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Beam Diagnostics
/ Forck, Peter (speaker)
The working principle of frequently used beam instruments for electron and proton beams concerning the transverse and longitudinal profile measurement is discussed. A large variety of monitors for transverse profile measurement exists, based on the energy loss of the beam particles in matter followed by the detection of secondary particles or photons (SEM-Grids, wire scanners, scintillation screens, optical transition radiation screens, ionization profile monitors). [...]
2023 - 3498.
CAS - CERN Accelerator School; CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
External links: Talk details; Event details
In : CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
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2.
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Beam Instrumentation
/ Forck, Peter (speaker)
Determining beam parameters is essential for the operation and development of any accelerator facility. The working principle of frequently used beam instruments for electron and proton beams is discussed. [...]
2023 - 3584.
CAS - CERN Accelerator School; CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
External links: Talk details; Event details
In : CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
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3.
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Machine & People Protection Issues
/ Forck, Peter (speaker)
This contribution is an introduction to the requirements of the machine protection system. As the first step, the interactions of fast charged particles, neutrons and γ-rays with matter are summarized. [...]
2023 - 3499.
CAS - CERN Accelerator School; CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
External links: Talk details; Event details
In : CAS course on "Introduction to Accelerator Physics", 25 September - 08 October 2023, Santa Susanna, Spain
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4.
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Status of Beam Instrumentation at the Electron Beam Test Stand at CERN
/ Sameed, Muhammed (CERN) ; Ady, Marton (CERN) ; Burger, Stephane (CERN) ; Cenede, Jean (CERN) ; Churchman, Ashley (CERN) ; Coiffet, Thibaut (CERN) ; Devauchelle, Wilfried (CERN) ; Forck, Peter (Darmstadt, GSI) ; Ganesh, Abhishek (CERN) ; Guillot-Vignot, Franck (CERN) et al.
An electron beam test stand has been designed and constructed at CERN as part of the High Luminosity LHC (HL-LHC) project, in collaboration with the ARIES project, to test components related to the Hollow Electron Lens (HL-LHC) and the GSI Space Charge Compensation Electron Lens (ARIES). This comprehensive test facility incorporates normal conducting solenoid magnets, including horizontal and vertical correctors, which generate fields of fractional Tesla magnitude. [...]
2024 - 6 p.
- Published in : JACoW COOL 2023 (2024) TUPAM2R1
Fulltext: PDF;
In : 14th International Workshop on Beam Cooling and Related Topics (COOL '23), Montreux, Switzerland, 8 - 13 Oct 2023, pp.TUPAM2R1
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5.
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Gas Jet-Based Fluorescence Profile Monitor for Low Energy Electrons and High Energy Protons at LHC
/ Sedláček, Ondrej (CERN ; U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Ady, Marton (CERN) ; Churchman, Ashley (CERN) ; Forck, Peter (Darmstadt, GSI) ; Mazzoni, Stefano (CERN) ; Rossi, Adriana (CERN) ; Sameed, Muhammed (CERN) ; Schneider, Gerhard (CERN) ; Sequeiro, Cristina (CERN) ; Sidorowski, Krystian (CERN) et al.
The ever-developing accelerator capabilities of increasing beam intensity, e.g. for High Luminosity LHC (HL-LHC), demand novel non-invasive beam diagnostics. [...]
2023 - 6 p.
- Published in : JACoW IBIC 2023 (2023) 312-317
Fulltext: PDF;
In : 12th International Beam Instrumentation Conference (IBIC 2023), Saskatoon, Canada, 10 - 14 Sep 2023, pp.312-317
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6.
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Optical transition radiation measurements of a high intensity low energy hollow electron beam on electron beam test facility
/ Sedlacek, Ondrej (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech. ; CERN) ; Rossi, Adriana (CERN) ; Webber-Date, Alexander (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Churchman, Ashley (CERN) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Sequeiro, Cristina (CERN) ; Schneider, Gerhard (CERN) ; Zhang, Hao (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Sidorowski, Krystian (CERN) ; Ady, Marton (CERN) et al.
Optical Transition Radiation (OTR) is commonly used in imaging systems of highly relativistic charged particle beams as the light yield and collection efficiency increase with beam energy. For low beam energies, scintillating screens are typically preferred but they saturate or even get damaged when using a high beam current. [...]
2023
- Published in : JACoW IPAC 2023 (2023) THPA002
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA002
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7.
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Imaging a high-power hollow electron beam non-invasively with a gas-jet-based beam profile monitor
/ Zhang, H D (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Rossi, Adriana (CERN) ; Webber-Date, Alexander (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Churchman, Ashley (CERN) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Sequeiro, C Castro (CERN) ; Wenander, Fredrik (CERN) ; Schneider, Gerhard (CERN) ; Sidorowski, Krystian (CERN) ; Ady, Marton (CERN) et al.
The Hollow Electron Lens (HEL) was proposed to actively remove the beam halo of the proton beam for the HL-LHC upgrade. Currently, the concept of generating such an electron beam is being tested in a dedicated Electron Beam Test Stand (EBTS) at CERN. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPL066
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPL066
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8.
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Optimisation of a gas jet-based beam profile monitor for high intensity electron beams
/ Stringer, Oliver (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Rossi, Adriana (CERN) ; Webber-Date, Alexander (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Churchman, Ashley (CERN) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Castro Sequeiro, C (CERN) ; Schneider, Gerhard (CERN) ; Zhang, Hao (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Sidorowski, Krystian (CERN) ; Ady, Marton (CERN) et al.
A beam profile monitor using gas jet technology is being designed and manufactured at the Cockcroft Institute for high intensity electron beams. It generates a thin, supersonic gas sheet that traverses the beam at a 45-degree orientation and measures the beam-induced fluorescence interactions to produce a 2D beam profile image. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPL065
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPL065
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9.
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Secondary Electron Emission (SEM) Grid for the FAIR Proton Linac
/ Herranz, Juan (Unlisted, ES) ; Bustinduy, Ibon (ESS, Bilbao) ; Forck, Peter (Darmstadt, GSI) ; Navarro Fernandez, Araceli (CERN) ; Rodríguez Páramo, Angel (ESS, Bilbao) ; Sieber, Thomas (Darmstadt, GSI)
New SEM-Grid has been developed for FAIR Proton Linac, the instrument consists of 2 harps fixed together in an orthogonal way. This SEM-Grid will provide higher resolution and accuracy measurements as each harp consists of 64 tungsten wires 100 micro-meter in diameter and 0.5 mm pitch. [...]
2022 - 4 p.
- Published in : JACoW IBIC 2022 (2022) 426-429
Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.426-429
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10.
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HL-LHC Beam Gas Fluorescence Studies for Transverse Profile Measurement
/ Sedláček, Ondrej (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Ady, Marton (CERN) ; Castro Sequeiro, Cristina (CERN) ; Churchman, Ashley (CERN) ; Forck, Peter (Darmstadt, GSI) ; Mazzoni, Stefano (CERN) ; Sameed, Muhammed (CERN) ; Schneider, Gerhard (CERN) ; Sidorowski, Krystian (CERN) ; Stringer, Oliver (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) et al.
In a gas jet monitor, a supersonic gas curtain is injected into the beam pipe and interacts with the charged particle beam. The monitor exploits fluorescence induced by beam-gas interactions, thus providing a minimally invasive transverse profile measurement. [...]
2022 - 4 p.
- Published in : JACoW IBIC 2022 (2022) 261-264
Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.261-264
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