Observation of Z decays to four leptons with the CMS detector at the LHC (JOURNAL OF HIGH ENERGY PHYSICS, 2012)

(untitled) - Chatrchyan, S; Khachatryan, V; Sirunyan, A; Tumasyan, A; Adam, W; Aguilo, E; Bergauer, T; Dragicevic, M; Eroe, J; Fabjan, C; Friedl, M; Fruehwirth, R; et al.