2026-06-09
16:25 |
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2026-06-09
07:05 |
Assessing photon resilience of REBCO coated conductors under radiation-rich environments
/ Krkotić, P (CERN) ; Romanov, A (CSIC, Catalunya) ; Traver, O (CELLS - ALBA, LLS) ; Tagdulang, N (CELLS - ALBA, LLS ; Barcelona, Polytechnic U.) ; Puig, T (CSIC, Catalunya) ; Gutierrez, J (CSIC, Catalunya) ; Lucentini, I (CELLS - ALBA, LLS) ; Marini, C (CELLS - ALBA, LLS) ; Escudero, C (CELLS - ALBA, LLS) ; Villalobos-Portillo, E E (CELLS - ALBA, LLS) et al.
Abstract
Rare-earth barium copper oxide (REBCO) coated conductors (CCs) are regarded as promising candidates for next-generation superconducting technologies operating in photon-rich environments, such as particle accelerators, fusion reactors, and high-field radio-frequency (RF) systems. Although the effects of ion and neutron irradiation on the superconducting properties of REBCO have been partially investigated, particularly in the context of enhancing vortex pinning, the radiation environments relevant to emerging applications require more thorough studies [...]
2025 - 18 p.
- Published in : Supercond. Sci. Technol. 38 (2025) 105022
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2026-06-09
07:05 |
Selective laser processing of particle accelerator beam screen surfaces for electron cloud mitigation
/ Bez, Elena (CERN ; Leipzig U.) ; Reascos Portilla, Ana Karen (CERN) ; Petit, Valentine (CERN) ; Paraschou, Konstantinos (CERN) ; Mether, Lotta (CERN) ; Brunner, Kristóf (CERN) ; Krkotić, Patrick (CERN) ; Askar, Yasemin (CERN) ; Calatroni, Sergio (CERN) ; Taborelli, Mauro (CERN) et al.
Laser-induced surface roughening is a technique that facilitates the reduction of secondary electron emission (SEE) from materials, which is crucial for mitigating electron cloud (EC) formation in particle accelerators, that operate with positively charged species, such as the large hadron collider (LHC). This study focuses on the development of a selective laser surface treatment of the inner copper surface of beam screens (BS) within superconducting (SC) magnets. [...]
2025 - 13 p.
- Published in : RSC Applied Interfaces 2 (2025) 521-533
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2026-06-09
07:05 |
First experimental demonstration of the ESC protection method
/ Ravaioli, E (CERN) ; Bauche, J (CERN) ; Dumas, M (CERN) ; Sanchez, I Garcia-Aguirrebeitia (CERN) ; Mangiarotti, F (CERN) ; Masci, M (CERN) ; Perez, J C (CERN) ; Verweij, A (CERN) ; Willering, G (CERN) ; Wozniak, M (CERN)
Abstract
Energy shift with coupling (ESC) is a novel quench protection method for superconducting magnets, recently developed at European Council for Nuclear Research (CERN). It enables effective protection by actively transitioning most of the coil turns to the normal state and extracting part of the stored magnetic energy, thereby effectively limiting the hot-spot temperature and peak voltage-to-ground [...]
2025 - 11 p.
- Published in : Supercond. Sci. Technol. 38 (2025) 125006
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2026-06-09
07:05 |
Machine Learning Techniques for Uncertainty Estimation in Dynamic Aperture Prediction
/ Montanari, Carlo Emilio (U. Manchester (main) ; CERN) ; Appleby, Robert B (U. Manchester (main)) ; Di Croce, Davide (CERN ; Ecole Polytechnique, Lausanne) ; Giovannozzi, Massimo (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Redaelli, Stefano (CERN) ; Van der Veken, Frederik F (CERN)
The dynamic aperture is an essential concept in circular particle accelerators, providing the extent of the phase space region where particle motion remains stable over multiple turns. The accurate prediction of the dynamic aperture is key to optimising performance in accelerators such as the CERN Large Hadron Collider and is crucial for designing future accelerators like the CERN Future Circular Hadron Collider. [...]
2025 - 23 p.
- Published in : Computers 14 (2025) 287
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2026-06-06
13:49 |
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2026-06-06
13:49 |
Beam driven plasma instabilities in electron beam ion sources
/ Thakur, Chandan (Nehru U.) ; Kumar, Sarvesh (Unlisted, IN) ; Jakhar, Niketan (Nehru U.) ; Kashyap, Sandeep (Amity U. ; Indian Inst. Tech., New Delhi) ; Sharma, Jyotsna (Unlisted, IN) ; Kashyap, Manish K (Nehru U.) ; Pahl, Hannes (CERN) ; Wenander, Fredrik (CERN)
Electron beam ion source (EBIS) is capable of generating highly charged ions by ionizing neutral gas atoms using a high-energy electron beam. The generated ions are confined axially and radially by electric and magnetic fields within the breeding region until they are extracted by lowering the axial potential barrier. [...]
2026 - 11 p.
- Published in : Phys. Rev. Accel. Beams 29 (2026) 023401
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2026-06-06
13:49 |
Ferrites with a Minimized Secondary Electron Yield
/ Uren, Robin (U. Dundee) ; Hoffman, Manuel (U. Dundee) ; Din, Amin (U. Dundee) ; Wackerow, Stefan (U. Dundee) ; Neupert, Holger (CERN) ; Pfeiffer, Stephan (CERN) ; Moros, Alice (CERN) ; Barnes, Michael (CERN) ; Favia, Giorgia (CERN) ; Himmerlich, Marcel (CERN) et al.
Ferrites are an essential material in modern industry due to their exceptional magnetic properties and high resistivity. Many applications of ferrites necessitate exposure to high energy electrons, particularly space science and particle accelerators, where charging, multipacting, and electron clouds (ECs) are major issues. [...]
2025 - 12 p.
- Published in : Adv. Sci. 12 (2025) 2410083
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2026-06-05
06:01 |
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2026-06-05
06:01 |
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