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2026-02-06
10:27
Design and validation of a compact extraction and matching system for high current applications / Mamaras, Aristeidis (CERN ; Aristotle U., Thessaloniki) ; Lallement, Jean-Baptiste (CERN) ; Lombardi, Alessandra (CERN) ; di Lorenzo, Francesco (CERN) ; Machado, Christophe (CERN) ; Mastrostefano, Cristiano (CERN) ; Moyret, Pierre (CERN) ; O'Neil, Michael (CERN) ; Riffaud, Benoit (CERN) ; Sampsonidis, Dimitrios (CERN ; Aristotle U., Thessaloniki) et al.
A novel compact extraction system has been developed at CERN to optimize high-current linacs for medical and industrial use. Replacing the traditional LEBT with a 2 cm-long electrode-based design, it enables efficient proton extraction and acceleration to 45 keV. [...]
2026 - 14 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1086 (2026) 171324

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2026-02-06
10:27
Towards a generic Katherine readout platform for Timepix detectors — plug-in based SW architecture / Farkas, M (Pilsen U. ; CERN) ; Burian, P (Pilsen U. ; CTU, Prague)
This paper presents a modular and configurable software architecture for the Katherinefamily of readouts used with the Timepix detectors. The new architecture introduces a flexiblecomponent model in which hardware-specific implementations can be dynamically selected at runtimethrough configuration files. [...]
2026 - 9 p. - Published in : JINST 21 (2026) C01041 Fulltext: PDF;
In : 26th International Workshop on Radiation Imaging Detectors (IWORID 2025), Bratislava, Slovakia, 6 - 10 Jul 2025, pp.C01041

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2026-02-06
10:27
Tunable Single-Frequency Cascaded Stokes Orders in Monolithic Diamond Raman Lasers / Granados, Eduardo (CERN) ; Bernerd, Cyril (CERN) ; Chrysalidis, Katerina (CERN) ; Echarri, Daniel T (CERN) ; Fedosseev, Valentin N (CERN) ; Heinke, Reinhard (CERN) ; Marsh, Bruce (CERN) ; Roiková, Eva (CERN) ; Rothe, Sebastian (CERN) ; Stoikos, Georgios (CERN)
We present results of a temperature-tunable, cascaded single-frequency diamond Raman laser that significantly extends the wavelength coverage in the visible spectral range, enabling broader isotope shift measurements at CERN..
2025 - Published in : Tech. Dig. Ser. 102 (2025) JW2A.35

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2026-02-06
10:27
Laser Architecture for Burst-Mode Electro-Optic Frequency Combs Beyond 100 W / Roiková, Eva (CERN ; Uppsala U. (main)) ; Goryashko, Vitaliy (Uppsala U. (main)) ; Granados, Eduardo (CERN)
We propose a burst-mode laser architecture based on a combination of Yb fiber and Nd bulk gain media for amplifying an electro-optic frequency comb to more than 100 W, enabling laser-particle interaction experiments at high intensity..
2025 - Published in : Tech. Dig. Ser. 102 (2025) JW2A.38

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2026-02-06
10:27
Temperature Effect on Radiation‐Induced Attenuation for Radiophotoluminescent FD‐7 Glass Dosimeters at High X‐Ray Doses / Raj Mandal, Aditya (CNRS, France) ; Ferrari, Matteo (CNRS, France) ; Aguiar, Ygor Q (CNRS, France ; CERN) ; Morana, Adriana (CNRS, France) ; Avesani, Matilde (CNRS, France) ; García Alía, Rubén (CERN) ; Girard, Sylvain (CNRS, France ; IUF, Paris)
Commercial radiophotoluminescent (RPL) FD‐7 glasses are used as passive dosimeters for personal and medical applications, to measure doses up to 100 Gy. However, a dedicated setup and calibration can extend their operation range allowing their operation in high‐radiation environments, such as the ones produced by particle accelerators, where doses ranging up to the MGy level can be measured [...]
2026 - Published in : Phys. Status Solidi A 223 (2026) e202500783

