Wire pad chambers and cathode pad chambers for the LHCb muon system

Abstract

A proposal for Wire-Pad-Chambers and Cathode-Pad-Chambers for the LHCb Muon system is presented. It is shown that a single technology satisfies the requirements of almost the entire detector, garanteeing maximum uniformity. The muon system layout based on this technology is shown, and the chamber geometry specifications together with electronics considerations are discussed. An overview of prototype results are presented, followed by considerations on ageing. Finally construction and cost issues are outlined