2025-08-26 08:03 |
COTS BJT Radiation Qualification Methodology for Highly Distributed Systems in Mixed-Field Environments
/ Andreetta, Gabriele (CERN ; U. Padua (main)) ; Ferraro, Rudy (CERN) ; Zimmaro, Alessandro (CERN) ; Bonaldo, Stefano (U. Padua (main)) ; Paccagnella, Alessandro (U. Padua (main)) ; Thurel, Yves (CERN) ; Masi, Alessandro (CERN) ; Danzeca, Salvatore (CERN)
Commercial-off-the-shelf (COTS) bipolar junction transistors (BJTs) are commonly used in critical radiation-tolerant electronic systems, making their radiation qualification essential to ensure compliance with project-specific radiation design requirements (RDRs). Although the response of BJTs to radiation is well-documented, their sensitivity to total ionizing dose (TID) and displacement damage (DD) can complicate their qualification for systems exposed to diverse radiation environments, such as high-energy particle accelerators. [...]
2025 - 9 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 2697-2705
document.pdf: PDF; External link: Fulltext
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2025-08-26 08:03 |
Energy Deposition and Characterization of Single-Event Upset and Latch-Up Cross Sections With 14 MeV and Thermal Neutrons
/ Cecchetto, Matteo (CERN) ; Alía, Rubén García (CERN) ; Lerner, Giuseppe (CERN) ; Bilko, Kacper (CERN) ; Pujol, Francesc Salvat (CERN) ; Vlachoudis, Vasilis (CERN) ; Cerutti, Francesco (CERN)
Single-event latch-up (SEL) cross sections of static random access memory (SRAM) at high energy (100–200 MeV)
are generally not reproducible with 14-MeV neutrons, differently to single-event upset (SEU) cross sections. We explain
this phenomenon through Monte Carlo simulations, analyzing neutron–silicon interactions and the indirect energy deposition
in sensitive volumes (SVs) resembling the two mechanisms, showing that the former approach is not sufficient to explain
how the energy is deposited [...]
2025 - 10 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 2847-2856
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2025-08-26 08:03 |
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2025-08-26 08:03 |
A New Particle is Suggested by Anomalies Observed in Internal e$ ^+ $e$ ^- $ Pair Creation
/ Krasznahorkay, A J (KLTE-ATOMKI ; CERN) ; Krasznahorkay, A (KLTE-ATOMKI) ; Csatlós, M (KLTE-ATOMKI) ; Csige, L (KLTE-ATOMKI) ; Timár, J (KLTE-ATOMKI)
Several years ago, we detected unusual electron-positron angular correlations in the 18.15 MeV M1 transition of $^8$Be. We concluded that this was due to the formation and subsequent decay of an intermediate bosonic particle known as X17, which has a mass of 16.70$\pm 0.35 $(stat)$\pm 0.5$(sys) MeV. [...]
2024 - 10 p.
- Published in : Springer Proc. Phys. 392 (2024) 71-80
In : 16th International Symposium on Frontiers of Fundamental Physics (FFP 2022), Online, 23-26 May 2022, pp.71-80
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2025-08-26 08:02 |
Radiation Monitoring and Performance of Electronic Systems in High-Energy Accelerator Radiation Environments
/ Söderström, Daniel (CERN) ; Aguiar, Ygor (CERN ; Jean Monnet U.) ; Biłko, Kacper (CERN) ; Canesse, Auriane (CERN) ; Lerner, Giuseppe (CERN) ; Prelipcean, Daniel (CERN ; Tech. U., Munich (main)) ; Alía, Rubén García (CERN)
Electronic systems distributed along high-energy particle accelerators need rigorous radiation hardness qualifications to ensure adequate availability of the beam. This work presents the radiation levels on a distributed system, featuring a commercial Cypress 90-nm memory, which is deployed around the Large Hadron Collider (LHC), the largest accelerator within the European Organization for Nuclear Research (CERN). [...]
