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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 544740.0, MPI für Physik / MPI für Physik
Large-Scale Production of the Precision Drift Tube Chambers for the ATLAS Muon Spectrometer
Authors:Bauer, F.; Blum, W.; Horvat, S.; Kroha, H.; Manz, A.; Mohrdieck, S.; Richter, R.; Zhuravlov, V. V.; Kortner, O.; Rauscher, F.; Schaile, D.; Staude, A.; Stroehmer, R.; Trefzger, T.; Chelkov, G. A.; Dedovitch, D. V.; Evtoukhovitch, P. G.; Gongadze, A. L.; Gostkine, M. I.; Khartchenko, D. V.; Kotov, S.; Potrap, I. N.; Glonti, G.; Tskhadadze, E. G.
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:The muon spectrometer of the ATLAS detector at the large hadron
collider (LHC) will contain about 1200 high-precision drift chambers
with a position resolution of 40 micrometer covering an
active area of 5500 squaremeters. The chambers consist of three or four
layers of pressurized drift tubes on either side of a space frame which
carries an optical monitoring system for measuring deformations (Monitored
Drift Tube chambers, MDT). We report about the serial production
of the MDT chambers which are to be installed at the outer circumference
of the barrel part of the muon spectrometer. With 432 drift tubes of 3.8 m
length and a width of 2.16 m these chambers are among the largest in the
ATLAS muon spectrometer. The signal wire positions in 5 of these chambers
have been measured with an X-ray scanning device at CERN. A wire positioning
accuracy of better than 10 micrometer (rms) has been reached
which exceeds the requirement of 20 micrometer (rms). The performance of one
of the chambers equipped with a prototype version of the final readout electronics
for ATLAS has been tested in a muon beam at CERN.
Classification / Thesaurus:ATLAS
Document Type:Conference-Paper
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2002-160
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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