European Physical Journal C: Particles and Fields European Physical Journal C: Particles and Fields, 2007, 50, pp.1-20. ⟨10.1140/epjc/s10052-006-0206-2⟩ European Physical Journal C. Particles and Fields European physical journal : C : particles and fields European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2007, 50, pp.1-20. ⟨10.1140/epjc/s10052-006-0206-2⟩ The European physical journal / C 50, 1-20 (2007). doi:10.1140/epjc/s10052-006-0206-2