2026-04-22
06:16 |
Manufacture and QC of the ATLAS Inner Tracker (ITk) pixel quad module flex
/ Bates, R (Glasgow U.) ; Naik, S (Glasgow U.)
/ATLAS ITK Collaboration
ITk hybrid pixel detector consists of about 10,000 planar “quad” modules formed from 4 ASICs, (developed within the RD53 collaboration) bump bonded to a single sensor.The flexible PCB attached to the sensor connects the ASICs to the system and provides module electrical environment.To guarantee a long-term reliability in the harsh HL-LHC environment, a tight quality control is mandatory.Using three bare flex and three population vendors the populated flexes are manufactured as per IPC standards,Quality Control (QC) protocols were developed to maintain quality and maximize module yield.We describe in detail the QC tests and key results..
2026 - 7 p.
- Published in : JINST 21 (2026) C04049
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04049
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2026-04-22
06:16 |
Keeping the ATLAS ITk cool and dry
/ Mapekula, X (Johannesburg U. ; CERN) ; Connell, M (Johannesburg U.) ; Unwuchola, D (Johannesburg U.) ; Cassim, A (Johannesburg U.) ; Connell, S (Johannesburg U.) ; Truong, L (Johannesburg U.) ; Solans Sanchez, C (CERN)
The ATLAS Inner Tracker will operate at the HL-LHC following Long Shutdown 3, where humidity monitoring will be essential in protecting sensitive electronics. Conventional humidity sensors are unsuitable due to them being susceptible to radiation damage. [...]
2026 - 6 p.
- Published in : JINST 21 (2026) C04047
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04047
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2026-04-22
06:16 |
A quantum-inspired classification for random mixed states
/ Sergioli, Giuseppe (U. Cagliari (main)) ; Cuccu, Carlo (U. Cagliari (main)) ; Rieger, Carla Sophie (CERN ; Tech. U., Munich (main)) ; Granda Arango, Andrés Camilo (U. Cagliari (main)) ; Behera, Bikash Kumar (U. Cagliari (main)) ; Era, Riccardo (U. Cagliari (main)) ; Giuntini, Roberto (U. Cagliari (main) ; Tech. U., Munich (main))
We present a quantum-inspired classification framework designed to identify correlation structures: product, separable, and entangled, in random mixed quantum states. Building on previous work where the Pretty-Good-Measurement (PGM) classifier demonstrated a competitive performance on pure-state ensembles, we extend this method to the more challenging domain of mixed states. [...]
2026 - 16 p.
- Published in : Sci. Rep. 16 (2026) 10668
Fulltext: PDF;
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2026-04-22
06:16 |
The iFTDC front-end cards for the COMPASS and AMBER experiments
/ Konorov, I (Tech. U., Munich (main)) ; Friedrich, J (Tech. U., Munich (main)) ; Eichhorn, K (Tech. U., Munich (main)) ; Losekamm, M J (Tech. U., Munich (main)) ; Maehrholz, T (Tech. U., Munich (main)) ; Paul, S (Tech. U., Munich (main))
The iFTDC front-end cards were originally developed for the COMPASS experiment, and were later adapted for the streaming readout of AMBER. AMBER is the successor to the COMPASS experiment at the M2 beam line at CERN. [...]
2026 - 7 p.
- Published in : JINST 21 (2026) C04020
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04020
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2026-04-22
06:16 |
Precision mass measurement of Zn61 and updated Ft value for conserved vector current tests
/ Giesel, P F (Greifswald U.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Fischer, P (Greifswald U.) ; Karthein, J (Texas A-M, Cyclotron Inst. ; Heidelberg, Max Planck Inst.) ; Kulikov, I (Darmstadt, GSI) ; Litvinov, Yu A (Cologne U. ; Darmstadt, GSI) ; Lunney, D (IJCLab, Orsay) ; Mougeot, M (Heidelberg, Max Planck Inst. ; CERN ; IJCLab, Orsay) ; Nies, L (Greifswald U. ; CERN) et al.
We report a high-precision mass measurement of Zn61, performed with the ISOLTRAP mass spectrometer at ISOLDE, CERN. Our result agrees with a recent measurement from the LEBIT Penning trap at FRIB and reduces the mass uncertainty by a factor of four. [...]
2026 - 7 p.
