Submicron multi-bunch BPM for CLIC

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A common-mode free cavity BPM is currently under development at Fermilab within the ILC-CLIC collaboration. This monitor will be operated in a CLIC Main Linac multi-bunch regime, and needs to provide both, high spatial and time resolution. We present the design concept, numerical analysis, investigation on tolerances and error effects, as well as simulations on the signal response applying a multi-bunch stimulus. The proposed CERN linear collider (CLIC) requires a very precise measurement of beam trajectory to preserve the low emittance when transporting the beam through the Main Linac. An energy chirp within the bunch train will be applied to ... continued below

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3 pages

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Schmickler, H.; Soby, L.; /CERN; Lunin, A.; Solyak, N.; Wendt, M. et al. August 1, 2010.

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Description

A common-mode free cavity BPM is currently under development at Fermilab within the ILC-CLIC collaboration. This monitor will be operated in a CLIC Main Linac multi-bunch regime, and needs to provide both, high spatial and time resolution. We present the design concept, numerical analysis, investigation on tolerances and error effects, as well as simulations on the signal response applying a multi-bunch stimulus. The proposed CERN linear collider (CLIC) requires a very precise measurement of beam trajectory to preserve the low emittance when transporting the beam through the Main Linac. An energy chirp within the bunch train will be applied to measure and minimize the dispersion effects, which require high resolution (in both, time and space) beam position monitors (BPM) along the beam-line. We propose a low-Q waveguide loaded TM{sub 110} dipole mode cavity as BPM, which is complemented by a TM{sub 010} monopole mode resonator of same resonant frequency for reference signal purposes. The design is based on a well known TM{sub 110} selective mode coupling idea.

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3 pages

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  • Presented at 1st International Particle Accelerator Conference: IPAC'10, Kyoto, Japan, 23-28 May 2010

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  • Report No.: FERMILAB-CONF-10-292-AD
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 986971
  • Archival Resource Key: ark:/67531/metadc1014262

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  • August 1, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 23, 2017, 3:33 p.m.

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Schmickler, H.; Soby, L.; /CERN; Lunin, A.; Solyak, N.; Wendt, M. et al. Submicron multi-bunch BPM for CLIC, article, August 1, 2010; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc1014262/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.