G. Antchev, P. Aspell, I. Atanassov, V. Avati, M. Doubek, J. Procházka, V. Vacek et al.: Elastic differential cross-section measurement at root s=13 TeV by TOTEM. The European Physical Journal C 79(10), 861 (2019). doi:10.1140/epjc/s10052-019-7346-7