European Physical Journal C: Particles and Fields European Physical Journal C: Particles and Fields, 2013, 73, pp.2456. ⟨10.1140/epjc/s10052-013-2456-0⟩ European physical journal. C, particles and fields, 73(6), 2456/1. Springer New York European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2013, 73, pp.2456. ⟨10.1140/epjc/s10052-013-2456-0⟩ The European Physical Journal. C, Particles and Fields European Physical Journal C. Particles and Fields European Physical Journal C Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) Universidade de São Paulo (USP) instacron:USP