Identifying top partners at LHC Aguilar Saavedra, Juan Antonio Beyond Standard Model Hadronic Colliders Heavy Quarks Physics We systematically study the possible signals at LHC of new vector-like quarks mainly coupled to the third generation. We consider heavy quarks T, B, X, Y of charges 2/3, -1/3, 5/3 and -4/3, respectively, in SU(2)L isosinglets TL,R, BL,R, or isodoublets TBL,R, XTL,R or BYL,R. Analyses based on a fast detector simulation are presented for twelve different final states containing one, two, three or four charged leptons in several invariant mass regions, also considering various b quark multiplicities. It is shown that with the combination of the different channels the new quarks can be identified and their charged and neutral decays established. The comparison among final states also shows that the single lepton one offers the best discovery potential at LHC. For heavy quark masses of 500 GeV, the 5σ discovery luminosities range from 0.16 fb−1 for a XTL,R doublet to 1.9 fb−1 for a BL,R singlet. 2014-02-27T11:10:37Z 2014-02-27T11:10:37Z 2009 info:eu-repo/semantics/article Aguilar-Saavedra, J.A. Identifying top partners at LHC. Journal of High Energy Physics, 11: 030 (2009). [http://hdl.handle.net/10481/30590] 1126-6708 doi: 10.1088/1126-6708/2009/11/030 arXiv:0907.3155v2 http://hdl.handle.net/10481/30590 eng http://creativecommons.org/licenses/by-nc-nd/3.0/ info:eu-repo/semantics/openAccess Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License IOP Publishing