- Published in : Phys. Rev. C 113 (2026) 034318
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2026-04-22
06:16 |
Radiation hardness compatibility of vacuum gauge electronics for the HL-LHC era
/ Chatzigeorgiou, N (CERN) ; Pigny, G (CERN) ; Ferraro, R (CERN) ; Alia, R (CERN) ; Danzeca, S (CERN) ; Soares, S (CERN) ; Rieker, V (CERN)
The High Luminosity Large Hadron Collider (HL-LHC) upgrade will lead to increased radiation levels in the LHC tunnel. Consequently, hundreds of vacuum gauge conditioning electronics deployed throughout the machine tunnel must be replaced by new radiation tolerant designs. [...]
2026 - 9 p.
- Published in : JINST 21 (2026) C04017
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04017
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2026-04-22
06:16 |
Charge collection parameterization of MALTA2, a depleted monolithic active pixel sensor
/ Fasselt, L (DESY ; Humboldt U., Berlin (main)) ; Behera, P (Indian Inst. Tech., Madras) ; Berlea, D V (DESY ; Humboldt U., Berlin (main)) ; Bortoletto, D (U. Oxford (main)) ; Buttar, C (Glasgow U.) ; Chembakan, T (Indian Inst. Tech., Madras) ; Dao, V (Stony Brook U.) ; Dash, G (Indian Inst. Tech., Madras) ; Haberl, S (CERN) ; Inada, T (CERN) et al.
A fast simulation method is presented for a depleted monolithic active pixel sensor, which uses a data driven parameterization of the charge collection and propagation. This approach provides an efficient alternative to TCAD simulations, particularly for sensors whose proprietary process details - such as doping profiles or implant geometries - are unavailable. [...]
arXiv:2602.23139.-
2026 - 7 p.
- Published in : JINST 21 (2026) C04001
Fulltext: 2602.23139 - PDF; document - PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04001
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2026-04-22
06:16 |
A high-throughput, low-power module for on-chip packet sorting in large-area pixel detectors
/ Brambilla, F E (CERN ; Leuven U.) ; Ceresa, D (CERN) ; Dhaliwal, J (CERN) ; Kloukinas, K (CERN) ; Prinzie, J (CERN ; Leuven U.)
Modern pixel detectors for high-energy physics require real-time, low-power packet sorting to manage extreme data rates and high hit-rate densities under tight area and power constraints.Unlike frame-based readout chips, which output all pixel data at fixed intervals, data-driven architectures send out only active pixel hits, enabling higher efficiency but producing unsorted, variable-latency data streams.We present a 28nm SRAM-based sorting module that uses simplified bucket sorting to group packets by event timestamp, reducing processing overhead and bandwidth. The radiation-hardened design achieves <5% data loss due to sorting, processes in parallel up to 60 consecutive events at 320 MHz, while sustaining 100 Gbit s$^{-1}$ output data-rates and consuming less than 200 mW, to meet the requirements for integration in an upcoming hybrid pixel readout chip..
2026 - 8 p.
- Published in : JINST 21 (2026) C04002
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04002
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2026-04-22
06:16 |
Design of a wavelength-locking circuit for Silicon-Photonics high-speed links with radiation-tolerant thermal control
/ Atzeni, G (CERN) ; Ciarpi, G (CERN) ; Biereigel, S (CERN) ; Klekotko, A (CERN) ; Kozlowski, P (CERN) ; Fanti, A (U. Cagliari (main)) ; Moreira, P (CERN) ; Kulis, S (CERN)
Future High-Energy Physics (HEP) experiments will require optical data links capable of supporting multi-gigabit transmission rates under high radiation doses and tight power constraints. Silicon Photonics (SiPh) has emerged as a promising technology for these applications, offering high bandwidth, compact integration, and enhanced radiation tolerance. [...]
2026 - 7 p.
- Published in : JINST 21 (2026) C04014
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04014
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2026-04-22
06:16 |
Assessing the performance of future White Rabbit RF and timing distribution system for HL-LHC under real conditions
/ Kaffka, L (CERN) ; Baron, S (CERN) ; Gingold, T (CERN) ; Goujon, A (CERN) ; Gousiou, E (CERN) ; Hagmann, G (CERN) ; Hegeman, J (CERN) ; Kozsar, I (CERN) ; Lipinski, M (CERN) ; Palluel, J (CERN) et al.
To meet the demand of the High-Luminosity Large Hadron Collider (LHC) for enhanced phase stability and to replace the aging Timing, Trigger and Control (TTC) backbone distribution system which is subject to high variations due to environmental changes, an upgrade to a White Rabbit-based (WR) system is planned. An earlier compliance test showed a phase variation of <33 ps in a proof of concept system in the lab. [...]
2026 - 7 p.
- Published in : JINST 21 (2026) C04004
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Greece, 6 - 10 Oct 2025, pp.C04004
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