European Physical Journal C: Particles and Fields European Physical Journal C: Particles and Fields, 2009, 60, pp.359-373. ⟨10.1140/epjc/s10052-009-0959-5⟩ European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2009, 60, pp.359-373. ⟨10.1140/epjc/s10052-009-0959-5⟩ The European Physical Journal C European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2009, 61, pp.353-356. ⟨10.1140/epjc/s10052-009-1024-0⟩ European Physical Journal C Eur.Phys.J.C European Physical Journal C: Particles and Fields, 2009, 61, pp.353-356. ⟨10.1140/epjc/s10052-009-1024-0⟩ European Physical Journal C. Particles and Fields