Laser measurement of the LAT detector displacement
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Date
2003
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Institute of Nuclear Physics Polish Academy of Sciences
Abstract
The LAT (Low Angle Tagger) detector is the component of the proposed detector for meas-urement of the events produced in high energy e+ e- collisions at proposed TESLA collider. In this paper we discuss the possible solutions for the positioning of the LAT electron detector by optical method. The first results of the displacement measurement using a laser beam and a charge-coupled-device sensor are described. The measurements were performed on a proof-of-principle basis with a low cost web camera and achieved the accuracy of about 1 μm.