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000357735 0247_ $$2doi$$a10.18429/JACOW-IPAC2023-THPL066
000357735 0247_ $$2datacite_doi$$a10.15120/GSI-2025-00427
000357735 037__ $$aGSI-2025-00427
000357735 041__ $$aEnglish
000357735 1001_ $$aWenander, Fredrik$$b0
000357735 1112_ $$a14th International Particle Accelerator Conference$$cVenice$$d2023-05-07 - 2023-05-12$$wItaly
000357735 245__ $$aImaging a high-power hollow electron beam non-invasively with a gas-jet-based beam profile monitor
000357735 260__ $$bJACoW Publishing$$c2023
000357735 300__ $$a4580-4583 pages
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000357735 500__ $$aPublished by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license.
000357735 520__ $$aThe 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. It currently produces a hollow electron beam with 7 keV energy and 0.4 A current 25 us pulsed with 2 Hz which will be confined in a strong solenoid field. A gas curtain-based beam profile monitor was developed to characterize the beam non-invasively during operation. It injects a directional gas sheet at 45 degrees to interact with the electron beam. Gas particles are excited and emit fluorescent photons which are collected by an intensified camera system. This allows the reconstruction of the profile of the hollow electron beam. This contribution presents the design of the monitor and discusses the initial results obtained with a hollow electron beam at the EBTS.
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000357735 650_7 $$2Other$$aAccelerator Physics
000357735 650_7 $$2Other$$amc6-beam-instrumentation-controls-feedback-and-operational-aspects - MC6: Beam Instrumentation, Controls, Feedback and Operational Aspects
000357735 650_7 $$2Other$$amc6-t03-beam-diagnostics-and-instrumentation - MC6.T03: Beam Diagnostics and Instrumentation
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000357735 7001_ $$aSidorowski, Krystian$$b1
000357735 7001_ $$0P:(DE-Ds200)OR0310$$aForck, Peter$$b2
000357735 7001_ $$0P:(DE-Ds200)OR1313$$aUdrea, Serban$$b3
000357735 7001_ $$aMazzoni, Stefano$$b4
000357735 7001_ $$aSequeiro, Cristina$$b5
000357735 7001_ $$aWelsch, Carsten$$b6
000357735 7001_ $$aSameed, Muhammed$$b7
000357735 7001_ $$aStringer, Oliver$$b8
000357735 7001_ $$aVeness, Raymond$$b9
000357735 7001_ $$aLefevre, Thibaut$$b10
000357735 7001_ $$aChurchman, Ashley$$b11
000357735 7001_ $$0P:(DE-HGF)0$$aZhang, Hao$$b12$$eCorresponding author
000357735 7001_ $$aAdy, Marton$$b13
000357735 7001_ $$aRossi, Adriana$$b14
000357735 7001_ $$aWebber-Date, Alexander$$b15
000357735 7001_ $$aSchneider, Gerhard$$b16
000357735 7001_ $$aSedlacek, Ondrej$$b17
000357735 773__ $$a10.18429/JACOW-IPAC2023-THPL066
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