GEM: A new concept for electron amplification in gas detectors

@article{Sauli1997GEMAN,
  title={GEM: A new concept for electron amplification in gas detectors},
  author={F. Sauli},
  journal={Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment},
  year={1997},
  volume={386},
  pages={531-534}
}
  • F. Sauli
  • Published 1997
  • Physics
  • Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
  • We introduce the gas electrons multiplier (GEM), a composite grid consisting of two metal layers separated by a thin insulator, etched with a regular matrix of open channels. A GEM grid with the electrodes kept at a suitable difference of potential, inserted in a gas detector on the path of drifting electrons, allows to pre-amplify the charge drifting through the channels. Coupled to other devices, multiwire or microstrip chambers, it permits to obtain higher gains, or to operate in less… CONTINUE READING
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