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1.
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Longitudinal beam diagnostics
/ Lefevre, Thibaut (speaker) (CERN)
This lecture presents an overview of the different techniques that are commonly used to measure short bunches of charged particles. This includes direct detection of short bunches using optical methods, laser-based detection scheme, Bunch spectrum measurement using coherent radiation and beam manipulation using radiofrequency techniques
2022 - 3431.
CERN Accelerator School; CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
External links: Talk details; Event details
In : CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
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2.
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High Brightness Beam Diagnostics
/ Lefevre, Thibaut (speaker) (CERN)
This lecture gives an overview of the beam instrumentation and diagnostics for high charge, low emittance beams. It covers the techniques that are commonly used for non-relativistic and ultra-relativistic beams, Hadrons and Leptons. [...]
2022 - 3708.
CERN Accelerator School; CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
External links: Talk details; Event details
In : CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
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3.
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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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4.
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BGC monitor: first year of operation at the LHC
/ Zhang, Hao (Cockcroft Inst. Accel. Sci. Tech.) ; Rossi, Adriana (CERN) ; Pasquinom, C (CERN) ; Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Sequeiro, Cristina (CERN) ; Butti, Daniele (CERN) ; Schneider, Gerhard (CERN) ; Sidorowski, Krystian (CERN) ; Ady, Marton (CERN) ; Sameed, Muhammed (CERN) et al.
The Beam Gas Curtain (BGC) monitor was installed in the beam one of the Large Hadron Collider (LHC) during Long Shutdown 2 (LS2) and the Year-End Technical Stop (YETS) 2022. The monitor detects the fluorescence signal generated due to the interaction between the charged particle beams in the LHC and the neon atoms in the supersonic gas curtain. [...]
2024 - 3 p.
- Published in : JACoW IBIC 2024 (2024) FRAC2
Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.FRAC2
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5.
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Electron bunch position determination using a high frequency button beam position monitor in the AWAKE facility
/ Spear, Bethany (JAI, UK) ; Pakuza, Collette (CERN) ; Wendt, Manfred (CERN) ; Krupa, Michal (CERN) ; Burrows, Philip (JAI, UK) ; Liu, Shengli (Fermilab ; TRIUMF) ; Mazzoni, Stefano (CERN) ; Lefevre, Thibaut (CERN)
The AWAKE facility uses novel proton beam-driven plasma wakefields to accelerate electron bunches over 10m of Rubidium plasma. Precise monitoring of 2 diverse beam types necessitates an electron beam position monitor (BPM) working in a frequency regime of tens of GHz. [...]
FERMILAB-CONF-24-0989-AD.-
2024 - 4 p.
- Published in : JACoW IBIC 2024 (2024) TUP21
Fulltext: JACoW-TUP21-PAPER - PDF; FERMILAB-PAPER - PDF; External link: Fermilab Library Server
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.TUP21
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6.
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The study of high-frequency pick-ups for electron beam position measurements in the AWAKE common beamline
/ Pakuza, Collette (CERN) ; Spear, Bethany (JAI, UK) ; Poimenidou, Eirini (CERN) ; Senes, Eugenio (CERN) ; Wendt, Manfred (CERN) ; Krupa, Michal (CERN) ; van Gils, Nikita (CERN ; Groningen U.) ; Burrows, Philip (JAI, UK) ; Liu, Shengli (Fermilab) ; Mazzoni, Stefano (CERN) et al.
The common beamline of the AWAKE experiment at CERN involves the co-propagation of two particle beams: protons with 48 nC bunch charge and 250 ps bunch length, and electrons with up to 600 pC bunch charge and approximately 4 ps bunch length. The existing operational beam position monitors at AWAKE cannot measure the electron bunches whilst the more-intense proton bunches are present, due to their low operating frequency. [...]
FERMILAB-CONF-24-0990-AD.-
2024 - 4 p.
- Published in : JACoW IBIC 2024 (2024) TUDC2
Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.TUDC2
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7.
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Beam Instrumentation
/ Lefevre, Thibaut (speaker) (CERN)
This lecture gives an introduction to Beam instrumentation in particle accelerators.
It describes the physical processes and the technologies involved in the monitoring of beam
intensity, beam position, transverse and longitudinal beam profiles as well as beam losses. [...]
2024 - 3443.
CAS - CERN Accelerator School; CAS course on Basics of Accelerator Physics and Technology, 11 - 15 March 2024, Ferney-Voltaire, France
External links: Talk details; Event details
In : CAS course on Basics of Accelerator Physics and Technology, 11 - 15 March 2024, Ferney-Voltaire, France
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8.
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9.
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The status of the FCC-ee optics tuning
/ van Riesen-Haupt, Léon (Ecole Polytechnique, Lausanne) ; Franchi, Andrea (ESRF, Grenoble) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Chance, Antoine (Paris, CEA) ; Dalena, Barbara (Paris, CEA) ; Järmyr Eriksson, Carl (CERN) ; Carli, Christian (CERN) ; Garcia Jaimes, Cristobal Miguel (Ecole Polytechnique, Lausanne) ; Shatilov, Dmitry (CERN) ; Musa, Elaf (DESY) et al.
With a circumference of approximately 91 km, the Future Circular electron-positron Collider, FCC-ee, aims for unprecedented luminosities at beam energies from 45.6 to 182.5 GeV. A major challenge is reaching its design performance in the presence of magnet misalignments and field errors. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR02
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR02
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10.
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Overview of beam intensity issues and mitigations in the CERN-SPS fast wire scanners
/ Veness, Raymond (CERN) ; Guerrero, Ana (CERN) ; Perez Fontenla, Ana Teresa (CERN) ; Harrison, Anthony (CERN) ; Salvant, Benoit (CERN) ; Zannini, Carlo (CERN) ; Antuono, Chiara (CERN) ; Vollinger, Christine (CERN) ; de la Fuente, Elena (CERN) ; Carra, Federico (CERN) et al.
A new design of fast wire scanner was installed in the CERN injector complex as part of the upgrades linked to the High-Luminosity LHC Project. Initial operations with these beams were good, but during the planned intensity ramp-up one early 2023, all four SPS scanners failed at the same time. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPG26
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPG26
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