Description: We discuss the design and construction of the Time Projection chambers (TPCs) of the Omega Ring Imaging Cerenkov Detector (RICH). Details are given of the TPC high voltage system and its monitoring and control. In addition, the operation and monitoring of the readout is described together with results of tests on the performance of the front end amplifiers. The operation of the RICH TPCs and electronics during the first data run of WA69, in 1984, is discussed together with relevant results from laboratory tests. Results from the preliminary analysis of a sample of data from the 1984 run are also presented.
Date: October 1, 1985
Creator: Apsimon, R.J.; Flower, P.S.; Freeston, K.A.; Hallewell, G.D.; Morris, J.A.G.; Morris, J.V. et al.
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