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1.
Cross-Calibration of Two Automatic Quality Control Systems for the CMS ECAL Crystals / Auffray, Etiennette (CERN) ; Cavallari, Francesca (CERN) ; Chevenier, Guy (Centre for Complex Cooperative Systems, University of the West of England, Bristol, UK) ; Lecoq, Paul (CERN) ; Perez-Prado, P (CERN) ; Schneegans, Marc (LAPP, Annecy, France) ; Sempere-Roldan, P (CERN)
The barrel part of the CMS electromagnetic calorimeter consists of about 60000 PWO crystals and will be assembled in two Regional Centers, nearby Rome and at CERN. Two automatic machines have been designed to check the crystal quality before assembly. [...]
CMS-NOTE-2003-003.- Geneva : CERN, 2003 Fulltext: PDF PS.Z;
2.
Studies and Proposals for an Automatic Crystal Control System / Drobychev, Gleb (LAPP, Annecy and INP, MINSK) ; Fedorov, Andrey (INP, MINSK, Belarus) ; Khruschinsky, A A (INP, MINSK, Belarus) ; Korzhik, Mikhail (INP, MINSK, Belarus) ; Missevitch, Oleg (INP, Minsk, Belarus) ; Oriboni, André (LAPP, France) ; Peigneux, Jean-Pierre (LAPP, France) ; Schneegans, Marc (LAPP, France)
This document presents the status of the studies for an Automatic Crystal Control System ( ACCOS) performed since autumn 1995 for the CMS collaboration. Evaluation of a startstop method for light yield, light uniformity and decay time measurements of PbWO4 crystals is presented, as well as the first results obtained with a compact double-beam spectrophotometer for transverse transmission. [...]
CMS-NOTE-1997-036.- Geneva : CERN, 1997 Fulltext: PDF PS.Z;
3.
Development of a Uniformisation Procedure for the PbW04 Crystals of the CMS Electromagnetic Calorimeter / Auffray, Etiennette (CERN) ; Davies, Gavin ; Lebeau, Michel ; Lecoq, Paul ; Paoletti, Simone ; Schneegans, Marc ; Sempere-Roldan, P
The CMS electromagnetic calorimeter will consist of nearly 80,000 lead tungstate crystals, with 18 different geometries. The contribution of any non-uniformity in the light collection to the constant term in the energy resolution must be limited to 0.3%. [...]
CMS-NOTE-2001-004.- Geneva : CERN, 2001 Fulltext: PDF PS.Z;
4.
Initial Tests on First Full-size Endcap Crystals / Davies, Gavin (CERN) ; Auffray, Etiennette (CERN) ; Lecoq, Paul (CERN) ; Marcos, Roger (CERN) ; Schneegans, Marc (LAPP, Annecy, France) ; Sempere-Roldan, P (CERN)
At the end of last year the first full size ECAL endcap crystals were delivered to CERN.Thirty in number, they were produced to the final geometrical specifications; 220mm long with a rear square face of 30mm and a front square face of 28.6mm. All were de livered polished. [...]
CMS-NOTE-1999-022.- Geneva : CERN, 1999 Fulltext: PDF PS.Z;
5.
Specifications for Lead Tungstate Crystals Preproduction / Auffray, Etiennette (CERN) ; Lebeau, Michel (CERN) ; Lecoq, Paul (CERN) ; Schneegans, Marc (LAPP, Annecy, France)
After 3 years of extensive R&D; the Bogoroditsk Techno-Chemical Plant in Russia is ready to enter a preproduction phase where 6000 Lead Tungstate crystals will be produced for the CMS electromagnetic calorimeter during a period of about 18 months. Although this is a demonstration test for the mass production, these crystals will have to be installed in the calorimeter and have therefore to comply with the very severe constraints imposed by the ambitious performance goal of the calorimeter in the high radiation environment of LHC. [...]
CMS-NOTE-1998-038.- Geneva : CERN, 1998 Fulltext: PDF PS.Z;
6.
6th International Conference on Inorganic Scintillators and their use in Scientific and Industrial Applications - Scint 2001   16 - 21 Sep 2001  - Chamonix, France  / Auffray, Etiennette (ed.) (CERN); Chipaux, Rémi (ed.); Lecoq, Paul (ed.) (CERN); Pédrini, Christian (ed.); Schneegans, Marc (ed.)
2002 - Published in : Nucl. Instrum. Methods Phys. Res., A 486 (2002)

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