Beam-Beam Scans Within a Linear Collider Bunch-Train Crossing

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Beam-beam deflection scans provide important beam diagnostics at the interaction point of a linear collider. Beam properties such as spot sizes, alignment, and waists are measured by sweeping one beam across the other. Proposed linear colliders use trains of bunches; if beam-beam scans can be done within the time of a bunch-train crossing rather than integrating over the bunch train, the acquisition rate of diagnostic information can be increased and the sensitivity of the scan to pulse-to-pulse jitter and slow drifts reduced. The existence of intra-train deflection feedback provides most of the hardware needed to implement intra-train beam-beam scans for ... continued below

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4 pages

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Smith, S.R. & /SLAC February 22, 2006.

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Beam-beam deflection scans provide important beam diagnostics at the interaction point of a linear collider. Beam properties such as spot sizes, alignment, and waists are measured by sweeping one beam across the other. Proposed linear colliders use trains of bunches; if beam-beam scans can be done within the time of a bunch-train crossing rather than integrating over the bunch train, the acquisition rate of diagnostic information can be increased and the sensitivity of the scan to pulse-to-pulse jitter and slow drifts reduced. The existence of intra-train deflection feedback provides most of the hardware needed to implement intra-train beam-beam scans for diagnostic purposes. A conceptual design is presented for such beam-beam scans at the Next Linear Collider (NLC).

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4 pages

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  • Contributed to26th Advanced ICFA Beam Dynamics Workshop on Nanometer Size Colliding Beams (Nanobeam 2002), Lausanne, Switzerland, 9/2/2002-9/6/2002

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  • Report No.: SLAC-PUB-11710
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 876606
  • Archival Resource Key: ark:/67531/metadc879373

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  • February 22, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 2, 2016, 8:36 p.m.

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Smith, S.R. & /SLAC. Beam-Beam Scans Within a Linear Collider Bunch-Train Crossing, article, February 22, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc879373/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.