2026-02-27
04:10 |
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X-ray reflection: a FLUKA model and its application in the design of synchrotron light beamlines and CERN's Future Circular Collider
/ Mazzola, Giuseppe (CERN) ; Chitra, Sunil (Argonne) ; Devienne, Arnaud (CERN) ; Frasca, Alessandro (CERN ; Liverpool U.) ; Fusté, María José García (CELLS - ALBA, LLS) ; Heinis, Dominique (CELLS - ALBA, LLS) ; Lechner, Anton (CERN) ; Lerner, Giuseppe (CERN) ; Rebuffi, Luca (Argonne) ; del Rio, Manuel Sanchez (ESRF, Grenoble) et al.
Relying on atomic scattering factors from evaluated databases, a new model for the reflectivity of x rays on solid surfaces has been developed for FLUKA v4-6.0. [...]
arXiv:2602.09672.
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2026-02-26
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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
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 |
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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2026-02-19
06:19 |
Investigation of readout methods for electro-optical beam position monitor pickups
/ Harryman, Daniel (Royal Holloway, U. of London ; Oxford U.) ; Schloegelhofer, Andreas (CERN) ; Tangari, Giacomo (CERN) ; Bosman, Max (Royal Holloway, U. of London) ; Gibson, Stephen (Royal Holloway, U. of London) ; Lefevre, Thibaut (CERN) ; Levens, Thomas (CERN)
Electro-optical pickups are being explored at CERN for the development of a high-bandwidth beam position monitor capable of measuring intrabunch beam position. To support this effort, a prototype electro-optical beam position monitor has been installed in the SPS. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 788
Fulltext: PDF;
In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.788
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2026-02-19
06:19 |
Upgrade and evolution of the ad target beam imaging system at CERN: a two-year performance analysis
/ Burger, Stephane (CERN) ; Roncarolo, Federico (CERN) ; Martínez Samblas, Javier (CERN) ; Gonzalez-Berges, Manuel (CERN)
During CERN’s Long Shutdown 2 (LS2) in 2022, the Anti-Proton Decelerator (AD) target area underwent major renovations, including a significant upgrade to its beam imaging system. The previous tube-based camera, used in a high-radiation environment, had limitations in sensitivity and resolution for continuous measurements.The upgraded design uses an innovative in-air light-emitting screen mechanically coupled to the AD target, monitored by a digital camera through a 20-meter optical line from a radiation-safe zone. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 395
Fulltext: PDF;
In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.395
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2026-02-19
06:19 |
The SPS beam loss monitoring system renovation plan
/ Calvo Giraldo, Eva (CERN) ; Salvachua, Belen (CERN) ; Zamantzas, Christos (CERN) ; Effinger, Ewald (CERN) ; Saccani, Mathieu (CERN) ; Vigano, William (CERN) ; Jensen, Steen (CERN)
The Super Proton Synchrotron (SPS) beam loss monitoring (BLM) system at CERN, operational for several decades, currently comprises 286 Ionisation Chambers (ICs) around the SPS ring and approximately 144 additional detectors along various extraction lines (TT20, TT40, TT60, etc.). A complete renovation of the system is planned during Long Shutdown 3 (LS3), encompassing detectors, cabling, and acquisition electronics. [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 70
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.70
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2026-02-19
06:19 |
Status of the Synchrotron Radiation Telescope at the Large Hadron Collider
/ Butti, Daniele (CERN) ; Bravin, Enrico (CERN) ; Burger, Stephane (CERN) ; Guerrero, Ana (CERN) ; Roncarolo, Federico (CERN) ; Trad, Georges (CERN)
Accurate and continuous measurement of the transverse beam profile is essential for optimizing the performance of particle accelerators. At the Large Hadron Collider (LHC), this task is performed non-invasively by the Synchrotron Radiation Telescope (BSRT). [...]
2026 - 4 p.
- Published in : JACoW IBIC 2025 (2026) 342
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In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.342
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2026-02-19
06:19 |
Analysis of a phase modulated interferometric Electro-Optic BPM at the CERN SPS
/ Bosman, Max (Royal Holloway, U. of London) ; Arteche, Alberto (Cantabria Inst. of Phys.) ; Harryman, Daniel (U. Oxford (main)) ; Gibson, Stephen (Royal Holloway, U. of London) ; Lefevre, Thibaut (CERN) ; Levens, Thomas (CERN)
The Electro-Optic Beam Position Monitor (EO-BPM) is a new diagnostic tool being developed to enhance the intra-bunch transverse beam position monitoring in the High Luminosity LHC at CERN. This EO-BPM has been installed in the Super Proton Synchrotron (SPS) since 2024. [...]
2026 - 6 p.
- Published in : JACoW IBIC 2025 (2026) 581
Fulltext: PDF;
In : 14th International Beam Instrumentation Conference (IBIC 2025), Liverpool, United Kingdom, 7-11 Sep 2025, pp.581
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