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2026-02-06
10:27
The new ion-implantation chamber in the general low mass (GLM) area of ISOLDE / Yap, Ian Chang Jie (Duisburg-Essen U.) ; Munoz, Juan Francisco Grillo (Havana, INR) ; Dorsival, Alexandre (CERN) ; Pohl, Christoph (Unlisted, DE) ; Lupascu, Doru Constantin (Duisburg-Essen U.) ; Hofsaess, Hans Christian (Gottingen U., II. Phys. Inst.) ; Di Giulio, Letizia (CERN) ; Nagl, Matthias (Unlisted, DE) ; Beltramello, Olga (CERN) ; Dang, Thien Thanh (Duisburg-Essen U.) et al.
The General Low Mass (GLM) beamline of ISOLDE is dedicated to collecting and handling radioactive isotopes. The former ion-implantation chamber is a single vacuum chamber equipped with a turbo pump capable of reaching 1E-5 mbar, often relying on the beamline vacuum pump to achieve its optimal pressure of 1E-6 mbar [...]
2026 - 14 p. - Published in : Hyperfine Interact. 247 (2026) 18 Fulltext: PDF;

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2026-02-05
06:33
Magnetic cycle optimisation in the CERN PS booster / Albright, Simon (CERN) ; Newborough, Antony (CERN) ; Asvesta, Foteini (CERN) ; Di Giovanni, Gian Piero (CERN) ; Marchi, Mariangela (CERN ; U. Rome La Sapienza (main)) ; Prebibaj, Tirsi (CERN)
The PS Booster is the first synchrotron in the CERN proton accelerator complex, which delivers both high-brightness and high-intensity beams. Injection to the Booster is at a kinetic energy of 160 MeV, therefore space charge is a main limiting factors for beam quality. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) TUPS026 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.TUPS026

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2026-02-05
06:33
Towards tailored beam distributions for fixed target experiments at CERN / Remta, Matthias (CERN) ; Velotti, Francesco (CERN) ; Huhn, Francisco (CERN) ; Arrutia Sota, Pablo Andreas (CERN) ; Dutheil, Yann (CERN)
The time-of-flight (nTOF) facility at CERN uses neutrons produced by a proton beam interacting with a fixed target. To prevent target damage, an upper bound on the peak energy density has been imposed. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) TUPB018 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.TUPB018

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2026-02-05
06:33
Deep learning techniques for high-precision neutral meson reconstruction in the LHCf experiment / Berti, Eugenio (INFN, Florence) ; Paccagnella, Andrea (INFN, Florence) ; Piparo, Giuseppe (INFN, Catania) /LHCf Collaboration
The Large Hadron Collider forward (LHCf) experiment measures neutral particles produced in the very forward region of proton–proton collisions to constrain hadronic interaction models used in ultra high energy cosmic ray simulations. A key physics goal is the reconstruction of neutral mesons at very large pseudorapidity, in particular 𝐾0𝑠 → 𝜋0 𝜋0 → 4𝛾 decays, whose photons are highly collimated and tend to produce overlapping electromagnetic showers in the Small Tower (TS) and Large Tower (TL) of the Arm2 detector. [...]
2026 - 6 p. - Published in : PoS EPS-HEP2025 (2026) 665 Fulltext: PDF;
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, France, 7 - 11 Jul 2025, pp.665

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2026-02-05
06:33
A benchmark of expert-level academic questions to assess AI capabilities / Phan, Long (Unlisted) ; Gatti, Alice (Unlisted) ; Li, Nathaniel (Unlisted) ; Khoja, Adam (Unlisted) ; Kim, Ryan (Unlisted) ; Ren, Richard (Unlisted) ; Hausenloy, Jason (Unlisted) ; Zhang, Oliver (Unlisted) ; Mazeika, Mantas (Unlisted) ; Hendrycks, Dan (Unlisted) et al.
Benchmarks are important tools for tracking the rapid advancements in large language model (LLM) capabilities. However, benchmarks are not keeping pace in difficulty: LLMs now achieve more than 90% accuracy on popular benchmarks such as Measuring Massive Multitask Language Understanding$^{1}$, limiting informed measurement of state-of-the-art LLM capabilities. [...]
2026 - 8 p. - Published in : Nature 649 (2026) 1139-1146 Fulltext: PDF;

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