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Budgeting and control of the mechanical noise in the International Linear Collider Final Focus System

par Tshilumba, David ;ORIUNNO, Marco;MARKIEWICZ, Thomas;Collette, Christophe
Référence Physical review special topics. Accelerators and beams, 17, page (062801)
Publication Publié, 2014

Article révisé par les pairs

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Résumé :

In this paper, we present a simplified vibration model of the silicon detector (SiD), where the final doublet (QD0) is captured inside the detector and the penultimate magnet (QF1) is inside the machine tunnel. Ground motion spectra measured at the detector hall at SLAC have been used together with a spectrum of the technical noise on the detector. The model predicts that the maximum level of rms (root mean square) vibration seen by QD0 is well below the capture range of the interaction point (IP) feedback system available in the ILC. With the addition of an active stabilization system on QD0, it is also possible to get closer to the stability requirements of the compact linear collider (CLIC). These results can have important implications for CLIC. ©2014 Published by the American Physical Society.