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Detection of single electrons by means of a Micromegas-covered Medi Pix2 pixel CMOS readout circuit
A small drift chamber was read out by means of a MediPix2 readout chip as a direct anode. A Micromegas foil was placed 50 mu m above the chip, and electron multiplication occurred in the gap. With a He /isobutane 80/20 mixture, gas multiplication factors up to tens of thousands were achieved, result...
| Autores principales: | , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.nima.2004.11.036 http://cds.cern.ch/record/912967 |