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



ID: 543383.0, MPI für Physik / MPI für Physik
Precision Drift-Tube Chambers for the ATLAS Muon Spectrometer at Super-LHC
Authors:Engl, A.; Hertenberger, R.; Kortner, O.; Kroha, H.; Legger, F.; Richter, R.; Rauscher, F.
Date of Publication (YYYY-MM-DD):2008
Title of Proceedings:IEEE NSS 08
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:The measurement of muon momenta with very high precision is one of the most
challenging aspects of the ATLAS experiment at the Large Hadron Collider (LHC) at Cern. The ATLAS muon
detector is equipped with three layers of Monitored Drift Tube (MDT) chambers in a
magnetic field generated by a
superconducting air-core magnet system for precision tracking, and is designed to withstand particle fluxes of up to 500~cm$^{-2}$s$^{-1}$.
However 10 times higher background rates are to be expected at the Super-LHC, the luminosity upgrade of the LHC.
We investigate the possibility of improving the performances of the MDT chambers at high rates
by reducing the diameter of the drift tubes from the current value of 30~mm to 15~mm. We report on the results of
cosmic ray measurements with a prototype detector equipped with the thinner
drift tubes in the presence of particle fluxes of up to 2000~cm$^{-2}$s$^{-1}$.
Classification / Thesaurus:ATLAS
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2008-185
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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