This year we celebrate the 100th birthday of gaseous detectors: Hans Geiger operated the first gas-filled counter in Manchester in 1908. The thin wires, essential for obtaining gas amplification, have been replaced by Micro Pattern Gas Detectors (MPGDs): Micromegas (1995) and GEM (1996). In the Grid
โฆ LIBER โฆ
Recent developments in gaseous tracking detectors
โ Scribed by S. Roth
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 659 KB
- Volume
- 117
- Category
- Article
- ISSN
- 0920-5632
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โฆ Synopsis
An overview of recent developments in gaseous tracking detectors is given focussing on the application of micro pattern devices. For trigger purposes in LHC-B a triple-GEM detector has been optimized for good time performance through a detailed investigation of the role played by electric fields and gas mixture. The design studies for a time-projection chamber at the detector of a e + e -linear collider advise the usage of micro pattern devices. Ongoing R&D work for the construction of a TPC using either GEM foils or Micromegas is presented.
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