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Beissel, F.; Boehm, A.; Bosseler, K.; Camps, C.; Commichau, V.; Deutschmann, M.; Frohn, H.; Jansen, D.; Goettlicher, P.; Grooten, J.; Hangarter, K.; Herten, U.; Liebmann, H.; Mnich, J.; Moeller, M.; Pahlke, R.; Reuter, W.; Rieb, N.; Rinsche, U.; Roehner, S.; Rose, J.; Quadflieg, K.; Schmitz, P.; Schulte, R.; Schulte, S.; Schultze, K.; Spickermann, T.; Starosta, R.; Szczesny, H.; Sassowsky, M.; Tonutti, M.; Virnich, H.; Winands, T.; Sens, J.C.; Bourilkov, D.; Schotanus, D.J.; Akbari, H.; Bao, J.; Chien, C.Y.; Fisher, P.; Gougas, A.; Newman, D.; Orndorff, J.; Pevsner, A.; Spangler, J.; Spartiotis, C.; Alverson, G.; Glaubman, M.; Leedom, I.; Reucroft, S.; Taylor, L.; Barbier, G.; Bene, P.; Bourquin, M.; Field, J.H.; Forconi, G.; La Marra, D.; Leger, A.; Masciocchi, F.; Perrier, J.; Perrin, E.; Produit, N.; Richeux, J.P.; Weber, M.; Antonov, L.; Botev, S.; Krastev, V.; Orlinov, I.; Hasan, A.; Sultanov, G.; Vikas, P.; Haerdi, E.; Deiters, K.; Donat, A.; Friebel, W.; Heller, R.; Kirsch, S.; Krankenhagen, R.; Lange, W.; Leiste, R.; Lohmann, W.; Lustermann, W.; Roeser, U.; Peng, Y.; Tonisch, F.; Trowitzsch, G.; Vogt, H.; Wilhelmi, M.; Anderhub, H.; Baur, W.; Beauvais, F.; Behner, F.; Behrens, J.; Betev, B.; Biland, A.; Djambazov, L.; Dhina, M.; Fehlmann, J.; Haensli, M.; Herrmann, J.; Hofer, U.; Horisberger, U.; Isiksal, E.; Jung, H.; Kaestli, W.; Lanius, K.; Lue, X.; Neyer, C.; Maolinbay, M.; McNally, D.; Okle, M.; Pohl, M.; Rahal-Callot, G.; Ren, D.; Schuijlenburg, H.; Stoehr, B.; Suter, H.; Thuerig, H.; Ulbricht, J.; Viertel, G.M.; Gunten, H.P. von; Waldmeier, S.; Weber, J.; Zehnder, L.; Zemp, P.1993
AbstractAbstract
[en] The L3 central tracking detector has been in operation since the start-up of LEP (Large Electron Positron collider) in 1989. This detector consists of a Time Expansion Chamber (TEC), a layer of Plastic Scintillating Fibers and a Z-chamber. The TEC gives a high spatial resolution and an excellent multi-track reconstruction capability. The fibers are designed to calibrate the drift velocity with high precision. The Z-Chamber provides TEC with accurate information about the z-coordinates of the tracks. A description of the design and the infrastructure of these three detectors, including the readout and data acquisition system, is given. The performance of the detectors during the 1990 and 1991 LEP running periods is presented. (orig.)
Record Type
Journal Article
Journal
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment; ISSN 0168-9002;
; CODEN NIMAER; v. 332(1-2); p. 33-55

Country of publication
ANALOG SYSTEMS, ANALOG-TO-DIGITAL CONVERTERS, ANODES, CALIBRATION, CATHODES, COLLIDING BEAMS, CONTROL SYSTEMS, DATA ACQUISITION SYSTEMS, DIGITAL SYSTEMS, DRIFT CHAMBERS, EFFECTIVE MASS, ELECTRON DRIFT, FIBER OPTICS, LEP STORAGE RINGS, MASS RESOLUTION, MASS SPECTROSCOPY, MECHANICAL STRUCTURES, MONITORING, MULTIWIRE PROPORTIONAL CHAMBER, ON-LINE CONTROL SYSTEMS, PARTICLE TRACKS, PLASTIC SCINTILLATION DETECTOR, POSITION SENSITIVE DETECTORS, POWER SUPPLIES, PREAMPLIFIERS, READOUT SYSTEMS, SCATTERPLOTS, SPATIAL RESOLUTION, TRIGGER CIRCUITS
AMPLIFIERS, BEAMS, DIAGRAMS, ELECTRODES, ELECTRONIC CIRCUITS, ELECTRONIC EQUIPMENT, EQUIPMENT, INFORMATION, MASS, MEASURING INSTRUMENTS, ON-LINE SYSTEMS, OPTICS, PROPORTIONAL COUNTERS, PULSE CIRCUITS, RADIATION DETECTORS, RESOLUTION, SCINTILLATION COUNTERS, SOLID SCINTILLATION DETECTORS, SPECTROSCOPY, STORAGE RINGS
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