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Abstract:
The performance of a 1m×1m drift chamber system have been measured with on-line microcomputer using comic rays. The time resolution is 4.26 ns. The spatial resolution is 132 μm and the efficiency is above 96%. The experimental set-up include five 1m×1m adjustable field drift chambers, scintillation counter trigger system, readout electronics and a TRS-80 microcomputer. The data acquisition and processing have been done with on-line microcomputer and off-line data analysis.
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