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Search: WFRF:(Martinengo R.) > (2007)

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  • Di Mauro, A., et al. (author)
  • Development of innovative micro-pattern gaseous detectors with resistive electrodes and first results of their applications
  • 2007
  • In: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576. ; 581:1-2, s. 225-231
  • Journal article (peer-reviewed)abstract
    • The paper summarizes our latest progress in the development of newly introduced micro-pattern gaseous detectors with resistive electrodes. These resistive electrodes protect the detector and the front-end electronics in case of occasional discharges and thus make the detectors very robust and reliable in operation. As an example, we describe in greater detail a recently developed GEM-like detector, fully spark-protected with electrodes made of resistive kapton. We discovered that all resistive layers used in these studies (including kapton) that are coated with photosensitive layers, such as CsI, can be used as efficient photocathodes for detectors operating in a pulse counting mode. There is a description of the first applications of such detectors combined with CsI or SbCs photocathodes for the detection of UV photons at room and cryogenic temperatures.
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2.
  • Peskov, V., et al. (author)
  • Development and first tests of GEM-Like detectors with resistive electrodes
  • 2007
  • In: IEEE Transactions on Nuclear Science. - : Institute of Electrical and Electronics Engineers (IEEE). - 0018-9499 .- 1558-1578. ; 54:5, s. 1784-1791
  • Journal article (peer-reviewed)abstract
    • We have developed and tested several prototypes of GEM-like detectors with electrodes coated with resistive layers or completely made of resistive materials. These detectors can operate stably at gains close to 10(5). The resistive layers limit the energy of discharges appearing at higher gains thus making the detectors very robust. We demonstrated that the cathodes of some of these detectors could be coated by CsI or SbCs layers to enhance the detection efficiency for the UV and visible photons. We also discovered that such detectors can operate stably in the cascade mode and high overall gains (similar to 10(6)) are reachable. Applications in several areas, for example in RICH or in noble liquid TPCs are therefore possible. The first results from the detection of UV photons at room and cryogenic temperatures will be given.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Lund-Jensen, Bengt (2)
Di Mauro, A. (2)
Martinengo, P. (2)
Nappi, E. (2)
Peskov, V. (2)
Oliveira, R. (2)
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Periale, L. (2)
Picchi, P. (2)
Pietropaolo, F. (2)
Rodionov, I. (2)
Santiard, J. -C. (1)
Ventura, S. (1)
Baibussinov, B. (1)
Centro, S. (1)
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University
Royal Institute of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2007 (2)Undo refine

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