Electric field distribution and simulation of avalanche formation due to the passage of heavy ions in a parallel grid avalanche counter |
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Authors: | D Kanjilal and S Saha |
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Institution: | (1) Nuclear & Atomic Physics Division, Saha Institute of Nuclear Physics, Kolkata, 700 064, India |
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Abstract: | Electric field distributions and their role in the formation of avalanche due to the passage of heavy ions in parallel grid
avalanche type wire chamber detectors are evaluated using a Monte Carlo simulation. The relative merits and demerits of parallel
and crossed wire grid configurations are studied. It is found that the crossed grid geometry has marginally higher gain at
larger electric fields close to the avalanche region. The spatial uniformity of response in the two wire grid configurations
is also compared.
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Keywords: | Avalanche propagation gas gain parallel grid avalanche counter |
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