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Development and characterization of hybrid MCP-PMT with embedded Timepix4 ASIC used as pixelated anode
/ Bolzonella, R (INFN, Ferrara ; CERN ; U. Ferrara (main)) ; Alozy, J (CERN) ; Ballabriga, R (CERN) ; Biesuz, N V (INFN, Ferrara) ; Campbell, M (CERN) ; Cavallini, V (INFN, Ferrara ; U. Ferrara (main)) ; Cotta Ramusino, A (INFN, Ferrara) ; Fiorini, M (INFN, Ferrara ; U. Ferrara (main)) ; Franzoso, E (INFN, Ferrara) ; Guarise, M (INFN, Ferrara ; U. Ferrara (main)) et al.
We present a novel single-photon detector based on a vacuum tube incorporating a photocathode, a microchannel plate (MCP), and a Timepix4 CMOS ASIC functioning as a pixelated anode. Designed to handle photon rates up to 1 billion per second across a $7$ $\text{cm}^2$ active area, the detector achieves outstanding spatial and temporal resolutions of $5 - 10$ $\mu\text{m}$ and below $50$ $\text{ps}$ r.m.s., respectively. [...]
2025 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 170965
In : 17th Vienna Conference on Instrumentation (VCI2025), Vienna, Austria, 17 - 21 Feb 2025, pp.170965
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2.
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Toward Sub-100 ps TOF-PET Systems Employing the FastIC ASIC With Analog SiPMs
/ Mariscal-Castilla, A (ICC, Barcelona U.) ; Gómez, S (Barcelona, Polytechnic U.) ; Manera, R (ICC, Barcelona U.) ; Fernández-Tenllado, J M (ICC, Barcelona U.) ; Mauricio, J (ICC, Barcelona U.) ; Kratochwil, N (UC, Davis (main)) ; Alozy, J (CERN) ; Piller, M (CERN) ; Portero, S (ICC, Barcelona U.) ; Sanuy, A (ICC, Barcelona U.) et al.
2024 - 16 p.
- Published in : IEEE Trans. Rad. Plasma Med. Sci. 8 (2024) 718-733
Fulltext: PDF;
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Probability distribution maps of deposited energy with sub-pixel resolution for Timepix3 detectors
/ Christodoulou, Pinelopi (CERN ; CTU, Prague) ; Alozy, Jerome (CERN) ; Ballabriga, Rafael (CERN) ; Campbell, Michael (CERN) ; Heijne, Erik (CERN ; CTU, Prague) ; Llopart, Xavier (CERN) ; Pulli, Adithya (CERN) ; Sriskaran, Viros (CERN) ; Tlustos, Lukas (CERN ; CTU, Prague) ; Zemlicka, Jan (CTU, Prague)
The Medipix3 Collaboration has developed the Timepix3 chip, which can provide information about individual particles interacting with a hybrid pixelated semiconductor detector.The Timepix3 generates a data packet including time and energy information for each pixel receiving a charge above the discriminator threshold. From a set of such packages generated by one particle the total deposited energy and the sub-pixel center of mass (c.m) position of the interaction can be calculated. [...]
2024 - 10 p.
- Published in : JINST 19 (2024) C01026
Fulltext: PDF;
In : 24th International Workshop On Radiation Imaging Detectors, Oslo, Norway, 25 - 29 Jun 2023, pp.C01026
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A Sensor Employing an Array of Silicon Photomultipliers for Detection of keV Ions in Time-of-Flight Mass Spectrometry
/ Mariscal-Castilla, Antonio (Barcelona U.) ; Piller, Markus (CERN) ; Alozy, Jerome (CERN) ; Ballabriga, Rafael (CERN) ; Campbell, Michael (CERN) ; de la Torre, Oscar (Barcelona U.) ; Gascón, David (Barcelona U.) ; Gómez, Sergio (Barcelona, Polytechnic U.) ; Heathcote, David (Oxford U.) ; Mauricio, Joan (Barcelona U.) et al.
