Elastic amplitudes studied with the LHC measurements at 7 and 8 TeV A. K. Kohara, E. Ferreira, T. Kodama and M. Rangel Eur. Phys. J. C, 77 12 (2017) 877 Published online: 16 December 2017 DOI: 10.1140/epjc/s10052-017-5403-7