Eur.Phys.J.C Eur.Phys.J.C, 2021, 81, pp.752. ⟨10.1140/epjc/s10052-021-09508-8⟩ The European physical journal / C 81(8), 752 (1-10) (2021). doi:10.1140/epjc/s10052-021-09508-8 European Physical Journal C: Particles and Fields, Vol 81, Iss 8, Pp 1-10 (2021) Eur.Phys.J.C, 2021, 81 (8), pp.752. ⟨10.1140/epjc/s10052-021-09508-8⟩ The European Physical Journal C European Physical Journal European physical journal : C : particles and fields