The LEP detectors

This article describes the four detectors which took data at LEP from 1989 to 2000. After a review of the design requirements and of the various answers, a more detailed description is given of some of the important detector components. Electronics, readout and computing are also described. To cite this article: O. Callot, P. Charpentier, C. R. Physique 3 (2002) 1131–1141.