Pixellated scintillation detectors have the potential to overcome several limitations of conventional microchannel-plate-based detectors employed in time-of-flight mass spectrometry (ToF-MS), such as extending detector lifetime, reducing vacuum requirements, or increasing the ion throughput. We have developed a prototype comprising a fast organic scintillator (Exalite 404) coupled to an array of 16 silicon photomultipliers (SiPMs), with read-out electronics based on the FastIC application-specific integrated circuit (ASIC). [...]
2025 - 17 p.
- Published in : Sensors 25 (2025) 1585
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Integration of the FastIC front-end electronics into the Picosec MicroMegas detector
/ Scharenberg, L (CERN) ; Alozy, J (CERN) ; Angelis, Y (Aristotle U., Thessaloniki) ; Aune, S (IRFU, Saclay) ; Ballabriga, R (CERN) ; Bortfeldt, J (Munich U.) ; Brunbauer, F (CERN) ; Brunoldi, M (Pavia U. ; INFN, Pavia) ; Campbell, M (CERN) ; Datta, J (SUNY, Stony Brook) et al.
The Picosec MicroMegas collaboration aims to develop gaseous fast-timing detectors; experimentally, intrinsic time resolutions from around 50ps to better than 20ps are obtained, depending on the exact detector configuration. Parts of developments focus on exploring various options of fast-timing multi-channel front-end electronics, to meet the data processing demands of experimental applications. [...]
2025 - 10 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1076 (2025) 170496
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6.
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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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7.
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The Timepix4 Beam Telescope
/ Akiba, Kazu (Nikhef, Amsterdam) ; Alozy, Jerome (CERN) ; Bacher, David (U. Oxford (main)) ; Sune, Rafael Ballabriga (CERN) ; de Benedetti, Federico (CERN) ; van Beuzekom, Martin (Nikhef, Amsterdam) ; van Beveren, Vincent (Nikhef, Amsterdam) ; Bischoff, Tjip (Nikhef, Amsterdam) ; Boterenbrood, Henk (Nikhef, Amsterdam) ; Byczynski, Wiktor (CERN) et al.
The spatial and temporal performance of a telescope system comprising planar silicon sensors bump-bonded to Timepix4-v2 ASICs are assessed at the CERN SPS using a $180$~GeV/$c$ mixed hadron beam. [...]
arXiv:2503.15207.
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32.
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8.
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3D integration of pixel readout chips using Through-Silicon-Vias
/ Diaz, Francisco Piernas (CERN) ; Alozy, Jerome (CERN) ; Al-Tawil, Sara (CERN) ; Buytaert, Jan (CERN) ; Campbell, Michael (CERN) ; Fritzsch, Thomas (Fraunhofer Inst., Berlin) ; Kloukinas, Kostas (CERN) ; Kovacs, Mark Istvan (CERN) ; Llopart Cudie, Xavier (CERN) ; Barreto Pinto, Mateus Vicente (Geneva U.) et al.
Particle tracking and imaging detectors are becoming increasingly complex, driven by demands for densely integrated functionality and maximal sensitive area. These challenging requirements can be met using 3D interconnect techniques widely used in industry. [...]
2025 - 7 p.
- Published in : JINST
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2024, Glasgow, United Kingdom, 30 Sep - 4 Oct 2024, pp.C01017
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9.
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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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10.
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Performance evaluation of the FastIC readout ASIC with emphasis on Cherenkov emission in TOF-PET
/ Piller, Markus (CERN ; Graz U.) ; Castilla, Antonio M (Barcelona U.) ; Terragni, Giulia (CERN ; Vienna, Tech. U.) ; Alozy, Jerome (CERN) ; Auffray, Etiennette (CERN) ; Ballabriga, Rafael (CERN ; Barcelona U.) ; Campbell, Michael (CERN) ; Deutschmann, Bernd (Graz U.) ; Gascon, David (Barcelona U.) ; Gola, Alberto (Fond. Bruno Kessler, Trento) et al.
Objective. The efficient usage of prompt photons like Cherenkov emission is of great interest for the design of the next generation, cost-effective, and ultra-high-sensitivity time-of-flight positron emission tomography (TOF-PET) scanners. [...]
2024 - 13 p.
- Published in : Phys. Med. Biol. 69 (2024) 115014
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