LHC physics of extra gauge bosons in the 4D Composite Higgs Model D. Barducci, A. Belyaev, S. De Curtis, S. Moretti and G. M. Pruna EPJ Web of Conferences, 60 (2013) 20049 Published online: 26 November 2013 DOI: 10.1051/epjconf/20136020049