CERN Accelerating science

Article
Title	Construction of the inner layer barrel drift chambers of the ATLAS muon spectrometer at the LHC
Author(s)	Livan, M (INFN, Pavia) ; Bagnaia, P (INFN, Pavia) ; Barisonzi, M (INFN, Pavia) ; Bini, C (INFN, Pavia) ; Calabro, D (INFN, Pavia) ; Caloi, R (INFN, Pavia) ; Cambiaghi, M (INFN, Pavia) ; Capradossi, G (INFN, Pavia) ; Cavallari, A (INFN, Pavia) ; Cecconi, V (INFN, Pavia) ; Ciapetti, G (INFN, Pavia) ; Daly, C H (INFN, Pavia) ; De Salvo, A (INFN, Pavia) ; De Zorzi, G (INFN, Pavia) ; Di Domenico, A (INFN, Pavia) ; Di Mattia, A (INFN, Pavia) ; Ferrari, R (INFN, Pavia) ; Fraternali, M (INFN, Pavia) ; Freddi, A (INFN, Pavia) ; Gaudio, G (INFN, Pavia) ; Gauzzi, P (INFN, Pavia) ; Gentile, S (INFN, Pavia) ; Iannone, M (INFN, Pavia) ; Iuvino, G (INFN, Pavia) ; Lacava, F (INFN, Pavia) ; Lanza, A (INFN, Pavia) ; Lubatti, H J (INFN, Pavia) ; Luci, C (INFN, Pavia) ; Mattei, A (INFN, Pavia) ; Nardoni, C (INFN, Pavia) ; Negri, A (INFN, Pavia) ; Pelosi, A (INFN, Pavia) ; Piscitelli, C (INFN, Pavia) ; Pontecorvo, L (INFN, Pavia) ; Rebuzzi, D (INFN, Pavia) ; Scagliotti, C (INFN, Pavia) ; Scannicchio, D A (INFN, Pavia) ; Valente, P (INFN, Pavia) ; Vercellati, F (INFN, Pavia) ; Zanello, L (INFN, Pavia)
Affiliation	(Livan, M., Dipt. di Fisica Nucl.e e Teorica, Univ. di Pavia & INFN Sezione di Pavia, Italy.)
Publication	2005
In:	Nucl. Instrum. Methods Phys. Res., A 546 (2005) 481-497
DOI	10.1016/j.nima.2005.02.040
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Abstract	We have designed and built the facilities to assemble the inner layer of the precision tracking chambers (Monitored Drift Tubes, MDT) for the Muon Spectrometer of the ATLAS Experiment at LHC. This article describes in detail the tooling, the procedures and the quality control equipment used in the chambers assembly. Data are presented from the X-ray tomograph at CERN showing that the required chamber mechanical precision has been achieved.

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