Alighment and Vibration Issues in TeV Linear Collider Design

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The next generation of linear colliders will require alignment accuracies and stabilities of component placement at least one, perhaps two, orders of magnitude better than can be achieved by the conventional methods and procedures in practice today. The magnitudes of these component-placement tolerances for current designs of various linear collider subsystems are tabulated. In the micron range, long-term ground motion is sufficiently rapid that on-line reference and mechanical correction systems are called for. Some recent experiences with the upgraded SLAC laser alignment systems and examples of some conceivable solutions for the future are described. The so called ''girder'' problem is ... continued below

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12 pages

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Fischer, G. E. August 12, 2005.

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The next generation of linear colliders will require alignment accuracies and stabilities of component placement at least one, perhaps two, orders of magnitude better than can be achieved by the conventional methods and procedures in practice today. The magnitudes of these component-placement tolerances for current designs of various linear collider subsystems are tabulated. In the micron range, long-term ground motion is sufficiently rapid that on-line reference and mechanical correction systems are called for. Some recent experiences with the upgraded SLAC laser alignment systems and examples of some conceivable solutions for the future are described. The so called ''girder'' problem is discussed in the light of ambient and vibratory disturbances. The importance of the quality of the underlying geology is stressed. The necessity and limitations of particle-beam-derived placement information are mentioned.

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12 pages

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  • Presented at 1st Int. Workshop on Accelerator Alignment (IWAA 89), Stanford, California, 31 Jul - 2 Aug 1989

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  • Report No.: SLAC-PUB-11410
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 878795
  • Archival Resource Key: ark:/67531/metadc878442

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  • August 12, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Sept. 26, 2017, 1:28 p.m.

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Fischer, G. E. Alighment and Vibration Issues in TeV Linear Collider Design, article, August 12, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc878442/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.