2026-02-20
06:25 |
A “20 T at 20 K” Model Coil for the Muon Collider Target Solenoid and Fusion Applications
/ Bottura, Luca (CERN) ; Bordini, B (CERN) ; Catellani, M (CERN) ; Losito, R (CERN) ; Trotta, A (Eni S.p.A., Italy) ; De Bastiani, M (Eni S.p.A., Italy) ; Indrigo, D (Eni S.p.A., Italy) ; De Marchi, E (Eni S.p.A., Italy) ; Gallo, E (Eni S.p.A., Italy) ; Spagnuolo, A (Eni S.p.A., Italy) et al.
The development of high-field, large-bore magnets based on High-Temperature Superconductors (HTS) is a strategic challenge with impact across high-energy physics, fusion energy, and other scientific and societal applications. In particular, the target decay and capture solenoid for the Muon Collider and the central solenoid of next-generation fusion devices both demand solenoids capable of producing a 20 T peak field in a bore larger than 1 m, at 20 K, with stored energy exceeding 300 MJ (single coil). [...]
2026 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 36 (2026) 1-8
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2026-02-20
06:25 |
Impedance Characterization of a HL-LHC Nb
3
Sn MQXFS Model Magnet During Powered Operation at Nominal Current
/ Christensen, Magnus BøghBorregaard (CERN ; Aalborg U.) ; Bednarek, Mateusz Jakub (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Denz, Reiner (CERN) ; Feuvrier, Jerome (CERN) ; Haziot, Ariel (CERN) ; Janitschke, Marvin (CERN) ; Koch, Peter (Aalborg U.) ; Ludwin, Jaromir (Cracow, INP) ; Mangiarotti, Franco (CERN) et al.
Impedance measurements have long been used to study superconducting magnets in their non-energized state, providing valuable insights into their electromagnetic behaviour. However, studies involving powering have primarily been conducted at low currents, due to the impact of the power converter impedance on the measurement. [...]
2026 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 36 (2026) 1-7
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2026-02-20
06:25 |
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2026-02-20
04:53 |
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Measurement of the Saturation Length of the Self-Modulation Instability
/ Clairembaud, A. (Munich, Max Planck Inst.) ; Turner, M. (CERN) ; Bergamaschi, M. (CERN) ; Ranc, L. (Munich, Max Planck Inst.) ; Pannell, F. (University Coll. London) ; Mezger, J. (Munich, Max Planck Inst.) ; Jaworska, H. (CERN) ; van Gils, N. (CERN ; Groningen U.) ; Farmer, J. (Munich, Max Planck Inst.) ; Muggli, P. (Munich, Max Planck Inst. ; CERN)
The self-modulation (SM) instability transforms a long charged particle bunch traveling in plasma into a train of microbunches that resonantly drives large-amplitude wakefields. [...]
arXiv:2602.16624.
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2026-02-19
15:40 |
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2026-02-19
06:19 |
Development and Characterization of a Radiation-Tolerant Power Supply for Beam Instrumentation
/ Vigano, William (CERN) ; Zamantzas, Christos (CERN) ; Effinger, Ewald (CERN) ; Meyer, Jean Michel (CERN) ; Michelis, Stefano (CERN)
CERN’s Beam Instrumentation Group is developing a mini-crate to host the future Beam Loss Monitor (BLM) and Beam Positioning Monitor (BPM) systems acquisition electronics at HL-LHC and SPS accelerators. For this purpose, a new power supply has been designed to meet the low noise requirements, high reliability, and availability standards for these harsh radioactive environments. [...]
2026 - 3 p.
- Published in : JACoW IBIC 2025 (2026) 186
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.186
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2026-02-19
06:19 |
Optical beam loss monitor installed at the SPS slow extraction region
/ King, Montague (CERN ; U. Liverpool (main)) ; Benitez Berrocal, Sara (CERN) ; Effinger, Ewald (CERN) ; Esteban, Jose (CERN) ; Kearney, Joe (CERN) ; Meyer, Jean Michel (CERN) ; Salvachua, Belen (CERN) ; Welsch, Carsten (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Wolfenden, Joseph (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.)
An optical beam loss monitor (oBLM) has recently been installed at the slow extraction region of the Super Proton Synchrotron (SPS) at CERN. The oBLM offers a new method for detecting beam losses at the SPS by utilizing the Cherenkov radiation emitted during beam loss interactions with an optical fibre. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 86
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.86
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2026-02-19
06:19 |
Design and expected performance of the new BPM systems for AWAKE Run $^{2}$C
/ Stant, Laurence (CERN) ; Boccardi, Andrea (CERN) ; Bogey, Thierry (CERN) ; Degl'Innocenti, Irene (CERN) ; Jevtic, Aleksandar (CERN) ; Krupa, Michal (CERN) ; Mazzoni, Stefano (CERN) ; Pakuza, Collette (CERN)
The AWAKE facility at CERN uses novel proton beam-driven plasma wakefields to accelerate electron bunches over a 10 m plasma source. The facility will soon be rebuilt to study methods to improve the quality of the accelerated electron beam, requiring better resolution from the proton BPMs. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 739
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.739
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2026-02-19
06:19 |
Suitability of GHz frequency beam position monitors for electron bunch position discrimination in the AWAKE facility
/ Spear, Bethany (JAI, UK ; Oxford U. ; U. Oxford (main)) ; Burrows, Philip (JAI, UK ; Oxford U.) ; Pakuza, Collette (CERN) ; Lefevre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Krupa, Michal (CERN) ; Wendt, Manfred (CERN) ; Liu, Shengli (TRIUMF)
The AWAKE facility at CERN utilises proton beam-driven plasma wakefields to accelerate electron bunches in a 10-meter long rubidium plasma cell. Precise monitoring of the electron bunches in the presence of the more intense proton bunches, which have distinct temporal and spatial characteristics, requires a beam position monitor (BPM) operating in the tens of GHz frequency range, assuming Gaussian longitudinal particle distributions. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 784
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.784
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2026-02-19
06:19 |
Performance of the Beam Gas Curtain as emittance monitor at the Large Hadron Collider
/ Butti, Daniele (CERN) ; Lefevre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Pasquino, Chiara (CERN) ; Schneider, Gerhard (CERN) ; Veness, Raymond (CERN) ; Sedlacek, Ondrej (U. Liverpool (main)) ; Stringer, Oliver (U. Liverpool (main) ; CERN) ; Welsch, Carsten (U. Liverpool (main)) ; Zhang, Hao (U. Liverpool (main) ; CERN) et al.
The Beam Gas Curtain (BGC) is an instrument for transverse diagnostics in operation at the Large Hadron Collider (LHC). The transverse beam profile is obtained by imaging the fluorescence light resulting from the interaction between the beam and a thin supersonic neon gas jet. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 346
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.346
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