Emittance Correction in the 2006 ILC Bunch Compressor

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Description

A recent study [1] has indicated substantial potential emittance growth in the ILC bunch compressor due to quad misalignments, BPM misalignments, and pitches in the RF cavities. Table 1 summarizes several results from [1]. In this simulation, quad misalignments and cavity pitches are Gaussian distributed and are considered with respect to the nominal survey line; BPM misalignments are also Gaussian-distributed but are considered with respect to the quadrupole axis. It is assumed that the BPM offsets with respect to the quads are found in a previous quad-shunting BBA step which is not simulated. In this study we seek to repeat ... continued below

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4 pages

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Tenenbaum, P. & /SLAC March 5, 2007.

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Description

A recent study [1] has indicated substantial potential emittance growth in the ILC bunch compressor due to quad misalignments, BPM misalignments, and pitches in the RF cavities. Table 1 summarizes several results from [1]. In this simulation, quad misalignments and cavity pitches are Gaussian distributed and are considered with respect to the nominal survey line; BPM misalignments are also Gaussian-distributed but are considered with respect to the quadrupole axis. It is assumed that the BPM offsets with respect to the quads are found in a previous quad-shunting BBA step which is not simulated. In this study we seek to repeat the studies documented above, and additionally to perform a study in which additional dispersion bumps are used to further reduce the projected emittance.

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4 pages

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  • Report No.: SLAC-TN-07-004
  • Grant Number: AC02-76SF00515
  • DOI: 10.2172/900604 | External Link
  • Office of Scientific & Technical Information Report Number: 900604
  • Archival Resource Key: ark:/67531/metadc883130

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  • March 5, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 5, 2016, 3:01 p.m.

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Tenenbaum, P. & /SLAC. Emittance Correction in the 2006 ILC Bunch Compressor, report, March 5, 2007; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc883130/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.