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 plastic streamer 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 an understanding of the underlying physics of discharge mechanisms in wire detectors.
Calcaterra, A., Desangro, R., Desimone, P., Burrows, P., Cartwright, S., Gonzalez, S., et al. (1990). Survey of the response of standard limited streamer tubes over the complete range of three-component gas mixtures of isobutane, CO2, Argon. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT, 289(3), 449-462 [10.1016/0168-9002(90)91516-E].
Survey of the response of standard limited streamer tubes over the complete range of three-component gas mixtures of isobutane, CO2, Argon
CARPINELLI, Massimo;
1990
Abstract
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 plastic streamer 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 an understanding of the underlying physics of discharge mechanisms in wire detectors.
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