Construction, test and commissioning of the triple-GEM tracking detector for COMPASS (2002)
Altunbas, M C, Capéans-Garrido, M, Dehmelt, K, Ehlers, J, Konorov, I, Gandi, A, ...
The Small Area Tracking system of the COMPASS experiment at CERN includes a set of 20 large area, fast position-sensitive Gas Electron Multiplier (GEM) detectors, designed to reliably operate in the...
Discharge studies and prevention in the gas electron multiplier (GEM) (2001)
Bachmann, S, Bressan, A, Capéans-Garrido, M, Deutel, M, Kappler, S, Ketzer, B, ...
The gas electron multiplier (GEM) used as single proportional counter or in a cascade of two or more elements, permits to attain high gains and to perform detection and localization of ionizing...
Further developments of the gas electron multiplier (GEM) (1998)
Benlloch, J M, Bressan, A, Capéans-Garrido, M, Gruwé, M, Hoch, M, Labbé, J C, ...
We describe the development and operation of the Gas Electron Multiplier, a thin insulating foil metal-clad on both sides and perforated by a regular pattern of small holes. The mesh can be...
Development of the gas electron multiplier (GEM) (1998)
Benlloch, J M, Bressan, A, Büttner, C, Capéans-Garrido, M, Gruwé, M, Hoch, M, ...
We describe recent developments of the Gas Electron Multiplier (GEM), a thin composite mesh acting as proportional avalanche amplifier in gas counters. In beam tests we have verified the excellent...
Barr, A J, Bachmann, S, Boimska, B, Bouclier, Roger, Braem, André, Camps, C, ...
We describe the construction, test and installation procedures, and the experience gained with the operation of a small but complete system of high rate Micro-Strip Gas Chambers, made on thin...
Progress with the gas electron multiplier (1997)
Büttner, C, Capéans-Garrido, M, Dominik, Wojciech, Hoch, M, Labbé, J C, Manzin, G, ...
The Gas Electron Multiplier (GEM) amplifies electrons released in a gas and transfers them to a second element of detection, multi-wire or micro-strip chamber. We describe recent developments...
Progress with diamond over-coated microstrip gas chambers (1997)
Boimska, B, Bouclier, Roger, Capéans-Garrido, M, Dominik, Wojciech, Million, Gilbert, Ropelewski, Leszek, ...
We describe recent observations and measurements with Micro-Strip Gas Chambers coated, after manufacturing, with a thin diamond-like layer in order to increase their rate capability. Compared to the...
The virtual cathode chamber (1997)
Capéans-Garrido, M, Dominik, Wojciech, Hoch, M, Ropelewski, Leszek, Sauli, Fabio, Shekhtman, L I, ...
We describe the operating principle and the first experimental results obtained with gas micro-strip detectors realized with anodes only on the active side, the multiplying field being provided from...
"Diamond" over-coated Microstrip Gas Chambers for high rate operation (1997)
Barr, A J, Boimska, B, Bouclier, Roger, Capéans-Garrido, M, Dominik, Wojciech, Hoch, M, ...
We describe the recent developments on the diamond-like carbon (DLC) over-coated Microstrip Gas Chambers made on drawn glass substrates. MSGC surface coating with thin DLC layer of stable and...
Operation of high rate microstrip gas chambers (1997)
Barr, A J, Boimska, B, Bouclier, Roger, Capéans-Garrido, M, Dominik, Wojciech, Manzin, G, ...
We describe recent measurements carried out in well controlled and reproducible conditions to help understanding the factors affecting the short and long term behaviour of Microstrip Gas Chambers....
Study of ageing and gain limits of microstrip gas chambers at high rates (1997)
Boimska, B, Bouclier, Roger, Capéans-Garrido, M, Claes, S, Dominik, Wojciech, Hoch, M, ...
The CMS experiment comprises MSGCs as one of the key detection elements for high luminosity tracking at LHC. In addition to the high dose rate of 10 mC/year per cm of strip, these detectors have to...
The gas electron multiplier (GEM) (1996)
Bouclier, Roger, Capéans-Garrido, M, Dominik, Wojciech, Hoch, M, Labbé, J C, Million, Gilbert, ...
We describe operating priciples and results obtained with a new detector component: the Gas Electrons Multiplier (GEM). Consisting of a thin composite sheet with two metal layers separated by a thin...
Ageing of microstrip gas chambers: problems and solutions (1996)
Bouclier, Roger, Capéans-Garrido, M, Garabatos, C, Manzin, G, Million, Gilbert, Ropelewski, Leszek, ...
The experimental set-up and the procedures used for studying the long-term behaviour of micro-strip gas chambers under sustained irradiation are described in detail. The most significant measurements...
High rate operation of micro-strip gas chambers (1996)
Bouclier, Roger, Capéans-Garrido, M, Hoch, M, Million, Gilbert, Ropelewski, Leszek, Sauli, Fabio, ...
High rate operation of micro-strip gas chambers on diamond-coated glass (1995)
Bouclier, Roger, Capéans-Garrido, M, Million, Gilbert, Ropelewski, Leszek, Sauli, Fabio, Temmel, T, ...
Very high rate operation of microstrip gas chambers can be achieved using slightly conducting substrates. We describe preliminary measurements realized with detectors manufactured on boro-silicate...
Optimization of design and beam test of microstrip gas chambers (1995)
Bouclier, Roger, Capéans-Garrido, M, Evans, J, Garabatos, C, Manzin, G, Million, Gilbert, ...
We describe recent experimental and theoretical work aimed at optimizing the geometry and the operation of micro-strip gas chambers in order to improve their performance and reliability. With the...
On some factors affecting discharge conditions in micro-strip gas chambers (1995)
Bouclier, Roger, Capéans-Garrido, M, Garabatos, C, Manzin, G, Million, Gilbert, Ropelewski, Leszek, ...
Development of micro-strip gas chambers for high rate operation (1995)
Bouclier, Roger, Capéans-Garrido, M, Garabatos, C, Manzin, G, Million, Gilbert, Ropelewski, Leszek, ...
High rate operation and lifetime studies with micro-strip gas chambers (1994)
Böhm, J, Bouclier, Roger, Capéans-Garrido, M, Garabatos, C, Manzin, G, Million, Gilbert, ...
Effects of outgassing from some materials on gas chamber ageing (1994)
Bouclier, Roger, Capéans-Garrido, M, Garabatos, C, Sauli, Fabio, Silander, K