Study of leptoquark pair production at the LHC the CMS detector

We study the discovery potential of the CMS detector for the scalar leptoqu ark pair production at the LHC. Present and future exclusion limits are con sidered. We find that the maximal leptoquark mass reach is m similar or equ al to 1.47 TeV for the branching ratio of Br(LQ(t) --> lq) = 100%, while fo r Br(LQ(t) --> lq) = 50% the upper limit is 1.2 TeV for an integrated lumin osity of 100 fb(-1). We obtain comparable results for electron and muon-typ e leptoquarks. The pileup effect at high luminosity is discussed. (C) 1999 Published by Elsevier Science B.V. All rights reserved.