A New GEM-like Imaging Detector with Electrodes Coated with Resistive Layers

We have developed and tested several prototypes of GEM-like detectors with electrodes coated with resistive layers: CuO or CrO. These detectors can operate stably at gains close to 10E5 and they are very robust. We discovered that the cathodes of these detectors could be coated by CsI layers and in...

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Detalles Bibliográficos
Autores principales: Di Mauro, Antonio, Lund-Jensen, B., Martinengo, Paolo, Napri, Eugenio, Peskov, Vladimir, Periale, Luciano, Picchi, P., Pietropaolo, Francesco, Rodionov, I.
Lenguaje:eng
Publicado: 2006
Materias:
Other Fields of Physics
Acceso en línea:https://dx.doi.org/10.1109/NSSMIC.2006.353831
http://cds.cern.ch/record/1006431
Descripción
Sumario:We have developed and tested several prototypes of GEM-like detectors with electrodes coated with resistive layers: CuO or CrO. These detectors can operate stably at gains close to 10E5 and they are very robust. We discovered that the cathodes of these detectors could be coated by CsI layers and in such a way the detectors gain high efficiency for the UV photons. We also demonstrated that such detectors can operate stably in the cascade mode and high overall gains (~10E6) are reachable. This opens applications in several areas, for example in RICH or in noble liquid TPCs. Results from the first applications of these devices for UV photon detection at room and cryogenic temperatures are given.

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