Ground Motion Studies with respect to Linac Performance
A. Sery
CEA, DSM/DAPNIA, Saclay, France (Permanent address: Branch INP, Protvino, Russia)
Abstract
A future TeV linear collider should have extremely small emittance of beams to achieve required luminosity. Precise alignment of focusing and accelerating elements is necessary to prevent emittance dilution. Analysis of ground motion is therefore an essential problem.
This paper reviews studies of ground motion, focusing on the effects in main linac. After recalling results of measurements of ground motion collected at different places in the world, we present methods that allow prediction of emittance dilution based on an adequate description of ground motion. Some alignment techniques are also briefly discussed.
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sln 14 March 1996
Conference