Carbon Coated Gas Electron Multipliers

S. Beirle; U. Werthenbach; G. Zech; T. Zeuner

doi:10.1016/S0168-9002(98)01315-1

Carbon Coated Gas Electron Multipliers

Instrumentation and Detectors 2008-11-26 v1

Authors: S. Beirle , U. Werthenbach , G. Zech , T. Zeuner

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Abstract

Gas electron multipliers (GEMs) have been overcoated with a high resistivity 10e14 - 10e15 Ohms / square amorphous carbon layer. The coating avoids charging up of the holes and provides a constant gain immediately after switching on independent of the rate. The gain uniformity across the GEM is improved. Coating opens the possibility to produce thick GEMs of very high gain.

Keywords

gaseous detectors

Cite

@article{arxiv.physics/9807039,
  title  = {Carbon Coated Gas Electron Multipliers},
  author = {S. Beirle and U. Werthenbach and G. Zech and T. Zeuner},
  journal= {arXiv preprint arXiv:physics/9807039},
  year   = {2008}
}

Comments

14 pages, 9 figures, submitted to Nucl. Instr. and Meth. A 1998

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