G. Aad, B. Abbott, J. Abdallah, O. Abdinov, R. Aben, K. Augsten, D. Caforio, P. Gallus, J. Guenther, J. Jakůbek et al.: A search for t(t)over-bar resonances using lepton-plus-jets events in proton-proton collisions at root s=8 TeV with the ATLAS detector. Journal of High Energy Physics 2015(8), 148 (2015). doi:10.1007/JHEP08(2015)148