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Vibration stabilization for the final focus magnet of a future linear collider

Abstract : One of the accelerator projects currently being studied is the construction of a linear collider composed of two 16 km arms face to face. Nominal luminosity is of the order of 1034cm-2s-1. For such a performance, one must take into account the ground nanodisplacements induced by cultural noise. The machine optical elements must be stable and in particular the movements of the two final focus magnets must be smaller than a third of the beam size. This can only be achieved through active stabilization. The current mechatronics study focuses on three subjects. First, one needs adapted sensors and actuators to measure nanodisplacements and achieve the required stabilization. Secondly, mechanical models are being tested to help optimize the final design. In a third part, a feedback loop is being developed to obtain the vibration stabilization of the whole system.
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Contributor : Claudine Bombar <>
Submitted on : Monday, November 28, 2005 - 4:41:36 PM
Last modification on : Wednesday, July 22, 2020 - 9:54:15 AM
Long-term archiving on: : Friday, April 2, 2010 - 11:15:14 PM


  • HAL Id : in2p3-00025136, version 1



C. Adloff, B. Bolzon, F. Cadoux, N. Geffroy, S. Géneté, et al.. Vibration stabilization for the final focus magnet of a future linear collider. 6th International Workshop on Research and Education in Mechatronics, Jun 2005, Annecy, France. ⟨in2p3-00025136⟩



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