Survey of the response of standard limited streamer tubes over the complete range of three-component gas mixtures of isobutane, CO/sub 2/, argon
Description: We present the results of a systematic study of three-component gas mixtures containing argon, isobutane, and carbon dioxide. The study used production-type chambers from the SLD Warm Iron Calorimeter (WIC), instrumented with standard pleastic streamert tubes, and triggered by cosmic-ray muons. Pulse height spectra are presented as a function of high voltage, over a wide range of mixtures of these three gases. Various features and similarities observed throughout this three-dimensional mixture space are important clues to understanding the underlying physics of discharge mechanisms in wire detectors. 15 refs., 17 figs.
Date: July 1, 1989
Creator: Calcaterra, A.; De Sangro, R.; De Simone, P.; Burrows, P.; Cartwright, S.L.; Gonzalez, S. et al.
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