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2025-11-07
11:24
A Novel Low Sidelobe Phased Array Synthesis Technique Using Uniform Transmit and Thinned Receive Array / Rajender, Rathod (U. Pisa (main)) ; Ciarpi, Gabriele (CERN) ; Genovesi, Simone (U. Pisa (main)) ; Rossi, Daniele (U. Pisa (main))
The radar systems specify the peak sidelobe levels (SLLs) of the two-way antenna array pattern, which is the product of the patterns of the transmit and receive antenna arrays. The presence of high sidelobes near the main beam of the two-way array pattern can cause interference and ground clutter of the radar system, thereby degrading overall performance. [...]
2025 - 6 p. - Published in : IEEE RadarConf 25 (2025) 976-981

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2025-11-06
06:57
The beam dynamics case of beam-beam wire compensators for the HL-LHC era / Bélanger, Philippe (TRIUMF ; U. British Columbia (main)) ; Kaltchev, Dobrin (TRIUMF) ; Sterbini, Guido (CERN) ; Baartman, Rick (TRIUMF)
Beam-beam long-range interactions are known to be a strong source of non-linearities in hadron colliders, undermining the performance of the LHC during proton-proton collisions. In order to enhance the luminosity production of the machine and increase the tolerance of the working point after the High Luminosity upgrade of the LHC (HL-LHC), dedicated correctors such as beam-beam wire compensators can be used. [...]
2025 - 4 p. - Published in : JACoW HIAT 2025 (2025) WEC02 Fulltext: PDF;
In : 16th International Conference on Heavy Ion Accelerator Technology, East Lansing, MI, United States, 22 - 27 June 2025, pp.WEC02

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2025-11-06
06:57
Mitigating the detrimental effect of hydrogen impurities on secondary electron yield of amorphous carbon thin films : A study on power density, and discharge modes / Delaup, Y (CERN) ; Pascali, A (CERN) ; Costa Pinto, P (CERN) ; Himmerlich, M (CERN) ; Kouzios, C (CERN) ; Petit, V (CERN)
Amorphous carbon thin films with low Secondary Electron Yield (SEY) are critical for applications where electron multipacting limits achievable performance. Such films are effective to mitigate electron cloud formation within the vacuum beam lines of particle accelerators such as the Large Hadron Collider and the Super Proton Synchrotron at CERN. [...]
2025 - 8 p. - Published in : Surf. Coat. Technol. 517 (2025) 132841 Fulltext: PDF; External link: Fulltext

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2025-11-06
06:57
Significance of Corrosion Phenomena for Magnets of Accelerators, Fusion and High Energy Physics Experiments / Sgobba, Stefano (CERN) ; Aviles Santillana, Ignacio (CERN) ; Fontenla, Ana Teresa Perez (CERN) ; Koizumi, Norikiyo (Natl. Inst. Quantum Radiological Sci. Tech., Chiba) ; Pearce, Robert (Euratom, St. Paul Lez Durance) ; Villers, Frantz (Euratom, St. Paul Lez Durance) ; Vitupier, Guillaume (Euratom, St. Paul Lez Durance)
Although superconducting accelerator and fusion magnets operate at cryogenic temperature and in most cryogenic applications corrosion is not an issue, it is essential to avoid corrosion phenomena that may occur during production and fabrication of parts and components of magnet systems, or during their installation, assembly or maintenance. A delayed leak or a structural failure that would arise in operation due to onset of corrosion phenomena at an earlier stage could lead to grave consequences due to many such components becoming embedded and virtually unrepairable. [...]
2026 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 36 (2026) 4200105

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2025-11-04
06:01
Total Ionizing Dose in Nano-Scaled CMOS Technologies / Faccio, Federico (CERN) ; Borghello, Giulio (CERN) ; Bonaldo, Stefano (U. Padua (main))
espite incredible technological advances in the fabrication of MOS transistors, the widespread use of isolation layers makes the total ionizing dose (TID) a persistent threat to the operation of these devices in ionizing radiation environments. This article provides a comprehensive review of the past three decades of research on the TID effects in transistors built across various scaled complementary metal-oxide-semiconductor (CMOS) nodes, ranging from a 1.6-μm planar MOS field-effect transistor (MOSFET) technology to FinFETs produced in a 16-nm node. [...]
2025 - 32 p. - Published in : IEEE Trans. Nucl. Sci. 72 (2025) 3247-3278 Fulltext: PDF; External link: Fulltext

