A study of beam position diagnostics using beam-excited dipole modes in third harmonic superconducting accelerating cavities at a free-electron laser

We investigate the feasibility of beam position diagnostics using higher order mode (HOM) signals excited by an electron beam in the third harmonic 3.9 GHz superconducting accelerating cavities at FLASH. After careful theoretical and experimental assessment of the HOM spectrum, three modal choices h...

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Veröffentlicht in:	Review of scientific instruments 2012-08, Vol.83 (8), p.085117-085117
Hauptverfasser:	Zhang, Pei, Baboi, Nicoleta, Jones, Roger M, Shinton, Ian R R, Flisgen, Thomas, Glock, Hans-Walter
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCELERATORS Assessments BEAM POSITION Beams (radiation) CAVITIES DATA ANALYSIS DECOMPOSITION Diagnostic systems DIPOLES ELECTRON BEAMS FREE ELECTRON LASERS Harmonics Holes INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Modal choice REGRESSION ANALYSIS SPECTRA SUPERCONDUCTING DEVICES Superconductivity TRAPPING
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