2025-02-19
15:15 |
LHC Effective Model for Optics Corrections
This thesis investigates the crucial role of higher-order magnetic fields and non-linear optics in the stability and performance of particle accelerators, focusing on the Large Hadron Collider (LHC) at CERN [...]
CERN-THESIS-2024-336
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2025-02-18
06:48 |
Verification of electron beam alignment and optics for external off-axis injection in AWAKE Run 2b
/ van Gils, Nikita Z (CERN ; Groningen, KVI) ; Turner, Marlene (CERN) ; Bencini, Vittorio (CERN ; JAI, UK) ; Bergamaschi, Michele (CERN ; Munich, Max Planck Inst.) ; Ranc, Lucas (Munich, Max Planck Inst.) ; Pakuza, Collette (CERN) ; Pannell, Fern (U. Coll. London) ; Della Porta, Giovanni Zevi (CERN) ; Velotti, Francesco (CERN) ; Gerbershagen, Alexander (Groningen, KVI) et al.
The Advanced Wakefield Experiment (AWAKE) has the long term goal to accelerate electrons to particle physics relevant energies using self-modulated proton bunches as drivers in plasma. AWAKE is currently in its Run 2b (2023–2025), where the goal is to stabilise the wakefield amplitude after the saturation of the self-modulation process by introducing a plasma density step. [...]
2025 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1072 (2025) 170204
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2025-02-18
06:48 |
Local chromatic correction optics for Future Circular Collider e+e−
/ Raimondi, Pantaleo (Fermilab) ; Liuzzo, Simone Maria (LPMMC, Grenoble) ; Farvacque, Laurent (LPMMC, Grenoble) ; White, Simon (LPMMC, Grenoble) ; Hofer, Michael (CERN)
Local chromatic correction optics are proposed for the Future Circular e+−e− Collider. These new optics assume an identical layout of the magnets at all operation energies and include a new design for the arcs, for the straight sections, and for the final focus. [...]
FERMILAB-PUB-25-0096-PIP2.-
2025 - 18 p.
- Published in : Phys. Rev. Accel. Beams 28 (2025) 021002
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2025-02-13
14:26 |
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2025-02-11
17:53 |
Overview of the FCC-ee beam instrumentation R
/ Mazzoni, Stefano (CERN) ; Boccardi, Andrea (CERN) ; Schloegelhofer, Andreas (CERN) ; Nosych, Andriy (CELLS - ALBA, LLS) ; Mueller, Anke-Susanne (KIT, Karlsruhe) ; Haerer, Bastian (KIT, Karlsruhe) ; Salvachua, Belen (CERN) ; Paroli, Bruno (U. Milan (main)) ; Zamantzas, Christos (CERN) ; Butti, Daniele (CERN) et al.
The talk shall present an overview of the FCC beam instrumentation needs, the corresponding main challenges. This will review the different R&D; activities being currently pursued, including Beam position and loss monitoring, Transverse and longitudinal monitoring systems as well as polarimetry and luminosity monitoring..
2024 - 4 p.
- Published in : JACoW IBIC 2024 (2024) TUAC2
Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.TUAC2
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2025-02-08
09:25 |
A systematic investigation of beam losses and position reconstruction techniques measured with a novel oBLM at CLEAR
/ King, Montague (CERN ; Liverpool U.) ; Christie, Alexander (Oxford U.) ; Salvachua, Belen (CERN) ; Welsch, Carsten (Liverpool U.) ; Effinger, Ewald (CERN) ; Meyer, Jean Michel (CERN) ; Esteban Felipe, Jose (CERN) ; Wolfenden, Joseph (Cockcroft Inst. Accel. Sci. Tech.) ; Korysko, Pierre (Oxford U.) ; Benitez, Sara (CERN) et al.
Optical Beam Loss Monitors (oBLMs) allow for cost-efficient and spatially continuous measurements of beam losses at accelerator facilities. A standard oBLM consists of several tens of meters of optical fibre aligned parallel to the beamline, coupled to photosensors at either or both ends. [...]
2024 - 5 p.
- Published in : JACoW IBIC 2024 (2024) FRBC2
Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.FRBC2
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2025-02-07
17:47 |
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2025-02-07
11:07 |
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2025-02-07
04:25 |
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2025-02-06
08:13 |
Prototypes and R&D; for undulator-based positron sources
/ Moortgat-Pick, Gudrid (Hamburg U. ; DESY) ; Formela, Manuel (Hamburg U.) ; Hamann, Niclas (Hamburg U.) ; Lengler, Tim (HZDR, Dresden) ; Lott, Dieter (HZDR, Dresden) ; Loisch, Gregor (DESY) ; Riemann, Sabine (DESY, Zeuthen) ; Sievers, Peter (CERN) ; Tenholt, Carmen (DESY) ; Yakopov, Grigory (DESY)
The undulator-based positron source is baseline design for the ILC. Recent progress in particular on the undulator mask designs, optic matching devices (R&D; for prototypes for pulsed solenoid, plasma lens) and on the target design (rotating wheel, material tests) are discussed. [...]
2024 - 9 p.
- Published in : EPJ Web Conf. 315 (2024) 02002
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In : International Workshop on Future Linear Colliders (LCWS2024), Tokyo, Jp, 8 Jul - 8 Nov 2024, pp.02002
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