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2025-11-04
06:01
Winding Challenges and Solutions in the INFN Falcon Dipole Project / Valente, R U (INFN, Milan) ; Beneduce, E (U. Milan (main) ; INFN, Milan) ; Bersani, A (INFN, Genoa) ; Bianchi, E (INFN, Genoa) ; Bracco, M (INFN, Genoa) ; Burioli, S (INFN, Genoa) ; Caiffi, B (INFN, Genoa) ; Cannavò, M (INFN, Milan ; U. Milan (main)) ; Ciarchi, N (INFN, Milan ; U. Milan (main)) ; Crespi, G (INFN, Milan) et al.
2026 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 36 (2026) 4000705 Fulltext: PDF; External link: Fulltext

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2025-11-04
06:01
Beam-based impedance measurement of HL-LHC low-impedance collimators / Kurtulus, A (Zurich, ETH ; CERN) ; Amorim, D (CERN) ; Biancacci, N (CERN) ; Buffat, X (CERN) ; Giacomel, L (CERN) ; Leuthold, J (Zurich, ETH) ; Mounet, N (CERN) ; Redaelli, S (CERN) ; Smajic, J (Zurich, ETH)
The objective of the High Luminosity Large Hadron Collider (HL-LHC) upgrade is to attain an instantaneous luminosity that is 5 times greater than the design value of the LHC. This requires nearly 2 times higher beam intensity compared to the operational LHC value during Run 2 (2015–2018). [...]
2025 - 10 p. - Published in : Phys. Rev. Accel. Beams 28 (2025) 103001 Fulltext: PDF;

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2025-11-04
04:06
Nanodiamond photocathodes for MPGD-based single photon detectors / Brunbauer, F.M. (CERN) ; Chatterjee, C. (INFN, Trieste) ; Cicala, G. (INFN, Bari ; CNR, Italy) ; D'Ago, D. (INFN, Trieste ; U. Trieste (main)) ; Dalla Torre, S. (INFN, Trieste) ; Leone, M.S. (CNR, Italy) ; Levorato, S. (INFN, Trieste) ; Ligonzo, T. (INFN, Bari ; U. Bari (main)) ; Lisowska, M. (CERN) ; Rai, R. (INFN, Trieste) et al.
This study investigates the suitability of Hydrogenated NanoDiamond (HND) materials as an alternative for CsI in MPGD-based photon detectors. The research focuses on characterizing HND photocathodes coupled with THGEM + Micromegas-based detectors. [...]
arXiv:2510.14422.- 2025-10-06 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 171055 Fulltext: PDF;
In : 3rd International Conference on Detector Stability and Aging Phenomena in Gaseous Detectors, CERN, Geneva, Switzerland, 6 - 10 Nov 2023, pp.171055

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2025-11-01
06:05
Batch spacing optimization by reinforcement learning / Remta, Matthias (CERN) ; Velotti, Francesco (CERN) ; Rezagholi, Sharwin (Unlisted, AT)
Beams designated for the LHC are injected into the SPS in multiple batches. Given the tight spacing of 200 ns between these batches, the injection kickers have to be precisely synchronized with the injected beam to minimize injection oscillations. [...]
2025 - 13 p. - Published in : Phys. Rev. Accel. Beams 28 (2025) 094603 Fulltext: PDF;

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2025-11-01
06:05
Monitoring of a high temperature superconducting magnet by means of distributed optical fiber sensing / Marcon, Leonardo (U. Padua (main) ; Unlisted, CH) ; Castaldo, Bernardo (CERN) ; Chiuchiolo, Antonella (CERN ; INFN, Salerno) ; Van Nugteren, Jeroen (CERN ; Unlisted, CH) ; Bajas, Hugues (CERN) ; Kirby, Glyn (CERN) ; Galtarossa, Andrea (U. Padua (main)) ; Bajko, Marta (CERN) ; Palmieri, Luca (U. Padua (main))
Distributed optical fiber sensor is a unique technology that offers unprecedented advantages and performance especially in those experimental fields where the environmental harshness limits the applicability of standard sensors. By measuring the faint light backscattered by the fiber in response to a well-tailored probing signal, distributed sensors allow mapping the variation of physical parameters along the fiber path with high spatial resolution. [...]
2025 - 8 p. - Published in : Opt. Laser Technol. 192 (2025) 113767 Fulltext: PDF;

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