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URN: urn:nbn:de:swb:90-AAA258320014

Construction and performance of a micro-pattern stereo detector with two gas electron multipliers [online]

Barvich, Tobias; Bluem, Peter; Erdmann, Martin; Fahrer, Manuel; Kaercher, Kurt; Kuehn, F.; Moermann, D.; Mueller, Thomas; Neuberger, D.; Roederer, F.; Simonis, Hans-Jürgen; Skiba, Alexander; Thuemmel, Wolf Hagen; Weiler, Thomas; Weseler, Siegfried

Abstract:

The construction of a micro-pattern gas detector of dimensions
40 x 10 cm² is described. Two gas electron multiplier foils
(GEM) provide the internal amplification stages. A two-layer
readout structure was used, manufactured in the same technology
as the GEM foils. The strips of each layer cross at an effective
crossing angle of 6.7 degrees and have a 406 micro-m pitch. The
performance of the detector has been evaluated in a muon beam at
CERN using a silicon telescope as reference system. The position
resolutions of two orthogonal coordinates are measured to be
50 micro-m and 1 mm, respectively. The muon detection efficiency
for two-dimensional space points reaches 96%.
Key words:
detector, position sensitive, GEM, two-layer readout


Zugehörige Institution(en) am KIT Institut für Experimentelle Kernphysik (IEKP)
Publikationstyp Buch
Jahr 2001
Sprache Englisch
Identifikator URN: urn:nbn:de:swb:90-AAA258320014
KITopen ID: 25832001
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