with time resolution at the 20 ps level
/ Utrobicic, A. (Boskovic Inst., Zagreb) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Aune, Stephan ; Bortfeldt, J. (Munich U.) ; Brunbauer, F. (CERN) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Dehmelt, K. (SUNY, Stony Brook) ; Desforge, Daniel ; Fanourakis, G. (American Coll. of Greece) ; Floethner, K.J. (CERN ; Bonn U., HISKP) et al.
The PICOSEC Micromegas precise timing detector is based on a Cherenkov radiator coupled to a semi-transparent photocathode and a Micromegas amplification structure. The first proof of concept single-channel small area prototype was able to achieve time resolution below 25 ps. [...]
arXiv:2304.00056; FERMILAB-PUB-23-159-V; JLAB-PHY-23-3799.-
2023-07-12 - 10 p.
- Published in : JINST
Fulltext: FERMILAB-PUB-23-159-V - PDF; e11a25382b5d2a8c79973558bc560c53 - PDF; 2304.00056 - PDF; External links: JLab Document Server; Fermilab Library Server
In : 7th International Conference on Micro Pattern Gaseous Detectors 2022 (MPGD 2022), Rehovot, Israel, 11 - 16 Dec 2022
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Towards robust PICOSEC Micromegas precise timing detectors
/ Lisowska, M. (CERN ; IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Aune, S. (IRFU, Saclay) ; Bortfeldt, J. (Munich U.) ; Brunbauer, F. (CERN) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Dehmelt, K. (SUNY, Stony Brook) ; Desforge, D. (IRFU, Saclay) ; Fanourakis, G. (American Coll. of Greece) ; Floethner, K.J. (CERN ; Bonn U., HISKP) et al.
The PICOSEC Micromegas (MM) detector is a precise timing gaseous detector consisting of a Cherenkov radiator combined with a photocathode and a MM amplifying structure. A 100-channel non-resistive PICOSEC MM prototype with 10x10 cm^2 active area equipped with a Cesium Iodide (CsI) photocathode demonstrated a time resolution below 18 ps. [...]
arXiv:2303.18141; JLAB-PHY-23-3798.-
2023-07-28 - 8 p.
- Published in : JINST
Fulltext: 2303.18141 - PDF; FERMILAB-PUB-23-158-V - PDF; Publication - PDF; External links: JLab Document Server; Fermilab Library Server
In : 7th International Conference on Micro Pattern Gaseous Detectors 2022 (MPGD 2022), Rehovot, Israel, 11 - 16 Dec 2022, pp.C07018
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A Novel Diamond-like Carbon based photocathode for PICOSEC Micromegas detectors
/ Wang, X. (USTC, Hefei ; Hefei, CUST) ; Aleksan, R. (IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Bortfeldt, J. (LMU Munich (main)) ; Brunbauer, F. (CERN) ; Brunoldi, M. (Pavia U. ; INFN, Pavia) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Datta, J. (Stony Brook U.) ; Degmelt, K. (Jefferson Lab) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) et al.
The PICOSEC Micromegas (MM) detector is a precise timing gaseous detector based on a MM detector operating in a two-stage amplification mode and a Cherenkov radiator. Prototypes equipped with cesium iodide (CsI) photocathodes have shown promising time resolutions as precise as 24 picoseconds (ps) for Minimum Ionizing Particles. [...]
arXiv:2406.08712.-
2024-08-12 - 15 p.
- Published in : JINST 19 (2024) P08010
Fulltext: 806956891d4956950d85abdbaee8cf0d - PDF; 2406.08712 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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Single channel PICOSEC Micromegas detector with improved time resolution
/ Utrobicic, A. (Boskovic Inst., Zagreb) ; Aleksan, R. (IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Bortfeldt, J. (Munich U.) ; Brunbauer, F. (CERN) ; Brunoldi, M. (Pavia U. ; INFN, Pavia) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Datta, J. (SUNY, Stony Brook) ; Dehmelt, K. (Jefferson Lab) ; Fanourakis, G. (American Coll. of Greece) et al.
This paper presents design guidelines and experimental verification of a single-channel PICOSEC Micromegas (MM) detector with an improved time resolution. The design encompasses the detector board, vessel, auxiliary mechanical parts, and electrical connectivity for high voltage (HV) and signals, focusing on improving stability, reducing noise, and ensuring signal integrity to optimize timing performance. [...]
arXiv:2406.05657; FERMILAB-PUB-24-0499-CMS-V.-
2024-12-16 - 11 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1072 (2025) 170127
Fulltext: 2406.05657 - PDF; 9799b01fc06dbef84710538b6ae3d6d9 - PDF; External link: Fermilab Library Server
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Photocathode characterisation for robust PICOSEC Micromegas precise-timing detectors
/ Lisowska, M. (CERN ; IRFU, Saclay) ; Aleksan, R. (IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Aune, S. (IRFU, Saclay) ; Bortfeldt, J. (Munich U.) ; Brunbauer, F. (CERN) ; Brunoldi, M. (Pavia U. ; INFN, Pavia) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Datta, J. (SUNY, Stony Brook) ; Dehmelt, K. (Jefferson Lab) et al.
The PICOSEC Micromegas detector is a~precise-timing gaseous detector based on a~Cherenkov radiator coupled with a~semi-transparent photocathode and a~Micromegas amplifying structure, targeting a~time resolution of tens of picoseconds for minimum ionising particles. Initial single-pad prototypes have demonstrated a~time resolution below 25 ps, prompting ongoing developments to adapt the concept for High Energy Physics applications, where sub-nanosecond precision is essential for event separation, improved track reconstruction and particle identification. [...]
arXiv:2407.09953.-
2024-12-10 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1072 (2025) 170151
Fulltext: 2407.09953 - PDF; 1732afb3515e2b936d222cb357afcde6 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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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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PICOSEC-Micromegas Detector, an innovative solution for Lepton Time Tagging
/ Kallitsopoulou, A. (IRFU, Saclay) ; Aleksan, R. (IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Aune, S. (IRFU, Saclay) ; Bortfeldt, J. (Munich U.) ; Brunbauer, F. (CERN) ; Brunoldi, M. (Pavia U. ; INFN, Pavia) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Datta, J. (SUNY, Stony Brook) ; Desforge, D. (IRFU, Saclay) et al.
The PICOSEC-Micromegas (PICOSEC-MM) detector is a novel gaseous detector designed for precise timing resolution in experimental measurements. It eliminates time jitter from charged particles in ionization gaps by using extreme UV Cherenkov light emitted in a crystal, detected by a Micromegas photodetector with an appropriate photocathode. [...]
arXiv:2411.02532; FERMILAB-PUB-24-0980-CMS-V.-
2024-10-16 - 4 p.
Fulltext: PDF; Fulltext from Publisher: PDF;
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Timing performance of a multi-pad PICOSEC-Micromegas detector prototype
/ Aune, S. (IRFU, Saclay) ; Bortfeldt, J. (CERN) ; Brunbauer, F. (CERN) ; David, C. (CERN) ; Desforge, D. (IRFU, Saclay) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Gallinaro, M. (LIP, Lisbon) ; García, F. (Helsinki Inst. of Phys.) ; Giomataris, I. (IRFU, Saclay) ; Gustavsson, T. (LIDYL, Saclay) et al.
The multi-pad PICOSEC-Micromegas is an improved detector prototype with a segmented anode, consisting of 19 hexagonal pads. Detailed studies are performed with data collected in a muon beam over four representative pads. [...]
arXiv:2012.00545.-
2021-03-21 - 29 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 993 (2021) 165076
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