An overview of the alignment requirements of the muon tracking system will be given first, followed by the plan of how the alignment tolerances will be met through assembly of the chamber and active monitoring inside the spectrometer. The current status of the R+D work being done on the various possible active alignment system components will be presented. Both CCD cameras and lateral cell detectors appear to be capable of actively monitoring the positions of the chambers to within our tolerances. By the time of the meeting, data on the stability of the position calibrations, the detector measurements and the variance over the cell will be available for the lateral cells. The current status of the alignment of the cathode strip etcher to the cathode strip chamber frames will also be discussed. Initial calibrations uncovered several problems with the alignment pin setups and possible problems with the lead screw calibrations. The resolutions of the various problems will be presented as well as the plan to continue to improve the etcher to chamber frame alignment measurements.

Abstract Number: uk95a-11

Requested Presentation Time: 45

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