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Published byKellie Jefferson Modified over 9 years ago
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Prototyping and study of Glass Spark Chamber detectors B.Satyanarayana TIFR, Mumbai
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors2 Materials for the chamber fabrication Glass Modi float glass 2mm thick Measured Mean 2.017 & RMS 0.013 Resistivity ~10 12 -cm Surface preparation
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors3 Materials for the chamber fabrication Carbon powder Special high grade Kolloidgraphite 40019 Nikunj Eximp Enterprises (P) Ltd Fixed carbon 94/96%, Mesh size –800/1000
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors4 Materials for the chamber fabrication Coating Mixed with thinner and lacquer Applied with spray gun Various proportions tried
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors5 Graphite resistance
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors6 Materials for the chamber fabrication Argon44% Isobutane4% Freon-R2252%
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors7 Spacers for glass plates
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors8 Acrylic frame for the chamber
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors9 Exploded view of the chamber
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors10 Model of an assembled chamber
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors11 Typical signal from the chamber
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors12 Cosmic Ray Test setup
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors13 Counting rate of the chamber
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January 9, 2003Prototyping and study of Glass Spark Chamber detectors14 Present status Detector efficiency is the main problem Gas mixture, carbon coating Procuring various gases and mixer Need to improve timing
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