Non-Invasive Beam Profile Monitoring for the HL-LHC Hollow Electron Lens

A Hollow Electron Lens (HEL) is currently under development for the High-Luminosity upgrade of the Large Hadron Collider (HL-LHC). In this device, a hollow electron beam co-propagates with a central proton beam and provides active halo control in the LHC. To ensure the concentricity of the two beams...

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Detalles Bibliográficos
Autores principales: Salehilashkajani, Amir, Ady, Marton, Chritin, Nicolas S, Forck, Peter, Jens, Noah, Jones, Owain Rhodri, Kersevan, Roberto, Kumar, Narender, Lefèvre, Thibaut, Mazzoni, Stefano, Papazoglou, Giannis, Rossi, Adriana, Schneider, Gerhard, Sedláček, Ondrej, Udrea, Serban, Veness, Raymond, Welsch, Carsten P, Zhang, Hao D
Lenguaje:eng
Publicado: JACoW 2021
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2021-MOPAB279
http://cds.cern.ch/record/2806073
Descripción
Sumario:A Hollow Electron Lens (HEL) is currently under development for the High-Luminosity upgrade of the Large Hadron Collider (HL-LHC). In this device, a hollow electron beam co-propagates with a central proton beam and provides active halo control in the LHC. To ensure the concentricity of the two beams, a non-invasive diagnostic instrument is currently being commissioned. This instrument is a compact version of an existing prototype that leverages beam induced fluorescence with supersonic gas curtain technology. This contribution includes the design features of this version of the monitor, recent progress, and future plans for tests at the Cockcroft Institute and the electron lens test stand at CERN.

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