DOIAbstract
The TOTEM experiment at the LHC has measured proton-proton elastic scattering in dedicated runs at $\sqrt{s}$=7 and 8 TeV centre-of-mass LHC energies. The proton-proton total cross-section $σ_{tot}$ has been derived for both energies using a luminosity independent method. TOTEM has excluded a purely exponential differential cross-section for elastic proton-proton scattering with significance greater than 7σ in the |t| range from 0.027 to 0.2 $GeV^2$ at $\sqrt{s}$ = 8 TeV. The ρ parameter has been measured at $\sqrt{s}$ = 8 TeV via the Coulomb-nuclear interference, and was found to be ρ = 0 . 12 ± 0 . 0
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