Abstract
We present the results of a systematic study performed on small-size diamond-like carbon (DLC) GEM foils designed for the fast timing MPGD (FTM), a micro-pattern gaseous detector conceived to achieve a sub-nanosecond time resolution for tracking and calorimetry at future collider experiments. The performance of the detector is shown to be still limited by the quality of the DLC foil manufacturing and etching; however, it is still possible to obtain high amplification (larger than 104) in isobutane-based mixtures, that is expected in the near future to provide good detection efficiency with dedicated electronics. We finally show the performance of a simple test setup for the FTM time resolution measurement made of two identical multi-anode PMTs coupled to Cherenkov radiators, reporting their time resolution measured with cosmics.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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