Measurement of the trailing edge of cosmic-ray track signals from a round-tube drift chamber

The trailing edge of tube drift-chamber signals for charged particles is expected to provide information concerning the particle passage time. This information may be useful for separating meaningful signals from overlapping garbage at high-rate experiments, such as the future LHC experiments. We ca...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2000-09, Vol.452 (1), p.170-178
Main Authors: Abe, Miho, Emura, Tsuneo, Odaka, Shigeru
Format: Article
Language:English
Subjects:
High-rate experiment
Signal shaping
Trailing edge
Tube drift chamber
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Summary:The trailing edge of tube drift-chamber signals for charged particles is expected to provide information concerning the particle passage time. This information may be useful for separating meaningful signals from overlapping garbage at high-rate experiments, such as the future LHC experiments. We carried out a cosmic-ray test using a small tube chamber in order to investigate the feasibility of this idea. We achieved a trailing-edge time resolution of 12 ns in RMS by applying simple pulse shaping to eliminate a signal tail. A comparison with a Monte Carlo simulation indicates the importance of well-optimized signal shaping to achieve good resolution. The resolution may be further improved with better shaping.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(00)00360-0