Abstract:

Multiwire gaseous detectors have matured in the last few decades with major implications in particle physics experiments. They have also been successfully refined for use in other fields: X-rays for medical imaging, UV and single photon detection, neutron and crystal diffraction studies etc. Their major limitation has been a modest rate capability (10³/mm²). In the last decade several micropattern position sensitive gas devices have been introduced with an inherently improved rate capability (few MHz/mm²) and a localization accuracy of 40-50 µm. They are being extensively pursued for their application in several fields. The state of the art of this new generation of gaseous detectors will be reviewed.

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