First Results from a Prototype of the RASNIK Alignment System for the Outer Tracker Detector in LHCb Experiment
msra
摘要
An optical system for periodical alignment monitoring and control of the Outer Tracker detector stations has been proposed in the LHCb experiment. The resulting measurements will be used to update the Outer Tracker chamber positions during track reconstruction. The system will be based on the RASNIK three-point alignment monitor developed at NIKHEF in Amsterdam. The three stations prototype with eight RASNIK lines has been constructed at SINS laboratory in Warsaw. The first results show the measurements of the stations frames positions with few μm precisions.
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