Implications of perturbative unitarity for scalar di-boson resonance searches at LHC Luca Di Luzio, Jernej F. Kamenik and Marco Nardecchia Eur. Phys. J. C, 77 1 (2017) 30 Published online: 16 January 2017 DOI: 10.1140/epjc/s10052-017-4594-2