2025 - 8 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 2490-2497
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2025-08-26 08:02 |
Analysis of the Thermal Annealing Regeneration Process of RPL Dosimeters for High Dose Levels
/ Aguiar, Y Q (CERN ; Jean Monnet U.) ; García Alía, R (CERN) ; Ferrari, M (Jean Monnet U.) ; Hasan, A (Unlisted, NO) ; Perrot, J (Jean Monnet U.) ; Mandal, A Raj (Jean Monnet U.) ; Girard, S (Jean Monnet U. ; IUF, Paris)
This work provides the analysis of two thermal
treatments for the annealing regeneration process of radio-
photoluminescent dosimeters (RPLDs) used in high-level dose
measurements. After regeneration, dosimeter sensitivity was
assessed through several irradiation campaigns, with doses reach-
ing up to 500 kGy using 60Co gamma radiation and X-rays with
an energy spectrum up to 100 keV. [...]
2025 - 9 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 2527-2535
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2025-08-26 08:02 |
Microdosimetry of Very-High-Energy Heavy Ion Beams for Electronics Testing Using Silicon-on-Insulator Detectors
/ Waets, Andreas (CERN ; U. Zurich (main)) ; Emriskova, Natalia (CERN) ; Garcia Alia, Ruben (CERN) ; Klimek, Karolina (CERN) ; Pan, Vladimir (Wollongong U.) ; Rosenfeld, Anatoly (Wollongong U.) ; Tran, Linh T (Wollongong U.) ; Vohradsky, James (Wollongong U.) ; Kok, Angela (SINTEF, Oslo) ; Povoli, Marco (SINTEF, Oslo) et al.
This article explores the use of microdosimetry with
a silicon-on-insulator (SOI) detector for characterizing very-high-
energy (VHE) heavy ion beams used specifically for single event
effect (SEE) testing of electronics. The detector was deployed
at CERN’s heavy ion facility for radiation effects testing and
exposed to lead ion beams in the 100–1000 MeV per nucleon
kinetic energy range. [...]
2025 - 6 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 2513-2518
Fulltext: PDF; External links: Fulltext; Fulltext
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2025-08-26 04:53 |
Physics-informed Priors Improve Gravitational-wave Constraints on Neutron-star Matter
/ Magnall, Spencer J. (Monash U. ; MIT, Cambridge, LIGO ; Cambridge U. (main)) ; Ecker, Christian (Frankfurt U.) ; Rezzolla, Luciano (Frankfurt U. ; Trinity Coll., Dublin ; CERN) ; Lasky, Paul D. (Monash U. ; MIT, Cambridge, LIGO ; Cambridge U. (main)) ; Goode, Simon R. (Monash U. ; MIT, Cambridge, LIGO ; Cambridge U. (main))
Gravitational-wave astronomy shows great promise in determining nuclear physics in a regime not accessible to terrestrial experiments. We introduce physics-informed priors constrained by nuclear theory and perturbative Quantum Chromodynamics calculations, as well as astrophysical measurements of neutron-star masses and radii. [...]
arXiv:2504.21526.-
2025-07-31 - 9 p.
- Published in : Astrophys. J. Lett. 988 (2025) L75
Fulltext: 2504.21526 - PDF; document - PDF;
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2025-08-22 23:33 |
The analog front end for FastRICH: an ASIC for the LHCb RICH detector upgrade
/ Manera, R (ICC, Barcelona U.) ; Ballabriga, R (CERN) ; Mauricio, J (ICC, Barcelona U.) ; Kaplon, J (CERN) ; Paterno, A (CERN) ; Bandi, F (CERN) ; Gómez, S (Barcelona, Polytechnic U. ; ICC, Barcelona U.) ; Pulli, A (CERN) ; Portero, S (ICC, Barcelona U.) ; Silva, J (ICC, Barcelona U.) et al.
This work presents the analog circuitry of the FastRICH ASIC, a 16-channel ASIC, developedin a 65 nm CMOS technology specifically designed for the RICH detector at LHCb to readoutdetectors like Photomultiplier Tubes to be used at the LHC Run 4 and Silicon Photomultiplierscandidates for Run 5. The front-end (FE) stage has an input impedance below 50 Ω and aninput dynamic range from 5 μA to 5 mA with a power consumption of ∼5 mW/channel. [...]
2024 - 7 p.
- Published in : JINST 19 (2024) C04030
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C04030
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2025-08-22 23:33 |
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